CN109142458A - A kind of SAR test tissue simulated solution - Google Patents
A kind of SAR test tissue simulated solution Download PDFInfo
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- CN109142458A CN109142458A CN201810976882.3A CN201810976882A CN109142458A CN 109142458 A CN109142458 A CN 109142458A CN 201810976882 A CN201810976882 A CN 201810976882A CN 109142458 A CN109142458 A CN 109142458A
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- 238000012360 testing method Methods 0.000 title claims abstract description 61
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 31
- 150000003839 salts Chemical class 0.000 claims abstract description 25
- 239000000203 mixture Substances 0.000 claims abstract description 22
- 239000008367 deionised water Substances 0.000 claims abstract description 20
- 229910021641 deionized water Inorganic materials 0.000 claims abstract description 20
- CZMRCDWAGMRECN-UGDNZRGBSA-N Sucrose Chemical compound O[C@H]1[C@H](O)[C@@H](CO)O[C@@]1(CO)O[C@@H]1[C@H](O)[C@@H](O)[C@H](O)[C@@H](CO)O1 CZMRCDWAGMRECN-UGDNZRGBSA-N 0.000 claims abstract description 14
- 229930006000 Sucrose Natural products 0.000 claims abstract description 14
- 239000005720 sucrose Substances 0.000 claims abstract description 14
- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 claims abstract description 11
- 239000001913 cellulose Substances 0.000 claims abstract description 8
- 229920002678 cellulose Polymers 0.000 claims abstract description 8
- 239000003755 preservative agent Substances 0.000 claims abstract description 7
- 230000002335 preservative effect Effects 0.000 claims abstract description 7
- 239000012153 distilled water Substances 0.000 claims description 10
- 238000011017 operating method Methods 0.000 claims description 4
- 238000009940 knitting Methods 0.000 claims 1
- 238000004088 simulation Methods 0.000 abstract description 30
- 238000012423 maintenance Methods 0.000 abstract description 4
- 239000012530 fluid Substances 0.000 abstract description 3
- 238000005259 measurement Methods 0.000 description 13
- 239000000463 material Substances 0.000 description 12
- 239000000523 sample Substances 0.000 description 12
- 238000000034 method Methods 0.000 description 8
- 238000007689 inspection Methods 0.000 description 7
- 230000000052 comparative effect Effects 0.000 description 6
- 238000004090 dissolution Methods 0.000 description 6
- 238000009966 trimming Methods 0.000 description 6
- 238000010200 validation analysis Methods 0.000 description 6
- 238000001514 detection method Methods 0.000 description 3
- 230000036541 health Effects 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 230000005855 radiation Effects 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 230000005672 electromagnetic field Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000010295 mobile communication Methods 0.000 description 2
- 210000000056 organ Anatomy 0.000 description 2
- 241000208340 Araliaceae Species 0.000 description 1
- 241000894006 Bacteria Species 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000004980 dosimetry Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000005670 electromagnetic radiation Effects 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000000813 microbial effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
- G01N27/04—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance
- G01N27/06—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of a liquid
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
- G01N27/22—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating capacitance
- G01N27/221—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating capacitance by investigating the dielectric properties
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
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Abstract
The invention discloses a kind of SAR test tissue simulated solutions comprising following composition: 1) resistance is not less than 16 ohm of deionized water；2) purity is greater than 99% salt, purity is greater than one of 98% sucrose, cellulose, preservative and butyl or a variety of.The present invention solves the problems, such as that the daily maintenance of human body simulation tissue fluid at this stage is frequent, at high cost and every kind of frequency range is narrow.
Description
[technical field]
The invention belongs to human body simulation technical fields, more particularly to a kind of SAR test tissue simulated solution.
[background technique]
It is public when enjoying the various conveniences of wireless telecom equipment bring with information technology and manufacturing development,
Also influence of the electromagnetic radiation of growing interest wireless communication terminal to human health；For mobile phone generate radiation actually to human body
Whether health is harmful, still has two kinds of viewpoints completely contradicted at present, moreover, two kinds of viewpoints all lack clinical medicine card
According to.But industry and government all feel the need to propose the safety limit Instructing manufacture of a SAR, meanwhile, standard formulation
Tissue and government organs are knowing newest scientific discovery persistently also to be determined as protecting whether human health needs to modify
Safety margins requirement.
SAR is the abbreviation of English Specific Absorption Rate, is the how many radio frequency radiation energy of metering
By the expression unit of body institute actual absorption, referred to as special contribution ratios or SAR, with watt/every kilogram (W/kg) or milliwatt/
Every gram (mW/g) indicates.SAR is the measurement of radio frequency radiation S. E. A..Under the action of external electromagnetic field,
Induction field will be generated in human body.Since the various organs of human body are lossy dielectric, internal electromagnetic field will generate electricity
Stream causes to absorb and dissipative electromagnetic energy.SAR is commonly used in biological dosimetry to characterize this physical process.The meaning of SAR is single
The electromagnetic power that the tissue of position quality is absorbed or consumed.
SAR test system is mainly by groups such as human body simulation, electronic measuring instrument, Scan orientation system and equipment under test fixtures
At wherein human body simulation is mainly made of human body simulation tissue fluid.
The formula of used tissue simulation solution is applicable in still in secrecy stage, the simulated solution frequency range refinement of configuration at this stage
Frequency range it is narrow, when use, needs cumbersome replacement, is lost bigger；The shelf-life of simulated solution is short, frequently using a period of time
The dielectric constant of simulated solution and conductivity will change afterwards, cannot correct in time and will affect SAR test.
[summary of the invention]
The main purpose of the present invention is to provide a kind of SAR test tissue simulated solutions, solve human mould at this stage
The problem that the daily maintenance of quasi- tissue fluid is frequent, at high cost and every kind of frequency range is narrow.
The present invention is achieved through the following technical solutions above-mentioned purpose: a kind of SAR test tissue simulated solution comprising
Following composition,
1) resistance is not less than 16 ohm of deionized water；
2) in salt of the purity greater than 99%, sucrose of the purity greater than 98%, cellulose, preservative and butyl
It is one or more.
It further, is low frequency tissue simulated solution, and it includes the sucrose 50-60%, the salt 1.2-
2.5%, the cellulose 0.16-0.25%, the deionized water 38-48% and the preservative 0.06-0.2%.
Further, it after the completion of the low frequency tissue simulated solution configuration, needs to its dielectric constant and conductivity
It is tested, can be used within the scope of allowable error if test result is compared with standard parameter；If not in allowable error range
It is interior, then it can be finely adjusted operation.
Further, the fine tuning operating method is,
1. dielectric constant is low, conductivity is high: then plus conductivity drops in distilled water, increasing dielectric constant；
2. dielectric constant is high, conductivity is high: then plus conductivity drops in sucrose, drop dielectric constant；
3. dielectric constant is high, conductivity is low: then plus salt, drop dielectric constant increase conductivity.
It further, is middle frequency tissue simulated solution, and it includes the deionized water 54-71%, the salt
The 0.3-0.4% and butyl 28-45%.
It further, is high-frequency tissue simulated solution, and it includes deionized water 54-70%, Yi Jisuo
State butyl 30-45%.
Further, the middle frequency tissue simulated solution or high-frequency tissue simulated solution configuration are completed
Afterwards, it needs to test its dielectric constant and conductivity, if test result compares within the scope of allowable error with standard parameter
It can be used；If operation can be finely adjusted not within the scope of allowable error.
Further, the fine tuning operating method is,
1. dielectric constant is low, conductivity is high: then plus conductivity drops in distilled water, increasing dielectric constant；
2. dielectric constant is high, conductivity is high: then plus conductivity drops in DGBE, drop dielectric constant；
3. dielectric constant is high, conductivity is low: then plus salt, drop dielectric constant increase conductivity.
Compared with prior art, a kind of SAR test of the present invention is with the beneficial effect of tissue simulated solution: 1) can be certainly
Row allotment, it is at low cost；2) single solution testing wider range, when test, do not need frequently to replace；3) solution ginseng can be monitored at any time
Number, can deploy in time, will not influence SAR test result, and daily maintenance is convenient.
[specific embodiment]
Embodiment 1:
The present embodiment is SAR test tissue simulated solution, is a kind of microstructure modeling of low frequency human body part
Liquid and including following composition:
1) sucrose, sucrose purity requirement are greater than 98%, are mainly used for reducing relative dielectric constant, weight accounting is
51.17%；
2) purity requirement of salt, salt is greater than 99%, and for increasing conductivity, weight accounting is 2.34%；
3) resistance requirement of deionized water, deionized water is not less than 16 ohm, increases when mainly acting on configuration solution and is situated between
Conductivity drops in electric constant, and weight accounting is 46.21%；
4) cellulose, cellulose are mainly used for increasing viscosity and keep the dissolved state of sucrose, prevent the sugar in solution
Crystallization occurs, and changing so as to cause dielectric constant and conductivity influences to survey SAR test result, and weight accounting is
0.18%；
5) preservative mainly prevents bacterium and microbial growth, influences the dielectric constant and conductivity of simulated solution, weight
Accounting is 0.08%.
Above-mentioned each composition is successively merged according to formula rate, all after completely dissolution to various compositions, uses Materials Measurement
Probe system carry out validation test, obtain test parameter, including dielectric constant and conductivity, then again with contrast standard parameter into
Row compares, if needing to be finely adjusted the simulated solution of configuration not within the scope of allowable error, until surveyed parameter and standard are joined
Number is within error range (± 5%).
When finely tuning solution, method for trimming is as follows:
1. dielectric constant is low, conductivity is high: adding distilled water, increase dielectric constant, drop conductivity；
2. dielectric constant is high, conductivity is high: adding sucrose, drop dielectric constant, drop conductivity；
3. dielectric constant is high, conductivity is low: adding salt, drop dielectric constant, increase conductivity.
The standard figures of the tissue simulation solution parameter of human body part under low frequency are the prior art, can pass through access
Data obtains, and can also be obtained by the provided solution parameter of simulated tissue that third party Beijing laboratory Tai Er SAR is sold.
The tissue simulation solution of the low frequency human body part of the present embodiment configuration is joined by Materials Measurement probe system
Number detection, testing result and standard parameter comparative situation are as shown in table 1.
The parameter detecting result of the tissue simulation solution of the low frequency human body part of 1 embodiment 1 of table
According to table 1 as can be seen that the dielectric constant of the tissue simulation solution of the low frequency human body part of the present embodiment configuration
Within the allowable range with conductivity error.
Embodiment 2:
The present embodiment be SAR test use tissue simulated solution, be a kind of low frequency human body head tissue simulation solution and
Including following composition:
1) sucrose, sucrose purity requirement are greater than 98%, and weight accounting is 57.9%；
2) salt, the purity requirement of salt are greater than 99%, and weight accounting is 1.38%；
3) deionized water, the resistance requirement of deionized water are not less than 16 ohm, and weight accounting is 40.29%；
4) cellulose, weight accounting are 0.24%；
5) preservative, weight accounting are 0.18%.
Above-mentioned each composition is successively merged according to formula rate, all after completely dissolution to various compositions, uses Materials Measurement
Probe system carry out validation test, obtain test parameter, including dielectric constant and conductivity, then again with contrast standard parameter into
Row compares, if needing to be finely adjusted the simulated solution of configuration not within the scope of allowable error, until surveyed parameter and standard are joined
Number is within error range (± 5%).
When finely tuning solution, method for trimming is as follows:
1. dielectric constant is low, conductivity is high: adding distilled water, increase dielectric constant, drop conductivity；
2. dielectric constant is high, conductivity is high: adding sucrose, drop dielectric constant, drop conductivity；
3. dielectric constant is high, conductivity is low: adding salt, drop dielectric constant, increase conductivity.
The standard figures of the tissue simulation solution parameter of human body head under low frequency are the prior art, can pass through inspection information
It obtains, can also be obtained by the provided solution parameter of simulated tissue that third party Beijing laboratory Tai Er SAR is sold.
The tissue simulation solution of the low frequency human body head of the present embodiment configuration carries out parameter inspection by Materials Measurement probe system
It surveys, testing result and standard parameter comparative situation are as shown in table 2.
The parameter detecting result of the tissue simulation solution of the low frequency human body head of 2 embodiment 2 of table
According to table 2 as can be seen that the dielectric constant and electricity of the tissue simulation solution of the low frequency human body head of the present embodiment configuration
Conductance error is within the allowable range.
Embodiment 3:
The present embodiment is SAR test tissue simulated solution, is a kind of microstructure modeling of intermediate frequency human body part
Liquid and including following composition:
1) deionized water, the resistance requirement of deionized water are not less than 16 ohm, and weight accounting is 70.17%；
2) butyl (DGBE) is mainly used for reducing relative dielectric constant, and weight accounting is 29.44%；
3) salt, the purity requirement of salt are greater than 99%, and weight accounting is 0.39%.
Above-mentioned each composition is successively merged according to formula rate, all after completely dissolution to various compositions, uses Materials Measurement
Probe system carry out validation test, obtain test parameter, including dielectric constant and conductivity, then again with contrast standard parameter into
Row compares, if needing to be finely adjusted the simulated solution of configuration not within the scope of allowable error, until surveyed parameter and standard are joined
Number is within error range (± 5%).
When finely tuning solution, method for trimming is as follows:
1. dielectric constant is low, conductivity is high: adding distilled water, increase dielectric constant, drop conductivity；
2. dielectric constant is high, conductivity is high: adding DGBE, drop dielectric constant, drop conductivity；
3. dielectric constant is high, conductivity is low: adding salt, drop dielectric constant, increase conductivity.
The standard figures of the tissue simulation solution parameter of human body part under intermediate frequency are the prior art, can pass through access
Data obtains, and can also be obtained by the provided solution parameter of simulated tissue that third party Beijing laboratory Tai Er SAR is sold.
The tissue simulation solution of the intermediate frequency human body part of the present embodiment configuration is joined by Materials Measurement probe system
Number detection, testing result and standard parameter comparative situation are as shown in table 3.
The parameter detecting result of the tissue simulation solution of the intermediate frequency human body part of 3 embodiment 3 of table
Embodiment 4:
The present embodiment be SAR test use tissue simulated solution, be a kind of intermediate frequency human body head tissue simulation solution and
Including following composition:
1) deionized water, the resistance requirement of deionized water are not less than 16 ohm, and weight accounting is 55.24%；
2) butyl (DGBE) is mainly used for reducing relative dielectric constant, and weight accounting is 44.45%；
3) salt, the purity requirement of salt are greater than 99%, and weight accounting is 0.31%.
Above-mentioned each composition is successively merged according to formula rate, all after completely dissolution to various compositions, uses Materials Measurement
Probe system carry out validation test, obtain test parameter, including dielectric constant and conductivity, then again with contrast standard parameter into
Row compares, if needing to be finely adjusted the simulated solution of configuration not within the scope of allowable error, until surveyed parameter and standard are joined
Number is within error range (± 5%).
When finely tuning solution, method for trimming is as follows:
1. dielectric constant is low, conductivity is high: adding distilled water, increase dielectric constant, drop conductivity；
2. dielectric constant is high, conductivity is high: adding DGBE, drop dielectric constant, drop conductivity；
3. dielectric constant is high, conductivity is low: adding salt, drop dielectric constant, increase conductivity.
The standard figures of the tissue simulation solution parameter of human body head under intermediate frequency are the prior art, can pass through inspection information
It obtains, can also be obtained by the provided solution parameter of simulated tissue that third party Beijing laboratory Tai Er SAR is sold.
The tissue simulation solution of the intermediate frequency human body head of the present embodiment configuration carries out parameter inspection by Materials Measurement probe system
It surveys, testing result and standard parameter comparative situation are as shown in table 4.
The parameter detecting result of the tissue simulation solution of the intermediate frequency human body head of 4 embodiment 4 of table
Embodiment 5:
The present embodiment is SAR test tissue simulated solution, is a kind of microstructure modeling of high frequency human body part
Liquid and including following composition:
1) deionized water, the resistance requirement of deionized water are not less than 16 ohm, and weight accounting is 68.64%；
2) butyl (DGBE) is mainly used for reducing relative dielectric constant, and weight accounting is 31.37%.
Above-mentioned each composition is successively merged according to formula rate, all after completely dissolution to various compositions, uses Materials Measurement
Probe system carry out validation test, obtain test parameter, including dielectric constant and conductivity, then again with contrast standard parameter into
Row compares, if needing to be finely adjusted the simulated solution of configuration not within the scope of allowable error, until surveyed parameter and standard are joined
Number is within error range (± 5%).
When finely tuning solution, method for trimming is as follows:
1. dielectric constant is low, conductivity is high: adding distilled water, increase dielectric constant, drop conductivity；
2. dielectric constant is high, conductivity is high: adding DGBE, drop dielectric constant, drop conductivity；
3. dielectric constant is high, conductivity is low: adding salt, drop dielectric constant, increase conductivity.
The standard figures of the tissue simulation solution parameter of high frequency human body part are the prior art, can pass through inspection information
It obtains, can also be obtained by the provided solution parameter of simulated tissue that third party Beijing laboratory Tai Er SAR is sold.
The tissue simulation solution of the high frequency human body part of the present embodiment configuration is joined by Materials Measurement probe system
Number detection, testing result and standard parameter comparative situation are as shown in table 5.
The parameter detecting result of the tissue simulation solution of the high frequency human body part of 5 embodiment 5 of table
Embodiment 6:
The present embodiment be SAR test use tissue simulated solution, be a kind of high frequency human body head tissue simulation solution and
Including following composition:
1) deionized water, the resistance requirement of deionized water are not less than 16 ohm, and weight accounting is 55%；
2) butyl (DGBE) is mainly used for reducing relative dielectric constant, and weight accounting is 45%.
Above-mentioned each composition is successively merged according to formula rate, all after completely dissolution to various compositions, uses Materials Measurement
Probe system carry out validation test, obtain test parameter, including dielectric constant and conductivity, then again with contrast standard parameter into
Row compares, if needing to be finely adjusted the simulated solution of configuration not within the scope of allowable error, until surveyed parameter and standard are joined
Number is within error range (± 5%).
When finely tuning solution, method for trimming is as follows:
1. dielectric constant is low, conductivity is high: adding distilled water, increase dielectric constant, drop conductivity；
2. dielectric constant is high, conductivity is high: adding DGBE, drop dielectric constant, drop conductivity；
3. dielectric constant is high, conductivity is low: adding salt, drop dielectric constant, increase conductivity.
The standard figures of the tissue simulation solution parameter of high frequency human body head are the prior art, can be obtained by inspection information
, it can also be obtained by the provided solution parameter of simulated tissue that third party Beijing laboratory Tai Er SAR is sold.
The tissue simulation solution of the high frequency human body head of the present embodiment configuration carries out parameter inspection by Materials Measurement probe system
It surveys, testing result and standard parameter comparative situation are as shown in table 6.
The parameter detecting result of the tissue simulation solution of the high frequency human body head of 6 embodiment 6 of table
As shown in table 7, table 7 is the SAR test result of multiple mobile communication equipments, the tissue simulated solution of test
The simulated solution that the position present invention is configured, wherein correlation data is surveyed from third party laboratory (the great Co., Ltd that makes the science and technology prosperous in Kunshan)
Examination provides.Tissue simulation solution of the invention was completed in configuration in 18 days 06 month in 2018, and had carried out the long-term of one and a half months to it
Tracking and testing, SAR test error range is within ± 0.3 as the result is shown.
Table 7 carries out SAR test result to mobile communication equipment using tissue simulated solution of the invention
The SAR test that the present invention configures is with the beneficial effect of tissue simulated solution: 1) can voluntarily be deployed, cost
It is low；2) single solution testing wider range, when test, do not need frequently to replace；3) solution parameter can be monitored at any time, can be adjusted in time
Match, will not influence SAR test result, daily maintenance is convenient.
Above-described is only some embodiments of the present invention.For those of ordinary skill in the art, not
Under the premise of being detached from the invention design, various modifications and improvements can be made, these belong to protection model of the invention
It encloses.
Claims (8)
1. a kind of SAR test tissue simulated solution, it is characterised in that: it includes following composition,
1) resistance is not less than 16 ohm of deionized water；
2) one in salt of the purity greater than 99%, sucrose of the purity greater than 98%, cellulose, preservative and butyl
Kind is a variety of.
2. SAR test tissue simulated solution as described in claim 1, it is characterised in that: it is low frequency tissue
Simulated solution, and it include the sucrose 50-60%, the salt 1.2-2.5%, the cellulose 0.16-0.25%, it is described go from
The sub- water 38-48% and preservative 0.06-0.2%.
3. SAR test tissue simulated solution as claimed in claim 2, it is characterised in that: the low frequency tissue
It after the completion of simulated solution configuration, needs to test its dielectric constant and conductivity, if test result is compared with standard parameter
It can be used within the scope of allowable error；If operation can be finely adjusted not within the scope of allowable error.
4. SAR as claimed in claim 3 test tissue simulated solution, it is characterised in that: the fine tuning operating method is,
1. dielectric constant is low, conductivity is high: then plus conductivity drops in distilled water, increasing dielectric constant；
2. dielectric constant is high, conductivity is high: then plus conductivity drops in sucrose, drop dielectric constant；
3. dielectric constant is high, conductivity is low: then plus salt, drop dielectric constant increase conductivity.
5. SAR test tissue simulated solution as described in claim 1, it is characterised in that: it is middle frequency tissue
Simulated solution, and it includes the deionized water 54-71%, the salt 0.3-0.4% and the butyl 28-
45%.
6. SAR test tissue simulated solution as described in claim 1, it is characterised in that: it is high-frequency tissue
Simulated solution, and it includes the deionized water 54-70% and butyl 30-45%.
7. such as SAR described in claim 5 or 6 test tissue simulated solution, it is characterised in that: the middle frequency human body group
After the completion of knitting simulated solution or high-frequency tissue simulated solution configuration, need to survey its dielectric constant and conductivity
Examination can be used within the scope of allowable error if test result is compared with standard parameter；If, can not within the scope of allowable error
It is finely adjusted operation.
8. SAR as claimed in claim 7 test tissue simulated solution, it is characterised in that: the fine tuning operating method is,
1. dielectric constant is low, conductivity is high: then plus conductivity drops in distilled water, increasing dielectric constant；
2. dielectric constant is high, conductivity is high: then plus conductivity drops in DGBE, drop dielectric constant；
3. dielectric constant is high, conductivity is low: then plus salt, drop dielectric constant increase conductivity.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112230061A (en) * | 2020-07-16 | 2021-01-15 | 深圳市计量质量检测研究院 | SAR tissue fluid modulation system and modulation method |
| CN114113803A (en) * | 2020-08-25 | 2022-03-01 | 上海同耀通信技术有限公司 | Simulated fluid of human tissue fluid, preparation method and application thereof |
| CN114609447A (en) * | 2022-02-25 | 2022-06-10 | 昆山睿翔讯通通信技术有限公司 | Human body simulated tissue fluid based on SAR and preparation method thereof |
| CN115876558A (en) * | 2022-12-14 | 2023-03-31 | 深圳天祥质量技术服务有限公司 | A kind of SAR test simulates human tissue fluid and preparation method thereof |
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