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Technical Note: Beyond Allometry 技术说明:超越异速测量
The Journal of microwave power Pub Date : 1984-01-01 DOI: 10.1080/16070658.1984.11689361
E. Adair, C. Wenger, D. Spiers
{"title":"Technical Note: Beyond Allometry","authors":"E. Adair, C. Wenger, D. Spiers","doi":"10.1080/16070658.1984.11689361","DOIUrl":"https://doi.org/10.1080/16070658.1984.11689361","url":null,"abstract":"","PeriodicalId":76653,"journal":{"name":"The Journal of microwave power","volume":"38 1","pages":"145-148"},"PeriodicalIF":0.0,"publicationDate":"1984-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"90789887","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 4
Effects of a Polyvinylidene Chloride Wrap on the Quality of Microwave Cooked Foods 聚偏二氯乙烯保鲜膜对微波熟食品质的影响
The Journal of microwave power Pub Date : 1984-01-01 DOI: 10.1080/16070658.1984.11689347
C. A. Sawyer, S. D. Biglari
{"title":"Effects of a Polyvinylidene Chloride Wrap on the Quality of Microwave Cooked Foods","authors":"C. A. Sawyer, S. D. Biglari","doi":"10.1080/16070658.1984.11689347","DOIUrl":"https://doi.org/10.1080/16070658.1984.11689347","url":null,"abstract":"AbstractThe purpose of this study was to determine the combined effect of wrapping in polyvinylidene chloride film (a plastic wrap) and microwave cooking on quality of frozen single portions of food at point of service. Quality of food at point of service was defined to include: temperature, weight loss, ascorbic acid retention, sensory quality, color, and moisture. Servings of broccoli, chicken, harn, and pork were wrapped or not wrapped and cooked to appropriate temperatures in one of three randomly chosen microwave ovens. Although wrapping products did not affect the measurable internal end temperature of products weighing 100 ± 20 g, effect of wrapping on remaining qualities was viewed as both product and quality specific. Cooked coated with a seasoning mix developed for use in microwave ovens, wrapped chicken drumsticks were light in color and were preferred by sen-son panelists for aroma, flavor, moistness, texture, and overall acceptability when compared with unwrapped product. Unwrapped broccoli a...","PeriodicalId":76653,"journal":{"name":"The Journal of microwave power","volume":"66 1","pages":"25-33"},"PeriodicalIF":0.0,"publicationDate":"1984-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"89210483","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Dielectric properties of selected vegetables and fruits 0.1-10.0 GHz 所选蔬菜和水果的介电特性0.1-10.0 GHz
The Journal of microwave power Pub Date : 1984-01-01 DOI: 10.1080/16070658.1984.11689372
V. N. Tran, S. Stuchly, A. Kraszewski
{"title":"Dielectric properties of selected vegetables and fruits 0.1-10.0 GHz","authors":"V. N. Tran, S. Stuchly, A. Kraszewski","doi":"10.1080/16070658.1984.11689372","DOIUrl":"https://doi.org/10.1080/16070658.1984.11689372","url":null,"abstract":"AbstractDielectric properties of raw, unprocessed potatoes, carrots, apples, peaches and pears were measured at room temperature in the frequency range from 100 to 10000 MHz. Experimental methods and the sample holder are briefly described. The results for the dielectric constant and the loss factor are presented as a function of frequency. The results are in good agreement with theoretical data obtained from Maxwell’s mixture theory.","PeriodicalId":76653,"journal":{"name":"The Journal of microwave power","volume":"101 1","pages":"251-258"},"PeriodicalIF":0.0,"publicationDate":"1984-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"78095425","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 51
A chemical-physical model for describing microwave paper drying 描述微波纸张干燥的化学-物理模型
The Journal of microwave power Pub Date : 1984-01-01 DOI: 10.1080/16070658.1984.11689371
G. Roussy, J. Thiebaut, Martine Charreyre-Neel
{"title":"A chemical-physical model for describing microwave paper drying","authors":"G. Roussy, J. Thiebaut, Martine Charreyre-Neel","doi":"10.1080/16070658.1984.11689371","DOIUrl":"https://doi.org/10.1080/16070658.1984.11689371","url":null,"abstract":"AbstractThe authors have studied the drying of cellulose particles under microwave irradiation. They consider the drying rate, temperature and complex permittivity of cellulose under various experimental conditions. A simple model is proposed, based on a first order kinetics law, the rate constant of which depends linearly on the square of the applied electric field. They suggest that water is directly removed from the surface of cellulose by an electromagnetic field independently of the temperature.","PeriodicalId":76653,"journal":{"name":"The Journal of microwave power","volume":"163 1","pages":"243-250"},"PeriodicalIF":0.0,"publicationDate":"1984-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"78834505","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 3
Sensory Properties of Dextrose- and Sucrose-Cured Bacon: Microwave and Conventionally Cooked1 葡萄糖和蔗糖熏肉的感官特性:微波和常规烹饪1
The Journal of microwave power Pub Date : 1984-01-01 DOI: 10.1080/16070658.1984.11689367
J. Suzuki, R. E. Baldwin, B. Korschgen
{"title":"Sensory Properties of Dextrose- and Sucrose-Cured Bacon: Microwave and Conventionally Cooked1","authors":"J. Suzuki, R. E. Baldwin, B. Korschgen","doi":"10.1080/16070658.1984.11689367","DOIUrl":"https://doi.org/10.1080/16070658.1984.11689367","url":null,"abstract":"AbstractSensory evaluation was conducted on bacon (cured with a mix containing 0.59% dextrose and with 0.5% sucrose) cooked by microwave and conventional (204 ± 2°C) ovens. No significant differences were found in saltiness, intensity of bacon flavor or sweetness due to sugar treatments or cooking methods. Bacon which, by visual appraisal, was similar in degree of doncness. was more crisp and more intense in color when cooked by microwaves rather than a conventional oven. Color was more intense in dextrose- than in sucrose-cured bacon regardless of the method of cooking.","PeriodicalId":76653,"journal":{"name":"The Journal of microwave power","volume":"219 1","pages":"195-197"},"PeriodicalIF":0.0,"publicationDate":"1984-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"82068882","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Calorimetric microwave loss measurements of granular materials 粒状材料的量热微波损耗测量
The Journal of microwave power Pub Date : 1984-01-01 DOI: 10.1080/16070658.1984.11689365
G. Roussy, J. Thiebaut
{"title":"Calorimetric microwave loss measurements of granular materials","authors":"G. Roussy, J. Thiebaut","doi":"10.1080/16070658.1984.11689365","DOIUrl":"https://doi.org/10.1080/16070658.1984.11689365","url":null,"abstract":"AbstractDirect calorimetric evaluation of the microwave loss of dielectrics is possible for granular materials. A cylindrical sample is heated by the microwave field of an incident wave in a rectangular guide and simultaneously cooled by a gas flowing through the bed.A mathematical model describing the energy balance and the heat transfer between the microwaves, the materials and the gas is proposed. It is shown that it is possible to determine, simultaneously, the temperature of the material and its microwave dielectric loss from the measurement of the exhaust gas temperature when thermal equilibrium occurs.","PeriodicalId":76653,"journal":{"name":"The Journal of microwave power","volume":"51 1","pages":"181-186"},"PeriodicalIF":0.0,"publicationDate":"1984-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"75765241","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Computer-Based Permittivity Measurements and Analyses of Microwave Power Absorption Instabilities 基于计算机的介电常数测量与微波功率吸收不稳定性分析
The Journal of microwave power Pub Date : 1984-01-01 DOI: 10.1080/16070658.1984.11689359
R. Chahine, T. Bose, C. Akyel, R. Bosisio
{"title":"Computer-Based Permittivity Measurements and Analyses of Microwave Power Absorption Instabilities","authors":"R. Chahine, T. Bose, C. Akyel, R. Bosisio","doi":"10.1080/16070658.1984.11689359","DOIUrl":"https://doi.org/10.1080/16070658.1984.11689359","url":null,"abstract":"AbstractSample volumes of a pure Debye dielectric (ethanol) inside a resonant cavity were heated by microwave power (MWP) while measuring at the same time the average dielectric constant, e’a, and dielectric losses, e”a, by an active frequency technique (AFT). Similar liquid samples of ethanol were also measured for e’ and e” by time-domain reflectometry techniques (TDR); in this second case the sample temperature was increased by means of a hot water bath, in the case of the AFT experiments, cavity resonance instabilities were observed at a given MWP level. These instabilities are attributed to the generation of thermal avalanches in the test sample. Differences in the measured permittivities by the two methods (TDR and AFT) are attributed to the presence of thermal avalanches and the use of a larger pipette (25 µl; Φ = 0.6 mm) than normally required (5 µl; Φ = 0.3 mm) for precision cavity perturbation measurements.","PeriodicalId":76653,"journal":{"name":"The Journal of microwave power","volume":"23 1","pages":"127-134"},"PeriodicalIF":0.0,"publicationDate":"1984-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"86935740","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 7
Broadband Measurement of Stripline Moisture Sensors 带状线湿度传感器的宽带测量
The Journal of microwave power Pub Date : 1984-01-01 DOI: 10.1080/16070658.1984.11689364
M. Kent, J. Kühler
{"title":"Broadband Measurement of Stripline Moisture Sensors","authors":"M. Kent, J. Kühler","doi":"10.1080/16070658.1984.11689364","DOIUrl":"https://doi.org/10.1080/16070658.1984.11689364","url":null,"abstract":"AbstractThe sensitivity of a stripline moisture sensor has been investigated as a function of frequency in the range 2—14 GHz. The effects of dielectric layers on top of the strip have also been studied. It is concluded that, at X-band, the sensor is not at its maximum sensitivity and may be further optimised by a reduction in measurement frequency.","PeriodicalId":76653,"journal":{"name":"The Journal of microwave power","volume":"18 1","pages":"173-179"},"PeriodicalIF":0.0,"publicationDate":"1984-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1080/16070658.1984.11689364","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"72518005","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 9
Inexpensive Microwave Oven Survey Instruments: An Evaluation 廉价微波炉测量仪器:评价
The Journal of microwave power Pub Date : 1984-01-01 DOI: 10.1080/16070658.1984.11689358
Jr. Donald M. Witters, W. Herman
{"title":"Inexpensive Microwave Oven Survey Instruments: An Evaluation","authors":"Jr. Donald M. Witters, W. Herman","doi":"10.1080/16070658.1984.11689358","DOIUrl":"https://doi.org/10.1080/16070658.1984.11689358","url":null,"abstract":"Instruments were tested. Depending upon the oven modulation and leak location these tests show that the Micromate will yield a warning reading at levels from 0.6 to 1.9 mW/cm/sup 2/, when the effects of modulation sensitivity and polarization ellipticity are considered. It is to be expected, then, that this instrument will yield warning readings even when the oven emission being measured lies well within applicable standards. Its apparent susceptibility to overload damage, however, could decrease its sensitivity with no clue to the user as to what had happened. Given the same considerations and parameters, the tests show that the Guard-Rod will yield a warning reading at levels from 3.7 to 47 mW/cm/sup 2/, depending on which measurement surface is used. This instrument will sometimes yield warnings for oven emissions lying within applicable standards, and sometimes will fail to yield such warnings for emissions 10 times greater than allowable levels. The same considerations show that the Interceptor/Microscan units will light up at levels from as low as 0.7 to 0.8 mW/cm/sup 2/ or may require levels of 7 to 9 mW/cm/sup 2/. At levels of 28 to 52 mW/cm/sup 2/ or higher, however, the warning LED does not light. If partmore » of the field is cross-polarized, this threshold of extinction may be greater. In any case, there is no apparent way for the user to discern the presence of some potentially hazardous fields, and no way to distinguish such fields from a very low-level field. In summary, instruments of the Interceptor/Microscan design may light up at very low power densities, but fail to light at very high power densities. Clearly, this characteristic is extremely undesirable and potentially dangerous to a user relying on such a device.All of these values assume that the instruments are used in accordance with manufacturer's instructions. Otherwise, results may be worse. Moreover, the range of values given take little or no account of unit-to-unit variation, which may be considerable.« less","PeriodicalId":76653,"journal":{"name":"The Journal of microwave power","volume":"19 1","pages":"119-126"},"PeriodicalIF":0.0,"publicationDate":"1984-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"74736272","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
An Inexpensive Leakage Monitor 廉价的泄漏监测仪
The Journal of microwave power Pub Date : 1984-01-01 DOI: 10.1080/16070658.1984.11689353
E. Aslan
{"title":"An Inexpensive Leakage Monitor","authors":"E. Aslan","doi":"10.1080/16070658.1984.11689353","DOIUrl":"https://doi.org/10.1080/16070658.1984.11689353","url":null,"abstract":"AbstractAn inexpensive leakage monitor operating at 2450 MHz provides detected square-law signals sufficient to drive an indicating meter, through high resistance transmission line, without the assistance of an amplifier. The probe is also independent of linear polarization.","PeriodicalId":76653,"journal":{"name":"The Journal of microwave power","volume":"111 1","pages":"77-82"},"PeriodicalIF":0.0,"publicationDate":"1984-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"86237460","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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