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Abstract. A method is described for measuring the force and the rate at which it is applied to fruits and vegetables by the consumer's hands in judging firmness. Halves of the product were mounted on a force transducer, squeezed and the forces recorded. Preliminary results from an untrained panel indicated that the rates and maximum forces used by males and females are different and depend on the firmness of the product. The data also suggest that the rate of force application in sensory testing is significantly greater than that customarily used in instrumental tests. Limitations of the technique and its potential usefulness in establishing more rational conditions for objective firmness tests are discussed. 相似文献
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NEED-FULFILLMENT THEORIES OF JOB SATISFACTION ASSUME THAT INDIVIDUALS DIFFER IN THE OUTCOMES THEY PREFER (NEED) TO OBTAIN FROM JOBS, AND THAT THE RELATIONSHIP BETWEEN THE OUTCOMES RECEIVED ON THE JOB AND SATISFACTION IS DEPENDENT UPON THESE PREFERENCES. IT WAS HYPOTHESIZED THAT THE PATTERN OF PREFERENCES FOR JOB OUTCOMES MODERATES THE RELATIONSHIP BETWEEN PREFERENCE FOR AND SATISFACTION WITH AN OUTCOME. QUESTIONNAIRES WERE EMPLOYED TO ASSESS PREFERENCE AND SATISFACTION ON 30 DIFFERENT JOB OUTCOMES WITH 113 INDUSTRIAL RESEARCH SCIENTISTS WORKING IN 1 FACILITY. PREFERENCE (NEED) RATINGS WERE SUBJECTED TO Q CLUSTER ANALYSIS. 2 "NEED" TYPES WERE IDENTIFIED. NEED TYPE MODERATED THE RELATIONSHIP BETWEEN PREFERENCE FOR AND SATISFACTION WITH THAT OUTCOME ONLY ON THOSE OUTCOMES MOST CLOSELY RELATED TO THE COMPANY ITSELF. IT IS PROPOSED THAT THESE 2 NEED TYPES REFLECT THE 2 TYPES OF RESEARCH AND DEVELOPMENT PERSONNEL THAT DIFFER PRIMARILY IN ORIENTATION TOWARD THE COMPANY ITSELF. (PsycINFO Database Record (c) 2010 APA, all rights reserved) 相似文献
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Total dietary fiber (TDF) was measured in 16 foods by three methods: a rapid enzyme-NDF (neutral detergent fiber) procedure supplemented with a separate procedure for soluble (SOL) fiber, the AOAC TDF method and the comprehensive Englyst's procedure. The NDF+SOL method needed less operator time than the AOAC method and its TDF values were in agreement with the AOAC method (y = 0.98 -0.39; r = 0.997) and with the Englyst's method (y = 1.17 -0.19; r = 0.996). The constituent sugars of polysaccharides in NDF+SOL residues were similar to those by the Englyst's method, indicating an adequate estimation of dietary fiber in foods and food products. 相似文献