sensitivity of a test 中文意思是什麼

sensitivity of a test 解釋
試驗的敏感性
  • sensitivity : n. 1. 敏感(性);感受性。2. (儀器等的)靈敏性。3. 【攝影】感光度。
  • of : OF =Old French 古法語。
  • a : an 用在以母音音素開始的詞前〉 indefinite art 1 〈普通可數名詞第一次提到時,冠以不定冠詞主要表示類...
  • test : n 1 檢驗,檢查;考查;測驗;考試;考驗。2 檢驗用品;試金石;【化學】試藥;(判斷的)標準。3 【化...
  1. The bleaching experiment of loess by iodine tungsten lamp and the equivalent dose ( de ) of loess estimated by sar from the earth ' s surface indicate that loess can be easily bleached by sunlight, and osl is suitable for the dating of loess. 2. equivalent dose estimated by sar, when each natural or regenerated dose osl measurement is corrected for changes in sensitivity using the osl response to a subsequent test dose and the recycling ratio is around 1, implies that sensitivity changes have been properly corrected

    用單片再生劑量法( sar )測定黃土樣品的d _ e值時,用固定的實驗劑量釋光信號校正後,再循環比( recyclingratio )都在1左右,說明對釋光靈敏度的變化起到了很好地校正作用;校正後, ogy再生劑量釋光信號與自然信號的比率都在5以下,信號的回復可以忽略不計。
  2. Colibacollosis serotype k. 99 positive sera in ducks and duck plague positive sera were tested, whereas, the results of detection to r. a. sera were positive. the sensitivity of indirect elisa were 50 to 100 times ( serotype 1 ), ( 2 ) 25 to 100 times ( serotype 2 ), ( 3 ) 12 to 100 times ( serotype 4 ) and 25 to 200 times ( serotype 5 ) th an micro - agglutination test

    包被鴨疫里默氏桿菌抗原時,對鴨抗5 : a多殺性巴氏桿菌陽性血清、鴨抗型鴨病毒性肝炎陽性血清、鴨抗鴨源大腸桿菌k _ ( 88 )陽性血清、鴨抗鴨源腸炎沙門氏菌陽性血清、鴨抗鴨源大腸桿菌k _ ( 99 )陽性血清、鴨抗鴨瘟陽性血清檢測結果呈陰性。
  3. As a seal test, sensitivity of helium leak test is higher than other test methods as gas seal and nh3 leak test

    摘要氦?漏試驗作為一種緻密性試驗,它的檢漏靈敏度遠遠超過了氣密性試驗和氨滲漏等試驗方法。
  4. The research of macro friction phenomena is a synthetically analytical method based on test. however, in micro world, the friction force and vertical press are all minute, which brings difficulties to test. when high measure precision is required, the resolution and sensitivity will be higher and not easy to obtain

    宏觀摩擦現象的研究一直是採用以試驗為基礎的綜合分析方法,對于微摩擦研究,由於微機電系統結構體積比較小,且所測摩擦力和正壓力亦為微小量,這就給微摩擦測試裝置的實現帶來了很大的困難。
  5. Assisted with the sensitivity of the linear analog circuits, the feasibility of parametric faults detection was analyzed through the maximum fault errors acquired at the sensitive frequencies, a stimulation matrix and its stimulation expression were put forward on the test points information

    摘要從線性模擬電路靈敏度的概念入手,分析了通過獲取敏感頻點激勵下的最大故障誤差來檢測電路參數故障的可能性,提出了一種針對測試頻率和測點信息的激勵矩陣。
  6. Randomly selected subgroups of children from each city, totalling 3483, underwent a skin prick test for sensitivity to eight common aeroallergens, such as pollen and dust

    這項研究從每個城市隨機抽選了共3 , 483名兒童,進行八個常見致敏源的皮膚測試,例如花粉及塵埃。
  7. Abstract : a principle of linear ccd prism spectrometer system used to measure colors is presented. the spectrum sensitivity of the system is measured and its test and verify is finished in experiment. the reasons for error of the system is analyzed and improved method is obtained

    文摘:介紹了用於顏色測量的線陣ccd棱鏡光譜儀系統的工作原理,測出了系統的光譜靈敏度並作了實驗驗證,對系統的誤差原因及改進措施進行了分析。
  8. The load capacity and damage degree of bridge are detected by the curve of the transformation of vibration frequency in different attached load and different damage. a conclusion that the attached load method improves the of vibration frequency sensitivity to the physical property parameters of bridge structure is drawn at last. and the same time the paper bring forward a new and convenient technique of dynamic load test - - the attached load method

    通過振動頻率在不同的附加荷載作用下、不同破損情況下的變化曲線來確定橋梁的承載能力以及破損程度,得出了附加荷載法改變了振動頻率對橋梁結構物理參數的弱靈敏性這一結論,提出了一種更為新穎、快捷的橋梁承載能力的動荷載檢測方法? ?附加荷載法。
  9. This thesis discussed approaches of fault diagnosis based on the sensitivity analysis which is a new test method of analog circuits. main objects are described as follows : first, there exists a problem which the existence of solutions can not intuitively be predicted by choosing test frequency in the first - order sensitivity method on fault diagnosis

    在此理論基礎上,本文從以下兩個方面進行嘗試:首先,一階靈敏度故障診斷方法存在這樣一個問題,即測試頻率的選擇不能直觀地對故障診斷方程解的存在性進行預分析。
  10. The development status and trend of gasoline engine oil at home and abroad are described in this paper. the tribology and lubrication characteristic and lubrication mechanism of the main tribo - pairs of gasoline engine are analyzed simply. in this paper base oil and some additives are chosen reasonably according to the lubricantions principal and a lot of data. the uniform design of experiment is used to arrange multi - level and multi - factor experiments. the stepwise technique is adopted to analyze the result. the sensitivity and compatibility among additives and the base oil are studied by a series of tests. on the basis of analyzing the low temperature capability the optimum of 15w / 40 sh gasoline engine oil is presented. at last, the property of this formulation is evaluated by comparing with the imports. the test result shows that their qualities are equivalent

    本文介紹了國內外汽油機油的發展現狀以及發展趨勢,通過分析汽油機主要摩擦副的摩擦磨損特性和潤滑狀態以及汽油機對潤滑油的性能要求,在潤滑理論的指導下和參閱大量資料的基礎上,合理地選擇基礎油和添加劑。本文用均勻實驗設計安排實驗,用逐步回歸技術進行結果處理,分析了基礎油對添加劑的感受性和添加劑之間的配伍性。在重點考察汽油機油低溫性能的基礎上,提出了15w 40sh級汽油機油的優化配方。
  11. Material notch sensitivity test is a method which is used for certain material to measure and estimate the capability of resisting cr ack growth on the occasion of existing load stress and notch

    材料缺口敏感性試驗是測定或評價某一材料在靜載荷的應力條件下和有缺口的情況下,抵抗裂縫擴展能力的一種方法。
  12. The test results show that both the permeability of sandstone and that of granite with a single fracture decrease with increasing effective stress, following the law of exponential decay. the permeability sensitivity of granite to effective stress is more stronger than that of sandstone, but the permeability recovery capability of sandstone is more stronger than that of granite

    試驗結果表明,在圍壓升降過程中,砂巖和單裂隙花崗巖的滲透率均隨有效應西南交通大學博士研究生學位論文第日頁力的增加呈負指數規律減小,但單裂隙試件的滲透率對有效應力的敏感程度遠大於砂巖,而砂巖滲透率的恢復程度則遠大於單裂隙試件。
  13. For instance, artificial neural network uses sensitivity analysis to choose input variables, for it has n ' t a much effective method as the granger causality test in econometrics. another example is that it has n ' t an accepted standard on the distribution of samples

    如,它在輸入變量的選取上,是通過敏感性分析進行逐個試驗來篩選的,而沒有和像時間序列理論的那樣較完善的檢驗方法;在確定樣本分配上也沒有系統而權威的標準。
分享友人