detection limits 中文意思是什麼
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It is difficult to define the detection limits obtained by chelation-solvent extraction.
確定螯合--溶劑萃取法所得到的檢測限頗為困難。 -
The glyoxylate bypass enzymes are at or below the limits of detection, even after a single day of germination.
甚至在萌發一天之後，乙醛酸支路的酶的活性是處于或低於檢測極限的。 -
Ultrapur is the guaranteed ultra - pure class reagent that meets the need for superior trace analysis to ppb, ppt detection limits and beyond
Kanto taiwan corp . utrapur為超高純度級之試劑，適用於超微量之分析，可達到或超越ppb ppt級之偵測極限。 -
Furthermore, the growth and the study of self - organized quantum dots structures become more and more important recently, and the application of self - organization technique become wider and wider in this thesis, we address the theory of film growth and the growth technique firstly more, the ways and characteristics of surface detection are prescribed we mainly report the growth process, results and discuss of self - organized quantum dots structures in the a12o3 substrates by s - k mode using ecr - mocvd, in the espd - u device the growth art of ain epilayer which is the preliminary foundation of self - organized gan / ain quantum dots structures, including the substrate cleaning, nitridation, the growth of buffer and the growth of gan and ain epilayer, is discussed we deliberately compare the test result of rheed xrd and afm and achieved the optimalized condition of ain at last we have successfully realized the growth of ain which is much smooth and better crystal quality moreover, we grow the self - organized gan / ain quantum dots structure in s - k mode because the limits of the heater temperature, we can not grow the atom - smooth epilayer of ain until now so we could not grow better quantum dots which have small diameter and big density but the self - organized quantum dots structures with better quality will be realized successfully if the substrate temperature is increased the thesis study belong to my tutor subject of national nature science foundation ( 69976008 )
本論文主要論述了在espd - u裝置上，採用電子迴旋共振等離子體增強mocvd （ ecr - pamocvd ）方法，在藍寶石襯底上通過s - k模式自組裝生長gan aln量子點結構的生長工藝、結果及討論。而重點分析了自組裝生長量子點之前的aln外延層生長工藝，包括襯底清洗、氮化、緩沖層的生長和gan 、 aln外延層的生長；通過高能電子衍射、 x射線衍射和原子力顯微鏡測試，並且對這些測試結果進行了詳細的比較研究，得出了較優化的工藝條件，生長出了晶質較好、表面較平整的aln外延層；進而採用s - k模式自組裝生長了gan aln量子點結構。由於實驗裝置加熱爐溫度的限制，我們沒有能夠生長出原子級平滑的aln外延層表面，因而沒能夠生長出密度比較大和直徑比較小的量子點。 -
In order to compare the retention time ( rt ) and limits of detection of 20 organophosphorous insecticides in different conditions the experiments were carried out using a medium polar capillary column ( db - 1701 ) and a no polar capillary column ( db - 1 ) with two detectors ( gc - fpd and npd ). the rt of 20 organophosphorous insecticides in two different polar capillary columns was a retention qualitative method for 20 organophosphorous insecticides. db - 1701 capillary column coupled with gc - fpd detector was used in the following study, the limits of detection were in range of 5x10 - 11 ~ 2x 10 - 12 g, the linear range was 2x 10 - 9 ~ 1 x 10 - 11g
本研究用兩種檢測器（氮磷檢測器和火焰光度檢測器儀器）和兩種不同極性色譜梓（中極性毛細管色譜柱db - 1701 、非極性毛細管色譜柱db - 1 ）作為研究手段，比較了20種有機磷殺蟲劑在兩種色譜柱（ db - 1 、 db - 1701 ） 、兩種檢測器（ fpd 、 npd ）上的保留時間及最小檢測量，建立了用不同極性色譜柱上有機磷農藥的保留時間可作為有機磷農藥雙柱定性確證的的方法；建立了db - 1701 ， gc - fpd測定蔬菜中20種有機磷殺蟲劑的氣相色譜法，該方法的最小檢測量為5 10 ~ （ - 11 ） 2 10 ~ （ - 12 ） g ，線性范圍在2 10 ~ （ - 9 ） 1 10 ~ （ - 11 ） g時，相關性良好。 -
Ion mobility spectrometry ( ims ) is a gas phase electrophoretic technique with the advantages of speed, low detection limits and low cost
摘要離子遷移譜技術是一種氣相環境下的電泳檢測技術，具有快速、靈敏、運行成本低等特點。 -
Under this condition, the linear range, the limits of detection, the recoveries, the relative standard deviations of the method to every component have been carried on
進樣口溫度220 ，檢測器溫度250 。在此條件下，對各組分進行了方法的線性范圍及檢測限，方法的準確度，方法的精密度測定。 -
Because of these two factors, in the traditional proceedings two parties " acts on fact - detection receive a great deal of limits, meanwhile the judge has play the role of investigator in certain degree to find out what on earth had happened in society
正是由於這兩方面因素，在傳統的訴訟中，由於與審判結果有利害關系當事人在發現事實層面上的活動受到極大的限制，而另一方面法官也被迫擔當了一部分調查官的角色去查明發生在社會中的事實。 -
The paper also researched the sensitivity of phytoesterase extracted from different plant seeds on assaying organophosphate pesticides, and the limits of detection concentration ( ldc ) of five pesticides were determined
並且研究了不同來源的植物酯酶對有機磷農藥的敏感性，確定了黃豆來源酯酶對敵敵畏等五種農藥的最低檢測限。 -
Cid - icp - aes has the advantages of high sensitivity, high signal - to - noise and high quantum efficiency, which nearly reaches theoretical limit value of theoretical parts of an apparatus ; it can memorize thousands of spectra lines at the same time. cid - icp - aes is the newest model, and there are still few articles to report analytical character of this type, as this result the optimum of operating condition and the effect of analytical parameters for photometric precision, signal - to - noise and detection limits are studied : r. f. power is 11 sow, nebulizer pressure is 28psi, the measurement time is 3 times and the integral time is 20s
本實驗室的光譜儀是當前最新型號的全譜直讀光譜儀，這類新型裝置分析性能的研究報道較少，因此研究著重分析了參數對測量精密度、線背比及檢出限的影響，對儀器最佳操作條件進行了摘要優化：發射功率採用1150w ；載氣壓力為28psi ，測量次數選擇3次，積分時間為205 。 -
In the boron medium of ph = 4. 5, the complex of mo ( vi ) - ars - cpc, can be collected on nitrocellulose membrane. the complex and the filter are dissolved in a small volume of dmso, and the absorbance of the resulting solution is measured by means of spectrophotometric method at 490 nm wavelength against the reagent blank. the detection limits better than 1. 2ug / l can be achieved
5的hac寸aac緩沖溶液中， mo （ vi ）與酋素紅s （ ars ）以及澳代十六烷基毗陡（ cpc ）形成的三元絡合物能夠被硝化纖維微孔濾膜定量富集，富集膜溶解在小體積的二甲亞礬中，於490run處以試劑空白為參比測定吸光度。 -
Data of linear regression equations and detection limits of 7 anions and 6 cations were given
且都可以得到很好的線性和較低的檢出限。 -
The sensitivity of the ternary complex reaction is very high with molar absorptivity of 1. 2 x105. the detection limits better than 0. 3 ug / l can be achieved
以三倍空白的平均標準偏差計，方法的檢出限為0 . 3 g l 。 -
It is difficult to define the detection limits obtained by chelation - solvent extraction
確定螯合- -溶劑萃取法所得到的檢測限頗為困難。 -
The complex and the filter are dissolved in a small volume of dmso, and the absorbance of the resulting solution is measured by means of spectrophotometric method at 545nm wavelength against the reagent blank. the detection limits better than 1. 0 u g / l can be achieved
50倍富集時，方法的檢出限為0 85pg l 。以上兩種方法應用於分析天然水以及礦泉水中的mo （ vi ）和的o ） ，回收率好，結果滿意。 -
Moreover, good linear relationships and relatively lower detection limits for analysis goal were obtained in the range detected based on the non - deoxygenated cd - rtp
本文直接用所選有機溶劑配儲備液，不僅信號重復性好，而且有效增強發光，在檢測范圍內有良好的現行關系和較低的檢測限。
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