concentration test 中文意思是什麼

concentration test 解釋
濃度溶度積
  • concentration : n. 1. 集中。2. 【化學】提濃，蒸濃，濃縮；濃度；稠密度；【礦物】汰選，選礦，富化。3. 集中注意，專心。
  • 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. In trpsin tolerance assay. this virus could resist to 1 % trpsis at 37 in an hour. in acid tolerance assay, this virus was resistant to ph3. 0 and ph5. 0 at 37 in 2 hours, and the average infection litre of the virus decreased little. in heat assay, at 50, the virus was processed from 5 minutes to 150 minutes and at each condition the viral virulence reduced to some certain degree. among these conditions, when at 50 in 30 minutes. the average infection litre of this virus decreased over 2 tilre. and when al 50 in an hour, cpe of ihis virus disappeared. when time was set for an hour. but with processed in different temperature as 50 60 70, 80, the virus losl the multiplication capacity complelely. in biological assay, we selected different cell lines to cultivate this virus by laking advantage of possesional cells at that time in our laboratory. then we found that fcwf cell line was the most sensitive to dxmv and mdck was the second. with f81 cell line, after passaged for 12 times continuously with low concentration of fcs. the virus could produce cpe. however, with vero cell line. the virus could not procuce any cpe after many passages. the hemagglutination and lumadsorption reaction test proved that this virus had no any reaction to erythrocyte of pig, fowl and cavy. by neutrolizaion assay, dxmv could be identified as a kind of ccv

    理化學研究表明，該病毒為rna病毒，對氯仿、乙醚敏感；胰酶試驗中，經37 、 1小時處理的病毒，仍然能夠在貓源細胞fcwf細胞上生長，並且毒力基本保持不變；耐酸性試驗中，病毒分別在ph5 . 0和ph3 . 0經37作用2小時，毒力僅下降一個滴度；耐熱性試驗中，該病毒在恆定溫度50 ，設定不同時間，從5分鐘到150分鐘，毒力均有不同程度下降，其中， 50作用30分鐘，病毒平均滴度下降2個單位； 50 ， 60分鐘， cpe消失；恆定時間1小時，設定不同溫度（ 50 - 60 - 70 - 80 ） ，病毒在細胞上完全喪失增殖能力， cpe消失。生物學試驗，利用實驗室現有條件，選擇不同的細胞系對該病毒進行培養，發現該病毒對貓源細胞fcwf最敏感； mdck細胞次之； f81細胞經多次傳代，亦可出現cpe ；而vero細胞則不敏感。血凝試驗表明，該病毒對豬、雞、人及豚鼠的紅細胞均無血凝性。
  2. Abstract : abstract effect of alumina concentration, mole ratio and magnesium fluoride content on electroosmosis ni the aluminum smelting is investigated through test, and electroosmotic matter and depth analyzed by electronic probe and x - ray diffraction

    文摘:通過試驗考察了氧化鋁濃度、分子比及氟化鎂含量對鋁電解電滲的影響，並通過電子探針和x -射線衍射分析了電滲的物質，電滲的深度。
  3. Experiment shows that the antigen extracted by autoclave is best for dot - ppa - elisa. applying the x2 test, optimal concentration of antigen was determined, and the optimum dilution of enzyme hrp - spa was 1 : 10. the high specificity of dot - ppa - elisa was proved by the specific blocking test, and also by the cross - reaction test in which the diaphragm does not react with the antibodies against salmonellosis, pasteurellosis, chlamydiosis, hcv, ppv, brucellosis, erysipelas suis, colibacillosis, prv

    試驗中對多種方法提取的診斷抗原進行了比較、篩選；確定了dot - ppa - elisa的最佳工作條件；測定了st - 171株的免疫豬血清抗體及c群、 2型人工感染豬血清抗體效價，並初步確定了該方法的陽性標準。
  4. Standard test method for hydrogen ion concentration of dry adhesive films

    干粘膜中氫離子濃度的標準試驗方法
  5. The anion surfactant nals was the most efficient in the process and was selected as collector by orthogonal method. the interfacial tension and cmc of nals ( cmc 6. 5 10 - 3m ) in the solution was measured by hanging ring test, the function relationship between interfacial tensions and nals concentration was : = - 0. 9523 in 2c - 24. 534 in c - 81. 411. the relation of interfacial adsorption equilibrium in the solution system was respectively tested and calculated with gibbs equation and dynamic method. the conclusion showed that ( 1 ) the experiment result of dynamic method with was highly in coordination with the value which from theoretical calculation. ( 2 ) the surfactant molecule was in arrangement of monomolecular layer at the gas - liquid interface

    用吊環法測定了十二烷基硫酸鈉水溶液不同濃度與其界面張力的關系，擬合得到的回歸方程為= - 0 . 9523ln ~ 2c - 24 . 534lnc - 81 . 411 ，同時還測得其臨界膠束濃度值（ cmc為6 . 5 10 ~ （ - 3 ） m ） ，運用吉布斯等溫方程和動態法分別計算和測定了該溶液系統的界面吸附平衡關系，結論表明： （ 1 ）動態法測定結果基本吻合吉布斯方程的理論計算； （ 2 ）表面活性劑分子在氣?液兩相界面是以單分子層形式定向有序排列的。
  6. In order to improve the electro - catalytic activity of platinum based catalyst to methanol oxidation, in this thesis, firstly prepare heteropoly acid modified pt / gc electrode with different concentration by cyclic voltammetry method, and then test the cyclic voltammetry curves individually in vitriolic and methanol solution. the study shows the best concentration for both phosphomolybdic acid and phosphotungstic acid is 1 10 ~ ( - 3 ) mol / l. and find the more heteropoly acid modified on electrode, the lower peak - up potential towards methanol because of the existence of oxygenous species

    為了改善鉑基催化劑氧化甲醇的催化活性，本論文首先通過循環伏安掃描法制備了不同濃度磷鉬酸和磷鎢酸修飾的pt / gc電極，通過研究pt / gc電極在修飾前後在硫酸溶液中及含甲醇的硫酸溶液中的循環伏安行為發現，磷鉬酸和磷鎢酸均能在ptru / c電極上發生氧化還原反應，而且雜多酸修飾濃度對pt / gc電極氧化甲醇的催化活性有很大影響。
  7. The fem analysis for the three structures of sling screw - thread - based, namely the circle, rectangle and that with strengthen plate, and the tensile test for sling screw - thread - based in torpedo body show, that the bonding with strengthen frp plate between load - bearing metal parts and frp hull with hatch can reduce the stress concentration and significantly decline the local stress in frp hull with hatch. this structure can also be used in the similar produces. ( 3 ) the effects of parameters for bonding process on the adhesive strength and leakproof are discussed, such as the bonding interface reduce, bonding surface treatment, match of adhesive surface, protect for adhesive seam and so on

    本文通過某型號雷體吊耳螺紋座結構的三種方案，即圓形昂耳螺紋座、長方形吊耳螺紋座、具有增強板的吊耳螺紋座的有限元分析及雷體吊耳螺紋座拉力試驗結果證明：金屬承力件與開口玻璃鋼殼體粘接採用玻璃鋼增強板補強，緩和了應力集中，使開口殼體局部應力明顯降低，類似的水下兵器用金屬承力件與開口復合材料殼體膠接均可採用此種結構形式。
  8. The substance with antibacteria action which had high purity was tested with escherichia coli, staphylococcus aureus, bacillus pyocyaneus and yeast by the antibacteria test to decide the minimal inhibitory concentration as 6. 37umol. l - 1, 3. 18umol. l - 1, 6. 37umol. l - 1, 6. 37umol. l - 1 25. 48umol. l - 1

    純化的抗菌活性物質通過對大腸桿菌、金黃色葡萄球菌、枯草桿菌、綠膿桿菌、酵母菌做抑菌試驗，最低抑菌濃度分別為6 . 37 mol
  9. In order to determine the concentration or supersaturation in crystallization process, an online test apparatus was set up based on the relationship between the concentration and the electroconductivity at a temperature for binary electrolyte systems, which was also used in similar fields to measure the electrolyte concentration

    根據二元電解質溶液體系的濃度與電導率和溫度之間的關系，建立一電導率在線測量裝置，可在一定范圍內測定溶液的濃度或過飽和度。實驗得到與hlozny等人基本一致的溶液電導率變化趨勢。
  10. Determination of breath alcohol concentration - part 3 : test method

    氣味酒精濃度測定.第3部分:試驗方法
  11. Methods with the content of the gentionpicrin as the index, the orthogonal test method was used for studying the effect of four factors ( alcohol concentration, the amount of alcohol, digestion times, extracting time ) on extracting rate

    方法：採用正交試驗法，以龍膽苦苷為檢測指標，用正交試驗考察4種因素（乙醇濃度、溶媒用量、浸提次數、提取時間）葉其含量的影響。
  12. In order to detect the effect of human sperm mannose - ligand receptor on the fertilization ability, in the study reported here mannose - ligand receptors ( mrs ) were purified from human sperm by modified mannose - agarose gel affinity chromatography coloumn and determined protien concentration by lowry, preincubated zona - free hamster oocytes with four purified mannose - ligand receptor ( pmr ) concentrations before sperm penetration assay ( spa ) to test the pmrs cell biology nature of inhibition to fertilization

    本研究用改良后的親和層析法分離純化mr ， lowry法測定其蛋白質濃度，在精子穿透試驗（ spermpenetrationassay ， spa ）模型中定量研究其對精卵融合能力的影響並檢測其細胞生物學活性；以已知濃度的pmr （ purifiedmannose - ligandreceptor ）干預精子半透明帶試驗，觀察用pmr預處理半透明帶對精子與透明帶結合的影響。
  13. Test results show that the ignition process of pc in ignition chamber includes three stages. the effects of velocity, pc concentration and wall temperature on the ignition of pc are studied

    試驗結果證實煤粉氣流在感應加熱點火室內的著火過程分為三個階段，揭示了煤粉入口速度、煤粉濃度、點火室壁面溫度對煤粉氣流著火的影響規律。
  14. If determination of an analyte concentration is required, the assay system based on immunochromatography can be combined with a detector that is capable of precisely quantifying the binding complex formed as a result of the test, although the system is commonly fabricated in a stand - alone format

    如果需要測量分析物的濃度，建立在免疫層析基礎上的檢測系統可與監測器相結合，這個監測器能準確定量形成的作為測試結果的結合物，雖然系統一般以單獨站立的形式製造出來。
  15. Aimed at developing a set of methods efficient in inducing the hairy roots with agrobacterium rhizogenes from trichosanthes bracteata voigt to meet needs for hairy roots for bioreactor culture research and application ; and also in order to investigate the roles of explants, agrobacterium rhizogenes, affecting factors and their magnitude and the underlying mechanism in the transformation, therefore to determine the optimum explants, pre - culture time, tested strain concentration, infection time, co - culture time, affecting factors and their effects working together and to obtain the optimum transforming condition by performing orthogonal test, this project was launched. with cotyledons and stems from trichosanthes bracteata voigt plantlets as explants, agrobacterium rhizogenes r1601 and r1000 as infection agents, transformation was performed using different methods and under various circumstances

    為了建立一種有效的誘導大苞栝樓發根的方法及其發根培養體系，以適合於發根生物反應器擴大培養研究和應用基礎的需要；本研究對誘導發根的外植體在發根農桿菌和環境因子等影響作用下進行發根的誘發及其可能的機理進行探討，從而找出用於發根誘導和培養的最佳外植體、預培養時間、發根農桿菌濃度、感染時間和共培養時間、誘導條件，並通過正交試驗得出優化的誘導條件。
  16. In this research, through the test in geometric parameter and resistance performance, and comparison between random and other stacked packing, pvc screw thread oblique corrugated plate have more advantage. combined with test and theoretic calculate, determined the heat and mass transfer coefficient, obtained the influence relationship between inlet air flow rate, temperature and humidity, inlet liquid desiccate flow rate, temperature and concentration with outlet air humidity in dehumidifier, provided consideration for equipment design and production

    通過對除濕塔的現場測試並結合理論計算，確定其熱質交換系數，並分析得出採用pvc螺紋斜波紋板填料的一定結構的除濕塔，處理空氣的風量、入口溫度和含濕量及除濕溶液流量、入口溫度和濃度對空氣出口含濕量的影響關系，為除濕設備的設計和指導生產運行提供參考。
  17. Results indicate that the capsaicin was evidently active in inhibiting both the bacteria and the fungi and showed strong inhibitory effects on these pathogens in a concentration dependent manner, exhibiting a stronger inhibition to the test bacteria than to the test fungi

    結果表明，辣椒堿具有廣譜的抗菌范圍和較強的拮抗病原菌的活性，且抗菌活性有明顯的量效關系，其中辣椒堿對供試細菌的拮抗作用遠大於對供試真菌的作用。
  18. Orientation - memory - concentration test and short informant questionnaire on cognition decline in the elderly screen dementia by telephone

    注意測驗和簡短老年人認知功能下降知情者問卷電話篩查癡呆
  19. Mineral feature and concentration test of containing au - ag polymetallic sulfide deposit in guigang

    貴港含金銀多金屬硫化礦床礦物特徵及選礦試驗
  20. Based on a chloride concentration test of field - exposed concrete specimens, a numerical example is given. the result shows that the chloride concentration increases with service time, decreases with diffusion depth, and the chloride diffusivity is a variable with time, depth and chloride concentration

    通過對自然環境中混凝土試件的現場氯離子濃度試驗的算例分析發現，混凝土中的氯離子濃度隨服役時間增加而增加，隨擴散深度的增加而減少。
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