酸熱試驗 的英文怎麼說
中文拼音 [suānrèshìyàn]
酸熱試驗
英文
acid heat test-
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。We select ni / cr alloy resistor as element together with ceramic embedding hearth ; select small flat - and - disc heat - even hubby ceramic sample holder, select ni / cr & ni / si thermoelectric couple ( type k ) as thermoscope with threads 0. 5 mm in diameter which is installed in the middle of the holders symmetrically ; select aluminum silicate fire - retardant fiber as materials for heat preservation ; design some hardware, for example temperature controller & transporter, signal amplifier etc ; design controlling curve to heat stove ; and introduce the method of least squares nonlinear regression and subsection function to deal with data. in order to obtain the reasonable operation conditions and operation curve, we have also done many theory analysis and experiment discussions
通過理論和試驗探討，選用鎳鉻合金電阻絲作為加熱元件，配以陶瓷質埋入式爐膛；選用陶瓷質小尺寸扁平?圓盤均熱塊體型樣品支持器；選用0 . 5mm絲徑鎳鉻?鎳硅熱電偶（ k ）作為測溫元件；熱電偶對稱安置在樣品支持器容器的中部；選用硅酸鋁耐火纖維作保溫材料；合理選用和設計了溫度控制器、溫度變送器、信號放大電路等硬體；採用升溫曲線來控制爐膛供熱過程；採用最小二乘法非線性回歸與分段函數相結合的曲線模擬方法，進行圖形處理。The major performances of concrete and mortars, which are mixed with different quantities of expansion admixtures under the same mix proportions, are studied systematically and deeply in this work. sulphoaluminate mixed with a type of new expanding component by use of the composite methods are studied in the laboratory, and some achievements have been obtained. the service conditions, the characteristics and the shortcomings of expansion admixture in the concrete engineering are analyzed and summarized based on literatures, and the expanding mechanism of concrete is discussed
本文試圖從膨脹劑不同摻量研究其對混凝土和砂漿主要性能的影響，進行了一系列宏觀力學性能試驗研究；利用差熱分析（ dta ） 、掃描電子顯微鏡（ sem ）等分析手段對鈣礬石等水化產物的結晶和生成量、形貌特徵進行微觀分析；並採用復合方法摻加新型膨脹組分對硫鋁酸鹽類膨脹劑（ uea ）進行了改性試驗研究，根據多因素模糊綜合評價方法就各類膨脹劑的主要性能進行綜合評價，得出摻加新型膨脹組分pt的膨脹劑性能較優，取得了明顯的效果。With the purpose of better understanding some weak links in this subject, we comprehensively and systematically compared the effects of some typical inhibitors and their different combined ways in inhibiting cd bioavailability in purple soil, further studied the laws and affecting factors of cd ' s transfer and transformation in soil - plant system, revealed the mechanisms inhibitors function, and explored the practicable inhibitor prescriptions and their usage. the results are expected to provide reliable techniques for controlling cd pollution of agricultural soils in chongqing and it is also significant to ameliorate soils polluted by other kinds of heavy metals. comprehensive methods including pot experiment, laboratory culture experiment, kinetic and thermodynamic adsorption - desorption experiment were adopted in this study, and the acidified purple soil was chosen to test, considering that cd is highly active in this soil
本研究針對重慶市農業土壤的污染狀況，選取鎘活性較高的酸化紫色土為供試土壤，採用盆栽試驗、培養試驗、化學熱力學與動力學吸附試驗相結合的方法，系統研究和比較多種調控劑及其不同組合方式對鎘生物活性的效應，並揭示鎘在土壤?植物系統中的遷移轉化規律及影響因素，進一步分析調控劑的作用機理，探尋具有實際應用價值的調控劑配方及合理使用的方法，這不僅可以為重慶市農業土壤鎘污染的防治提供可靠的技術保障，而且對于其它重金屬污染的治理也有一定的理論意義。The results show that a product with fine quality and pleasant flavour can be obtained from hedgehog hydnum juice 10 %, sugar 7 %, powdered milk 4 % and streptococcus thermophilus and lactobacillus bulgaricus ( 1 : 1 ) 3 %
試驗結果表明:猴頭汁添加量為10 % ，加糖量為7 % ，奶粉添加量為4 % ，發酵劑（保加利亞乳桿菌和嗜熱乳酸鏈球菌1 : 1 ）接種量為3 % ，可制得質地細膩、風味優良的猴頭汁酸乳。An experiment was conducted to study the effects of hot - pressing temperature on properties of wheat straw - plastic composites made from wheat straw and recycled polyethylene ( pe ) using isocyanate as adhesive through multi - factor orthogonal experiment and single - factor experiment
摘要通過正交試驗和單因子試驗，以麥秸和廢舊聚乙烯塑料為原料，使用異氰酸酯膠黏劑壓制麥秸塑料刨花板，分析熱壓溫度對麥秸聚乙烯復合材料性能的影響。Final results indicated that the way being fit for plating copper on the surface of carbon fibers was that carbon fibers were oxidized in hot air and boiled in nitric acid at high temperature
試驗發現採用熱空氣和濃硝酸聯合氧化的方法可使碳纖維獲得適于鍍銅的表面狀態。The pretreatment, effect of bath compositions and operation conditions such as temperature, currenty and time on compactness of the zinc and cu / ni / cr coatings have been investigated. the relationship of operation conditions to thickness of the coatings was studied by weight method. the specimens have been pickled in nacl or sulfate acid solution to evaluate the porosity of the coating
研究了鎂合金電鍍前處理工藝，電鍍鋅、電鍍銅/鎳/鉻工藝配方及其施鍍溫度、電流密度和時間對鍍層緻密性的影響;採用稱重法研究施鍍工藝與鍍層厚度的關系，利用nacl溶液和硫酸溶液浸泡試樣來考察鍍層孔隙率，採用劃痕試驗和熱震試驗檢驗鍍層的結合力，採用金相顯微鏡和掃描電子顯微鏡觀察鍍層表面形貌。Tests for thermal and weathering properties of aggregates - magnesium sulfate test
集料的耐熱特性及耐風化特性試驗.硫酸鎂試驗Standard test method for determination of the moisture and volatile content of sulfonated and sulfated oils by hot - plate method
用熱板法測量碘化油和硫酸鹽油中含水量和揮發量的標準試驗方法Tests for thermal and weathering properties of aggregates. part 2 : magnesium sulfate test
集料熱性能和老化性能試驗.第2部分:硫酸鎂試驗Standard test method for measuring color after heating of tall oil fatty acids
脂肪酸加熱色變測定的標準試驗方法Ir - ta - ti metal oxide coated titanium anodes of variable composition were prepared by thermal decomposition. their micro morphorogies and electrochemical properties were characterized by scanning electron microscope, open circuit potential, cyclic voltammetry, consumption rate measurements and accelerated life test. the sem results indicated that all coatings were of a porous and cracked - mud microstructure influenced greatly by the composition of coatings. the electrochemical measurements showed that the ir - ta - ti ternary oxide - coated anodes exhibited excellent electrochemical activity and electrochemical stability in both acidic media and seawater which were affected by the composition and microstructure of the coatings. owing to good corrosion resistance and low consumption rate in seawater, metal oxde coated anodes belong to insoluble material, and can be potentially applid in impressed current cathodic protection systems as an anode
採用熱分解方法在鈦基體上制備銥鉭鈦金屬氧化物陽極，用掃描電鏡對陽極塗層顯微形貌進行分析，通過強化電解壽命試驗、開路電位測試、消耗率試驗及循環伏安曲線研究了金屬氧化物陽極的電化學性能. sem分析結果表明銥鉭鈦金屬氧化物陽極塗層呈現多孔多裂紋形貌結構.隨陽極塗層組成不同，塗層顯微形貌表現出很大差異，這種差異直接影響陽極電化學性能.電化學性能試驗結果表明銥鉭鈦金屬氧化物陽極在酸性介質和海水中具有良好的電化學穩定性和電化學活性.此外，銥鉭鈦金屬氧化物陽極在海水中的消耗率很低，屬于不溶性的陽極材料，作為外加電流陰極保護用輔助陽極具有廣泛的應用前景Testing methods for tolylene diisocyanate type prepolymers for thermosetting urethane elastomers
熱固性聚氨酯彈性體用甲苯二異氰酸酯預聚物的試驗方法The optimum conditions of preparation were as fellows : the concentration of zinc sulfate solution of 1. 8 - 2. omol / l, the concentration of ammonium bicarbonate solution of 1. 4 ~ 1. 6mol / l, the time of ultrasonic radiation of 25 ~ 30min. iv. preparation of active zinc oxide by means of microwave radiation to calcine precursor of basic zinc carbonate firstly, and a mechanism on preparation of ultra - fine active zinc oxide by means of microwave radiation has been investigated emphatically as well as the effects on quality of ultra - fine active zinc oxide have been analyzed and discussed in detail, the time of microwave radiation was 7 ~ 16 min ; comparing microwave radiation calcining with conventional calcining, the calcining time of microwave radiation was one thirty to one twenty, the calcining time shortened hugely, energy consumption saved hugely, the quality of product improved
首次引入超聲波輻射制備超細活性氧化鋅前驅體堿式碳酸鋅新技術，研究了超聲波輻射制備前驅體堿式碳酸鋅的機理，並分析和討論了影響前驅體質量的各種因素，確定了最佳的前驅體制備條件為：硫酸鋅濃度為1 . 8 2 . 0mol / l ，碳酸氫銨的濃度為1 . 4 1 . 6mol / l ，超聲波輻射25 30min ； 4 、首次採用微波加熱煅燒前驅體堿式碳酸鋅制備超細活性氧化鋅的新技術，研究了微波輻射加熱煅燒前驅體制備超細活性氧化鋅的機理，並分析和討論了影響活性氧化鋅質量的各種因素，確定了最佳的超細活性氧化鋅制備條件為：微波加熱煅燒時間為7 16min ，與傳統煅燒方法相比，煅燒時間僅為傳統的1 30 1 20 ，大大縮短煅燒時間，節省能耗，提高了煅燒產品的質量； 5 、完成了從鋅浮渣中制備超細活性氧化鋅的小試試驗和擴大試驗。Standard test method for isotopic analysis of hydrolyzed uranium hexafluoride and uranyl nitrate solutions by thermal ionization mass spectrometry
用熱電離質譜法進行水解六氟化鈾和硝酸雙氧鈾溶液同位素分析的標準試驗方法Acid heat test
酸熱試驗Testing methods for phthalic esters - part 4 : heating loss, acid value after heating, volume resistivity
鄰苯二甲酸脂的試驗方法.第4部分:加熱損失加熱后的酸值體電阻率As shown by the experimental results, the treatment either with phosphoric acid or by heating with microwave, the interference of high background values was effectively eliminated
試驗結果顯示，或用磷酸處理，或經微波加熱處理，均能有效消除高背景的干擾。Standard test methods for chemical analysis of thermal insulation materials for leachable chloride, fluoride, silicate, and sodium ions
可浸出氯化物氟化物硅酸鹽及鈉離子用絕熱材料的化學分析的標準試驗方法分享友人