isopropyl 中文意思是什麼

In this paper, first strand cdna of 3abc gene was synthesized using template rna extracted from cells infected with fmdv. the complete 3abc gene about isoobp was amplified by pcr and ligated into pgem - t easy vector. after transforming e. coli dh5 a, ampicillin resistant colonies were isolated and plasmid dna was prepared and analyzed by restriction analysis and pcr. presence of the full length 3abc gene was verified by nucleotide sequence analysis and the plasmid containing the expected sequence was named as pgem - 3abc. comparing the aquired sequence of 3abc with that of reference strains, the homology is more than 99 percent. the pgem - 3abc was digested with sal i and bgl ii and ligated into xho i and bgl ii - digested expression vector ptriex - 4 neo. lt was identified by restriction analysis and pcr and sequencing that this fragment had a 17bp deletion hi the nucleotide sequence 708bp of 3abc gene, which happened to form a terminator codon behind 3ab gene, but it contained the complete open reading frame ( orf ) of 3ab gene. positive clones were selected and induced with lmmol / l isopropyl - d - galactoside ( iptg ), bacteria were detected by sds - page and western blotting after properly treated. the results showed that the 3ab gene expressed successfully in e. coli and 33. 5ku fusion protein can be recognized by the positive bovine serum of fmdv. the amount of target protein is over 26 % of the total bacteria protein by gel thin layer scanning analysis

擴增產物連接到pgem - teasy載體中，轉化大腸桿菌dh5菌株，篩選氨芐青霉素抗性菌落，提取質粒經酶切鑒定、 pcr分析以及確證性測序證明，所克隆的1500bp左右的片段含有完整的3abc基因，與國外參考序列相比，同源性在99以上。將重組質粒pgem - 3abc和表達載體ptriex - 4neo分別用sal和bgl與xho和bgl消化后，亞克隆3abc基因至原核表達載體ptriex - 4neo中，通過酶切鑒定、 pcr擴增以及序列分析，發現克隆到ptriex - 4neo載體上的片段於3abc基因708bp處出現了17bp的缺失，碰巧在3ab基因后形成一終止密碼子，但3ab基因的閱讀框架完整，選出含有3ab基因完整閱讀框架的陽性克隆，用iptg誘導表達，收集菌液進行sds - page電泳、 westernblotting分析，結果表明， 3ab基因在大腸桿菌中成功表達，其表達產物為分子量33 . 5ku的融合蛋白，並能被口蹄疫病毒陽性血清識別。經薄層掃描分析，表達量占總蛋白量的26以上。

Health standard for isopropyl alcohol in the air of workplace

車間空氣中異丙醇衛生標準

Tests confirm isopropyl alcohol in some syrup medicine bottles

懷疑藥水含消毒火酒個案化驗結果

Propan - 2 - ol isopropyl alcohol for industrial use - methods of test

工業用異丙醇.第2部分:試驗方法

Standard specification for isopropyl alcohol

異丙醇的標準規范

Specification for isopropyl acetate

乙酸異丙酯規范

Chemical reagent isopropyl alcohol

化學試劑.異丙醇

Sodium potassium isopropyl xanthate

異丙基鈉

Isopropyl alcohol - food grade

異丙醇食品級

Sodium isopropyl xanthate

異丙基黃酸鈉

Anhydrous isopropyl alcohol

無水異丙醇

Various attempts have been made to study the effect of electrochemical polymerization processes including temperature, electrolyte composition and the deposited location on the strength and brittle - tough properties. by the mechanical measurement and testing, we found, compared with the mixed electrolyte composition of isopropyl alcohol ( ipa ) + 5 % boron trifluoride diethyl etherate ( bfee ) + 5 % polyethylene glycol ( peg ), the better mechanical properties of conducting ppy films were given by the mixed electrolyte compositon of ipa + 5 % bfee + 5 % deg

結果發現，當添加劑peg的濃度不變時，改變bfee的濃度可以改變薄膜材料的性能，其中以30的bfee濃度為最佳；當固定電解液中bfee濃度不變時，改變添加劑的濃度對制備的薄膜性能參數影響不明顯，但以peg100為臨界；降低溫度，可以使薄膜生長減緩，有利於得到性能更好的薄膜。

The azeotropic distillation of the system acetic acid - water - azeotropic agent ( isopropyl acetate and butyl acetate ) is simulated. due to the non - ideal behavior, nrtl - hoc and uniquac - hoc model is used to depict vapor - liquid phase equilibrium behavior of this system. concerning the liquid in the decanter, the stability is checked by tangent plane stability analysis, and the initialization of phase splitting calculation is produced. a good estimate of the phase fration is gotten by successive substitution with newton ' s method, and every component of two phase is gotten by mass equilibrium equation. finally, the solution of this equation is produced with successive substitution calcultion. the naphtali - sandholm method is used to simulation of azeotropic distillation. by virtue of this combined calculation method, the simulation is begun with operational data as basical data. the results of simulation accord with the operating data, which proved that the combined calculation method is credible

該體系具有高度非理想性，氣液相平衡模型採用nrtl - hoc和uniquac - hoc模型，採用切平面判據法對進入分層器中的液相進行液相穩定性測試，提供液液相分離計算的初值，再結合牛頓拉夫森迭代法運算求得相分割系數，根據物料衡算求出各相組成，循環迭代可求得分層各組分數據，共沸精餾模擬計算採用那夫塔列-山德荷姆全變量迭代演算法。

The optimum results are gotten by simulation of changing the value of some variable such as feed position, theoretical tray. the optimum value can be used to guide industrial design. both isopropyl acetate and butyl acetate as azeotropic agent are contrast to each other according to operational data. besides, liquid - liquid equilibrium still is designed by onself, and its credibility is checked by the experimental data of the system acetic acid water - isopropyl acetate at 24

對乙酸-水-乙酸異丙酯體系和乙酸-水-乙酸丁酯體系，分別進行了進料板位置、理論板數的優化計算，得到的優化結果可用於指導工業過程的設計；對採用乙酸正丁酯和乙酸異丙酯作夾帶劑時的操作進行了綜合比較。

The resting cells reaction experiment showed that it could also degrade other acetic ester compounds including ethyl acetate, vinyl acetate, chloroethyl acetate, propyl acetate, isopropyl acetate, butyl acetate, sec - butyl acetate and 1, 3 - butanediol diacetate by producing aetate

休眠細胞反應試驗表明，這株菌除降解醋酸異丁酯以外，還可降解醋酸乙酯、醋酸乙烯酯、醋酸氯乙酯、醋酸丙酯、醋酸異丙酯、醋酸丁酯、醋酸仲丁酯、醋酸丁二醇等醋酸酯類化合物及聚醋酸乙烯酯。

Scrub each optical surface with a gauze pad soaked in isopropyl alcohol. rinse thoroughly with distilled water

光學表面用含異丙醇的網墊擦凈。然後用蒸餾水漂洗。

Dh continues investigating suspected case of syrup medicine containing isopropyl alcohol

生署繼續調查懷疑藥水含消毒火酒個案

Methods bactericidal effect of different concentrations of iodophor in solution were detected and the results were compared with the bactericidal effect of iodine tincture, ethyl alcohol, isopropyl alcohol

方法檢測不同濃度碘附溶液的細菌殺滅率，並與碘酊、乙醇和異丙醇的殺菌效果進行了比較。

Through the comparison between freeze - drying and heat - drying, the agglomeration and the desorption of the precursor on carbon support can be alleviated with freeze - drying method. the effects on the electrocatalysts by pretreatments of carbon support, dispersant and precursor are studied. the result shows that pretreatment of the carbon support by kmno _ 4 can add oxygen - containing functional groups on the surface of carbon, which can reduce the hydrophobicity of the carbon support, and then make it much easier for carbon to dissolve in water to form suspension ; isopropyl alcohol can make the carbon support in high dispersion in the precursor solution, which can make the precursor absorbed on the surface of the carbon

採用高錳酸鉀氧化預處理的碳載體比表面積較大，表面含氧官能團數量較多，親水性較好，有利於前軀體在碳載體表面的吸附;選取異丙醇作為預凍液中的分散劑，有利於碳載體在前軀體溶液中的分散，容易實現前軀體離子在碳載體表面的穩定吸附和分散;使用酸性pt （ no _ 2 ） _ 2 （ nh _ 3 ） _ 2作為前軀體，可以使前軀體離子和碳載體表面的酸性含氧官能團發生離子交換反應，使得前軀體離子吸附量增大，分散更加均勻，以上三種因素的選取都可以得到催化活性更高的pt / c催化劑。

The two new formulae contain ethanol or isopropyl alcohol respectively, glycerol, hydrogen peroxide and distilled or boiled water

兩條新的程式所含的成份包括乙醇或異丙醇甘油雙氧水及蒸溜水或曾煮沸的開水。