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amino-isovalerianic acid相关的网络例句

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Then the epoxide of oleic acid was further oxidized and fragmented by peracetic acid to make azelaic acid. Various solvent conditions were discussed and compared.

其中分别对异丙醇、离子液体(BMIMPF6和BMIMBF4)单独作溶剂以及二者复配作溶剂的各种情况作了详细比较。

Mutation of the AZELAIC ACID INDUCED 1 (AZI1) gene, which is induced by azelaic acid, results in the specific loss of systemic immunity triggered by pathogen or azelaic acid and of the priming of SA induction in plants.

可感应壬二酸的壬二酸感应基因(AZI1)的突变,导致了由病原体或植物体中的壬二酸和SA感应起始所触发的特定性丢失。

B. Each kind of nucleic acid is composed of three parts: Molecular azotic basic group + member pentose + molecular phosphoric acid radical, DNA is by C, H, O, N, the P five kind of elemental compositions. c. The nucleic acid azotic basic group may divide into four kinds: Guanine, thymine, adenine, cytosine d.

b。 每一种核酸由三个部分所组成:一分子含氮碱基+一分子五碳糖+一分子磷酸根,DNA都是由C、H、O、N、P五种元素组成的。

Potassium, natrium determines it is good that use ion chooses electrode indirect method it is better also with indirect method to determine at calcium of direct way;, it is next occasionally phosphor of; of law of azotic arsenic Ⅲ determines use phosphor molybdic acid is ultraviolet law outcome is better it is better with result of law of personal candy kinase that; blood sugar determines; urea determines use Niao enzymatic ultraviolet anhydride of better; flesh uses rate law result enzymatic law outcome is better; albumin determines, it is vanadium acid next alkalescent phosphoric acid of oxidation law; is enzymatic determine outcome of fluid of use AMP amortize is better; amylase determines law of thing of enzymatic standard background and iodic colorimetric law coefficient of variation all bigger, former a bit small, latter of percent of pass is tallish, each lab can try to choose according to his condition.

结论钾、钠测定使用离子选择电极间接法好于直接法;钙测定用间接法也较好,其次是偶氮砷Ⅲ法;磷测定使用磷钼酸紫外法结果较好;血糖测定用己糖激酶法结果较好;尿素测定用脲酶紫外速率法结果较好;肌酐用酶法结果较好;白蛋白测定用溴甲酚绿法较好;胆红素测定用酶法结果好,其次是钒酸氧化法;碱性磷酸酶测定使用AMP缓冲液结果较好;淀粉酶测定酶法底物法和碘比色法变异系数均较大,前者稍小,合格率后者稍高,各实验室可根据自己的条件加以选用。

As barbituric acid and riboflavin was respectively added into PC/4 coliposomal solution, the absorbivity of barbituric acid at 258 nm, and riboflavin at 222 nm and 264 nm decreased slowly with time. The onset of a hypochromic effect can be ascribed to adeninebarbituric acid or riboflavin interaction.

紫外可见光谱研究表明,底物巴比妥酸在258 nm的吸收峰,核黄素在222 am,264 nm的吸收峰随时间的延长而逐渐降低,这种减色作用归因于脂质体内的巴比妥酸和核黄素在亲脂区分别与双亲化合物上的腺嘌呤形成了氢键。

Discussion Diphenylacetic acid can be prepared by the reduction of benzilic acid with hydriodic acid and red phosphorus,1 by carbonation of the reaction product of phenylsodium and diphenylmethane,2 and by hydrolysis of 1,1-dichloro-2,2-diphenylethylene.3

讨论 Diphenylacetic酸可编写的减少benzilic酸hydriodic酸和红磷, 1碳化反应产物phenylsodium和二苯基甲烷,第2和水解1,1 -二氯- 2 ,2 - diphenylethylene 0.3

Furthermore, benzoic acid, p-toluic acid and p-phthalic acid were transformed slowly in sediment slurries amended with BESA (20 mM) under the condition of 100% CO2 and H2/CO2 (20/80), respectively, and the sediment slurry was dominated by methanogene bacteria.

在底泥含有甲烷菌抑制剂及上层气体分别为100% CO2和H2/CO2 (20ml/80ml)时,苯甲酸、对位甲基苯甲酸及对位苯二酸之分解变慢,且此底泥菌群是以甲烷菌为主要优势菌。

In the forth chapter, betulin was oxidized by Jones oxidation in step 1 and converted to betulonic acid, then betulonic acid was reduced by sodium borohydride in step 2 and converted to betulinic acid.

第四章使用琼氏氧化剂氧化白桦酯醇,硼氢化钠还原制得白桦酯酸。

RESULTS:In the Chenxiang Lubailu table,the identification of bismuthic salt positive result with dilute nitric acid instead of hydrochloric acid and the white precepitation formed in identification of magnesian was bismuth hydroxide sediments,it was easy and accurate to identify bismuthic salt by adding ascorbic acid.

结果:该片中的铋盐碘化钾鉴别反应,用稀硝酸代替盐酸做溶剂,呈正反应;镁盐氯化铵-磷酸氢二钠鉴别反应,加氨试液后,析出的白色沉淀不是Mg2,而是Bi3,该沉淀在氯化铵试液中不溶,干扰镁盐鉴别;铋盐含量测定项,用加抗坏血酸掩蔽剂的方法,排除Fe3+的干扰,使终点颜色稳定,易于准确判断。

In this paper the study on optimizing the esterification of cellulose and some character of CAB(the degree of substitution of cellulose, solubility, the thermal properties and molecular weight) was discussed. The mechanism of the esterification of cellulose in butyric acid/ acetic acid/ butyric anhydride which comprises the creation of the acetic butyric anhydride, acetyl cation and butyryl cation was investigated by the study of the effect of the content of the organic acid and anhydride on the degree of acetyl and butyryl substitution of cellulose.

最后本文根据纤维素在丁酸/乙酸/丁酸酐中的酯化反应中有机酸以及酸酐的添加量对最后产物纤维素醋酸丁酸酯中乙酯或者丁酯取代度的影响,提出纤维素在丁酸/乙酸/丁酸酐中的酯化反应经历一个混和酸酐以及乙酰碳正离子、丁酰碳正离子的生成过程。

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