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Similarly, 5TPS-AVB〓 or 5-TPS-IVB〓 reacted with carbamino chloride or phosphoryl chloride in IM/DMAP system to produce six new 4"-carbamates or 4"-phosphorylates in good yields.

LA-47与氨基甲酰氯和磷酰氯反应,得到3个对应的5-4-TPS-AVB〓氨基甲酸酯或膦酸酯衍生物,产率良好。

Similarly, IVB〓 reacted with carboxylic acids in DCC/DMAP/DCM system to produce ten new 5-IVB〓 esters in 66-82% yield. AVB〓 or IVB〓 also reacted with carbamino chloride or phosphoryl chloride in IM/DMAP system to produce eight corresponding carbamates or phosphorylates in good yields.

阿维菌素B〓与氨基甲酰氯反应,合成了2个5-AVB〓氨基甲酸酯衍生物:阿维菌素B〓与膦酰氯反应,合成2个5-AVB〓膦酸酯衍生物;并改进了阿维菌素与酰氯的反应条件,缩短了反应时间,提高了产率和反应的选择性。

The structure of IC with wood and its constitutes was also studied by Fourier Transform Infrared Spectroscopy. It shows that the reaction of IC with lignin mainly produces carbamate, when lignin contains some water, produces weak carbamide; but the reaction of IC with wood powder produces weak carbamite, and with the wood powder containing water mainly produces carbimide.

对于异氰酸酯与木材及其组分反应产物的结构,论文采用傅利叶红外谱图进行了分析,结果表明,木素与异氰酸酯反应主要生成氨基甲酸酯,含水率较低时有少量取代脲产生;木粉与异氰酸酯反应生成的氨基甲酸酯较少,含水木粉与异氰酸酯主要生成取代脲。

Ferrocenecarboxylic-ssdeoxyribonucleic acid probe was made by chemically bounding FCA to terminal 5'-amino of oligonucleotide in the presence of a water-soluble carbodiimide. The hybridization reaction was conducted by immersing the immobilized-ssDNA electrode in FCA-ssDNA probe solution.

在偶联活化剂碳二亚胺的存在下,通过羧基二茂铁上的羧基与DNA分子上的氨基共价键合,将FCA标记在氨基修饰的寡聚核苷酸片段上,制备成FCA-ssDNA探针。

Flash pyrolysis of carbohydrazide picric acid,semicarbazide picric acid and aminoguanidie picric acid is conducted by using T-jump/Fourier transform infrared spectroscopy.

利用温度跃升傅里叶变换红外原位分析技术(T-jump/FTIR)对苦味酸碳酰肼,苦味酸氨基脲和苦味酸氨基胍的快速热分解过程进行了研究,利用快速扫描傅里叶变换红外光谱在线检测气相产物的种类及浓度变化趋势。

The invention is characterized in that the molecule of the polymer adsorption material has a structure in formula I: in the formula, R is selected from the natural polysaccharides with amino groups and hydroxyls and the derivatives thereof or the chemosynthetic polymers, the molecular weight of which is from 6 KD to 500 KD; X is selected from a C0 to C6 paraffinic chain with O atoms, N atoms or OH groups; R1, R2 and R3 are selected from a C1 to C4 alkyl group.

生物医学材料领域中的水溶性阳离子多聚物吸附材料及其应用,包括采用带有氨基或羟基的天然多糖及其衍生物或者化学合成多聚物季铵化反应合成,其特征在于该多聚物吸附材料分子具有式的结构:式中,R选自粘均分子量范围为6KD~500KD的带有氨基或羟基的天然多糖及其衍生物或者化学合成多聚物;X选自含有O原子、N原子或者OH基团的C 0 ~C 6 烷链;R 1 、R 2 、R 3 选自C 1 ~C 4 的烷基。

The synthesis of the intermediate amidetriazinone was a crucial step in the synthesis of triazinone. Ethyl acetate was used as the initial material then was carried out for five steps hydrazine hydrate, triphosgene, chloroacetone, hydrazine hydrate respectively with the yield of 59.8%.

三嗪酮类化合物的合成关键是中间体氨基三嗪酮,本文以乙酸乙酯为起始原料,经过酯的肼解、成环反应、胺的烷基化、酮和肼的缩合、酰胺的水解五步反应合成中间体氨基三嗪酮,其收率达59.8%。

Gold quantum dot arrays were self-assembled inside pore channels of ordered amino-functionalized mesoporous silica thin films, employing the neutralization reaction between chloroauric acid and amino groups.

利用氯金酸与氨基官能团的中和反应,在氨基化有序二氧化硅介孔薄膜中自组装了金量子点阵列。通过改变介孔的孔径在2.3nm至8.3nm间改变,能够控制量子点的尺寸随之变化。

Crystal by DTT into the protoxin with an end amino group; activation and derivation of abamectin to form abamectin-COONa with a carboxylic group; final bioconjugation by using amino-carboxylic conjugator EDC to achieve the substance combination of two biotoxins.

晶体进行酶解改造,形成带末端氨基的原毒素;将阿维菌素的羟基进行激活、衍生化,形成带羧基的阿维菌素衍生物(Abamectin-COONa);再利用氨基-羧基偶联剂进行两种生物毒素的生物耦合。

METHODS 5-amino-1-hydroxyethyl pyrazole-4-carboylic acid was synthesized through condensation of ethyl cyanoacetate and triethyl orthoformate followed by one-pot methodology of cyclization,hydolysis.

方法原甲酸三乙酯与氰乙酸乙酯缩合,然后和羟乙基肼经环合、水解等一锅法合成5-氨基吡唑-4-甲酸,然后在亚硫酸钠存在条件下加热脱羧得到5-氨基-1-羟乙基吡唑。

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