查询词典 succinic

Kinds of organic acids (pyruvic acid, malic acid, lactic acid, acetic acid, citric acid and succinic acid) presented in beer were intensively studied in this paper.

本文以对啤酒质量有重要影响的6种有机酸(丙酮酸、苹果酸、乙酸、乳酸、柠檬酸和琥珀酸)为研究对象，确定了淡爽型啤酒的最佳有机酸组成，并研究了酿造过程中有机酸的变化及影响因素。

Analysis of the treated aqueous solution was conducted with GC-MS,and the main intermediates during phenol degradation were isobutyric acid,malonic acid,benzoquinone,butenoic acid,oxalic acid,maleic acid,succinic acid,hydroquinone,catechol and resorcin.

利用GC-MS分析了苯酚降解主要中间产物为异丁酸、丙二酸、对苯醌、丁烯酸、乙二酸、顺丁烯二酸、丁二酸、邻苯二酚、对苯二酚及间苯二酚等，并据此推测了苯酚电催化氧化的可能反应途径。

The hemisuccination process and kinetics ofβ-sitosterol and stigmasterol with succinic anhydride were studied, respectively.

为植物甾醇琥珀酸酯化反应过程和植物甾醇琥珀酸酯化产物的分离与精制过程的工业化提供理论指导和技术参数。

Results: Temporary quality criteria was established that TLC of β-sitosterol and succinic acid should be positive,guanosine content should be not lower than 0.004 mg/g.

结果：暂定姜半夏的β-谷甾醇和琥珀酸的薄层层析结果应呈阳性，鸟苷的含量不得少于0.004 mg/g。

Methods: Take β-sitosterol,succinic acid and guanosine as targets,quality criteria was studied on collected Rhizome Pinelliae Preparata by TLC and HPLC.

以β-谷甾醇、琥珀酸和鸟苷为指标，采用薄层层析法和高效液相色谱法对收集的姜半夏进行质量标准研究。

In high selectivity enrichment culturing process and rapid screening procedure, the succinic acid producers with starchness and saccharide were isolated from bovine rumen.

本研究通过采用选择性较强的富集培养和快速准确筛选程序，从牛瘤胃中分离出适于淀粉质原料的琥珀酸产生菌，并进行相关的生理生化鉴定：通过紫外照射诱变育种得到琥珀酸高产突变株，优化培养基组成并确定最适发酵培养条件。

The hemisuccination process and reaction kinetics of stigmasterol with succinic anhydride using toluene as a solvent,pyridine as a catalyst were studied.

研究了甲苯为溶剂，吡啶为催化剂，豆甾醇与琥珀酸酐的酯化反应工艺和反应动力学。

The analysis of 1H NMR showed that the succinyl group was successfully conjugated to the amino group of chitosan molecule, and the degree of substitution of Suc-Chi values increased with increasing succinic anhydride/amino mole ratio or reducing the molecular weight of chitosan.

利用壳聚糖和琥珀酰酐反应合成了N-琥珀酰壳聚糖，1H NMR分析表明通过反应可在壳聚糖的侧氨基引入亲水性的羧基，增加琥珀酰酐／氨基的摩尔投料比或者选择分子质量较小的壳聚糖，有利于提高N-琥珀酰壳聚糖的琥珀酰化度。

Two artificial antigens Bz_HS_protein and Bz_SO 2_protein have been synthesized by the succinic anhydride_carbodiimide method and the sulfonyl chloride method separately.

用琥珀酸酐－碳二亚胺法和氯磺化法合成了毕兹的两种人工抗原Bz＿HS＿protein和Bz＿SO2＿protein。

Micellar electrokinetic capillary chromatography with indirect ultraviolet detection method for the separation and determination of several organic acids in cane vinasse , malonic,formic,tartaric,malic,succinic, glutaric,acetic,lactic and glutamic acids,were developed.

该法用于糖蜜酒精废液中有机酸的测定，结果令人满意，9种有机酸的样品加标回收率均在93%以上。

I am accused of being overreligious," she said in her quiet, frank manner,"but that does not prevent me thinking the children very cruel who obstinately commit such suicide.""

客人们在卡罗利娜·埃凯家里，举止就文雅一些，因为卡罗利娜的母亲治家很严厉。

Designed by French fashion house Herm è s, this elegant uniform was manufactured in our home, Hong Kong, and was the first without a hat.

由著名品牌 Herm è s 设计，这件高贵的制服是香港本土制造，是我们第一套不配帽子的制服。