查询词典 potassium acid carbonate

In order to promote the development of research work of 〓CO〓 breath tests in diagnostics as well as the popularization of clinical application of 〓CO〓 breath tests,〓C-labelling octanoic acid, palmitic acid, cholesteryl octanoate and tripalmitin were synthesized in this paper.

为了促进我国〓CO〓呼气试验诊断学研究工作的开展及其在临床应用上的普及，本论文一方面合成〓C-标记的辛酸、软脂酸、三软脂酸甘油酯和辛酸胆固醇酯，另一方面对其呼气试验的方法学和应用研究进行了初步的探讨。

Cholic acid and deoxycholic acid are main components of bile and have an important biological function in human body.

胆酸和脱氧胆酸是胆汁酸中的主要成分，是人体中重要的生物表面活性剂。

Polymers prepared from cholic acid can preserve some properties of cholic acid, such as facial amphiphilicity, chirality, reactivity of the side groups and capacity of self-assembling.

由胆酸合成的高分子化合物保持了胆酸的部分性质，如双亲性、手性、侧基反应活性和自组装性能等。

A salt or ester of chromic acid .A salt or ester of cyanic acid .

一种不稳定的酸，能从硫氰酸盐中提取。

Chlorogenic acid,chrysatropic acid and rutin in tobacco were analyzed using high performance liquid chromatography/photodiode array deteciton.

用高效液相色谱-二极管阵列检测器建立了烟草中绿原酸、莨菪亭、芸香苷同时测定的方法。

The main conclusions are as follows:The vitellin of Chrysopa septempunctata was extracted with 0.4mol/L NaCl and then precipitated in cold distilled water. Ion exchange chromatography and proteic gel recovery were used to purify it further. SDS-PAGE analysis shows that the vitellin is composed of two subunits, the large one 165kDa and the small one 46kDa.Then automatic amino acid analyzer was used to analyse amino acid composition of vitellin.

主要结论如下：用蒸馏水沉淀法对大草蛉的卵黄蛋白进行了初步纯化，而后又采用离子交换层析和蛋白胶回收的方法对卵黄蛋白进行了进一步的纯化；通过SDS-PAGE分析表明，大草蛉的卵黄蛋白由大165kDa和小46kDa两个亚基组成；用氨基酸自动分析仪对纯化后的卵黄蛋白进行了氨基酸组分分析。

To determine the content of Emodin and Chrysophanic Acid in Liuwei'anxiao Capsules by HPLC,using a column packed with C_ 18 and a mixture of methanol-0.1% phosphoric acid solution(85∶15) as the mobile phase,detection wavelength is 254nm.

采用C18柱，流动相为甲醇-0.1%磷酸溶液(85∶15)，检测波长为254nm。

At the low concentration level, the interaction of salicylic and cinnamic acid, salicylic and p-hydrobanzonic acid were additive.

在两因子互作效应分析中，因子间的增效或拮抗的互作效应取决与各因子在化合物中的浓度。

Objective: To use p-toluene sulfonic acid as the catalyst for the esterification reaction of cinnamic acid with isoamyl alcohol in liquid phase.

目的：以对甲苯磺酸为催化剂对肉桂酸与异戊醇的液相酯化反应进行研究。

In this paper,sand culture experiment was carried out to study the effect of cinnamic acid,p-hydroxybenzoic acid stress on photosynthesis of cucumber seedlings.

采用砂培试验研究了有机肥对外源自毒物质苯丙烯酸、对羟基苯甲酸胁迫下黄瓜光合作用的影响。

You can do some assertiveness training.

你可以进行一些自信训练。

We were well on the path to making a rear-wheel-drive global platform," says Mays."

我们正致力于建立一个后轮驱动的平台，"Mays这样说道。"