化学的

The chemical composition,petrographic analysis and dispersing property of kinds of bauxitic clay are compared.

对比研究了几种铝矾土学组成、相组成和分散性能。

Objective To explore the method of chemical synth esis of L-alanyl-L-glutamine dipeptide.

目探讨L-丙氨-L-谷氨胺双肽学合成方法。

The new chemistry lab was paid for by friends of the college.

新学实验室是由学院资助者出钱建。

Nicotine has been studied for the first time by pulse radiolysis techniques.

摘要首次运电子脉冲辐解技术研究尼古丁分子学活性。

A catalyst is a substance which speeds up a chemical reaction.

催剂是一种能加速学反应物质。

Keto-enol tautomerism is the most common tautomery phenomenon.Keto -enol themselves are the real chemical substance.

酮及烯醇互变是互变作最现象,它们都是真实学实体。

The chemical modification methods of food proteins are summarized,including acylation,deamidation,phosphorylation,glycosylation,covalent cross-linking effect etc.

综述了作、胺作、磷酸作、糖基作、共价交联作等食品蛋白质学改性技术及方法。

The soil has been poisoned with chemical waste from the factory.

土壤被从工厂排出学废料污染了。

I have only a rudimentary knowledge of chemistry.

我只有些粗浅学知识。

Semimetallic chemical element, chemical symbol B, atomic number 5.

半金属学元素，学符号B，原子序数5。

As Mr. Sinclair was ill, Mr. Cook substituted as our teacher of chemistry.

由于辛克莱先生病了, 库克先生代任我们学老师。

To avoid the argument, we employed thiophosphate chemistry in the repair patch mapping.

为了避免此项疑虑，因此改含硫磷酸学方法来探讨可能修复路径。

Chemicals in the body break our food down into useful substances.

人体中学元素把食物分解成有物质。

We imagine using an anticatalyst to "freeze out" any chemical reactions in the system.

可想象利一种反催剂使体系内任意学反应“冻结”。

Red-green color blindness is also called Daltonism, after English chemist and physicist John Dalton.

红绿先天性色盲也叫「达顿症」，其得名于身患此症英国学与物理学家达顿。

Chemically treated hair can become dry and brittle.

经过学处理头发会变得焦脆。

Electroless plating method is applied to metallize the AlN sbstrate.

应学镀镍方法实现了氮铝金属。

This paper reviews the research and development of phosgene Derivates,including diphenyl ketone,chlorocarbonate,isocya-nate,acyl chloride and carbonates.

本文综述了光气下游精细学品开发及生产进展,包括二苯甲酮类、氯代甲酯类、异氰酸酯类、氯类、碳酸酯类合物。

As a new subject,sonochemistry had been applied in many chemistry and chemical industry fields.

声学作为一门新学科,已经广泛应于学及工领域。

The fundamentals of inorganic chemistry are very important.

无机学基础很重要。