1.
Ammonia has been one of the more difficult basic chemicals to synthesize.
氨曾是一个较难合成的基本化工原料。
2.
Direct piping aslw can be connected for the supply of some basic chemical materials due to being adjacent to Juhua Group Corporation.
对于一些基本化工原料，由于园区紧邻巨化集团公司，可以由管道直接延伸输送。
3.
Principles of Chemical Reaction Engineering
化学反应工程基本原理
4.
essential tools and materials; funds essential to the completion of the project; an indispensable worker.
基本的工具和原材料；完成计划的基本资金；一个不可或缺的工人。
5.
Provide a solid foundation in the fundamental and professional knowledge of the field of materials science and engineering.
教导材料科学与工程之基本原理及专业知识。
6.
Afforestation in multi-form is the fundamental way to develop raw material forest;
多元化造林是发展工业原料林的根本出路
7.
Research on the Basic Principles of Archives Work under Digital Background;
数字化背景下档案工作基本原则研究
8.
"Chemical Materials Co., Ltd."
化工原料有限公司/化工材料有限公司
9.
Risk Management of Our Country Basic Chemistry & Engineer Raw Materials in the Act for Business of Importation
我国基础化工原料代理进口业务中的风险管理
10.
Hytec Chemicals International Ltd
精密化工原料有限公司
11.
Optimation of Composition of Industrial Raw Material Medium on Bioconversion of Xylose to Xylitol by Yeast
微生物转化生产木糖醇中工业化原料培养基组成的优化
12.
Wood, resins and other forest products are the basic raw materials of several of the nation's largest industries.
木材、树脂和其它森林产品，是国内几个最大工业的基本原料．
13.
Distribution chemical fiber raw materials and products, thread, chemical raw materials and products( including dangerous goods), plastics raw materials and products.
经销化纤原料及产品、线、工原料及产品（含危险品）塑料原料及制品。
14.
An analysis is made of carbon monoxide shift conversion pro-cesses for different feedstocks, gasification processes and downstream pu-rification processes.
本文对采用不同的制气原料、制气工艺、后续净化工艺的一氧化碳变换工艺进行了分析。
15.
Basic Principles Governing Review Engagements
审查工作的基本原则
16.
Circumstance and Development of Medicine Chemical Industry and the Base of Chemical Raw Material of Medicine in China;
中国医药化学工业和化学原料药基地的现状和发展
17.
Cosmetics such as face creams, lipsticks and hair preparations are often based on petroleum.
化妆品如雪花膏、唇膏、洗发剂等，常用石油作为基本原料。
18.
combined costs of raw material and labor incurred in producing goods.
原材料和雇工费的综合成本。