查询词典 materials control

First, some critical problems in crystal growth like crystal seeding, Zn dephlegmation, geometrical selection and temperature fields are discussed in theory, and the possible kinds of defects appeared in crystal growth progress and the reasons are carefully researched. To control the concentration of Cd vacancies, a new method by which the Cd vacancies were compensated with excess Cd in the Cd rich starting materials has been developed, and a new kind of two-area tube furnace with good linear temperature distribution was designed.

首先，本文从理论上对坩埚下降法生长碲锌镉单晶体中的成核、Zn分凝、几何淘汰生长与温场等关键性问题进行了讨论，对在生长过程中可能出现的各种缺陷类型和形成原因进行了详细分析，提出了碲锌镉单晶体生长过程中Cd空位缺陷控制原理及方法，并针对坩埚下降法生长特点自行设计了两区域独立加热管式生长炉，获得具有较好线性分布的温场。

The rather amount of dichloroacetic acid not only enhances consumption of raw materials, but also increases the cost, with the difficulty to separate it from the product later the quality of products drops. Dichloroacetic acid is of a few uses causing the huge waste of the fund and equipments.To control the dichloroacetic acid coming out and decrease the consumption o

通过大量实验，对反应精馏技术的原理进行了理论研究，从中探索得出反应精馏法合成氯化节、氯乙酸等有机氯化物的工艺路线，为氯化节和氯乙酸的生产提供了一条新的生产工艺，为反应精馏技术应用的理论研究拓展了新的内容，并为工程设计提供了基本数据。

Taking the seedlings of Dodonaea viscosa, Leucaena leucophala and Tephrosia candida as experimental materials, through drought stress treatment on pot seedlings with watering treatment group as control, the changes of leaf relative water content, relative plasma membrane permeability and proline content under drought stress were studied.

以金沙江干热河谷主要造林树种坡柳、银合欢和山毛豆的苗木为实验材料，通过盆栽苗自然干旱胁迫，同时以浇水处理为对照，探讨了干旱胁迫下3树种苗木叶片的相对含水量、质膜透性以及脯氨酸含量的变化情况。

Entomogenous fungi are an important group of biological control materials and hold the balance of management of aphids.

病原真菌作为一类重要的生防资源，在蚜虫的微生物治理中占有举足轻重的地位。

The fundamental cause of intense soil erosionpersist in erodible surface materials.Erosion control does not only reducesediment,but also erosion environment harnessing are taken as view ofdiscussion.

风蚀水蚀交错带侵蚀强烈的根本原因在于本区下垫面物质的易蚀性，矿区侵蚀的治理不能仅限于减沙，应以侵蚀环境系统整治为出发点。

Now it is used in many branches in our nation including the department of agriculture, foresty, national resources , city construction and so on.Some of the existed national control networks of different precision rate or local areas based on the traditional surveying methods have played an important role in our national lives at the large costs including manuals, fianances and materials.

利用常规大地测量方法布设的各级国家大地控制网和以此为基准布设的各级地方控制网或地方独立网，是结合当时我国最高测绘技术水平，在花费了大量的人、财、物的基础上，建立的重要基础性测绘资料，为我国国民经济发展和社会各项建设事业发挥了重要作用。

These SRMs are single component solutions prepared gravimetrically for use in anion chromatography or any other technique that requires aqueous standard solutions for calibration or control materials.

这些标准粒子是单组分的，在重量方面用于阴离子色谱或任何其他技术，需要进行校准或控制水标准的解决方案材料。

The new gemplasms of the sweet corn which were transferred and bred by our country were used as experimental materials to study the biochemical constitution,the heterotic rate and genetic control.

以我国自己转育成的甜玉米新种质为材料，研究甜玉米的生化成分、优势率和遗传控制。

In the development of the FOG, OFDA has drawn on several sources for information, including: the United Nations High Commissioner for Refugees Handbook for Emergencies; the United Nations Office for the Coordination of Humanitarian Affairs United Nations Disaster Assessment and Coordination Field Handbook; the World Health Organization booklet New Emergency Health Kit; the United Nations Children's Fund handbook entitled Assisting in Emergencies; the U.S. State Department's Bureau for Population, Refugees, and Migration Assessment Manual for Refugee Emergencies; the U.S. Public Health Service Handbook of Environmental Health; reference materials from the Centers for Disease Control and Prevention, the University of Wisconsin's Disaster Management Center, and InterWorks; USAID policies and directives; information from the Office of Food for Peace; and OFDA procedures, files, and staff expertise.

手册》的发展过程中，对外灾难援助办公室采用了几个信息来源，包括：联合国难民事务高级专员的应急手册；联合国人权事务协调处的联合国灾害评估和协调手册；世界卫生组织手册中的新急救工具包；联合国儿童基金手册中辅助急救的部分；美国人口、难民和劳工局难民紧急需求评估手册；关于环境卫生的美国公共卫生服务手册；来自如威斯康星州大学灾难管理中心和INTERWORKD 等灾难控制和预防中心；美国国际发展局国外灾难救援办公室的指导方针；食品与和品办公室的资料信息以及美国对外灾难援助办公室的程序、文件和专家意见。

In the development of the FOG, OFDA has drawn on several sources for information, including: the United Nations High Commissioner for Refugees Handbook for Emergencies; the United Nations Office for the Coordination of Humanitarian Affairs United Nations Disaster Assessment and Coordination Field Handbook; the World Health Organization booklet New Emergency Health Kit; the United Nations Children's Fund handbook entitled Assisting in Emergencies; the U.S. State Department's Bureau for Population, Refugees, and Migration Assessment Manual for Refugee Emergencies; the U.S. Public Health Service Handbook of Environmental Health; reference materials from the Centers for Disease Control and Prevention, the University of Wisconsin's Disaster Management Center, and InterWorks; USAID policies and directives; information from the Office of Food for Peace; and OFDA procedures, files, and staff expertise.

手册》的发展过程中，对外灾难援助办公室采用了几个信息来源，包括：联合国难民事务高级专员的应急手册；联合国人权事务协调处的联合国灾害评估和协调手册；世界卫生组织手册中的新急救工具包；联合国儿童基金手册中辅助急救的部分；美国人口、难民和劳工局难民紧急需求评估手册；关于环境卫生的美国公共卫生服务手册；来自如威斯康星州大学灾难管理中心和INTERWORKD 等灾难控制和预防中心；美国国际开发署的指导方针；食品与和平办公室的资料信息以及美国对外灾难援助办公室的程序、文件和专家意见。

The basic concept of FOP can be summarized as to further optimize effective prescription according to the standard of curative effects and with the aid of modern science and technology and theories of traditional Chinese medicine.

其基本内涵可概括为：以确有疗效的中药复方为研究对象，以现代科学技术和传统中医药理论为技术支持，以该复方所治病证的药效响应为评价标准，以优化重组疗效更优的新复方为研究目的。

Ever since our world has been a world, native forests have been indiscriminately exploited by man.

自从我们的世界一直是世界原生森林被任意剥削人。