本文从几个方面介绍了外来务工人员面临的健康威胁。
This article describes several aspects of threats to migrant-workers' health.
从焊接材料的选用，焊前预热、焊接过程和焊后热处理的控制几个方面，着重介绍了ZY6400/12.5/28型液压支架的焊接工艺。
The paper introduces welding technology of type ZY6400/12.5/28 hydraulic support, from several respects of selecting materials preheat before welding, welding process and so on.
介绍了数字图像处理技术的背景和意义，从几个方面说明了图像处理的过程和技巧。
This paper introduces the background and significance of digital image processing technology, and illustrates the procedures and techniques of image processing from several aspects.
从微生物浸铜、铀、金及其他金属几个方面介绍了生物浸矿技术的研究状况，展望了生物浸矿技术的发展前景。
In this paper research on this technology is conducted in several aspects, such as bioleaching copper, uranium, aurum, and other metals the development prospects are forecasted.
通过介绍有关数据库查询优化技术，从几个方面来具体阐述SQL优化查询的实现方法。
This paper introduces the technique about the optimization of database query, and gives implementation methods with the SQL statement from some aspects.
从项目决策阶段、设计阶段、招投标阶段、施工阶段，竣工结算阶段等几个方面对建设工程造价控制做了介绍。
The paper introduces how to control the cost of construction works from item decision-making phase, design phase, tender phase, construction phase and settlement phase.
介绍了锦纶66弹力丝的纺丝工艺过程，从切片干燥、纺丝温度、组件、侧吹风、集束点位置、上油等几个方面对工艺进行了分析探讨。
The process of spinning nylon 66 elastic yarn are introduced, and the technologies are studied from the aspects of chip drying, spinning temperature, spinpack, cross air blow and oil finish.
第二章从体裁、题材、表演形式和风格流派几个方面，介绍徐州琴书的基本概貌。
The second chapter introduces the basic profile of Xuzhou story-telling opera from the aspects of genre, subject, performance style and different schools.
文章从系统的设计、功能和实现等几个方面介绍了该系统的研发过程。
The article expatiates the development process of the system from its design, function and construction aspects.
论文着重从以下几个方面进行介绍：首先从背景知识谈起，明确了框架的概念和优点：介绍了构件、领域工程等技术，以及这些技术与框架的关系；
This thesis starts with an introduction of the background knowledge and the framework reuse technology and its advantages followed by a description of component reuse, domain engineering and so on.
为孟加拉国制造的BR集装箱平车采用的是真空制动装置。本文从结构形式、理论计算、试验使用等几个方面作了介绍和分析。
The vacuum braking equipment is applied on the br Bangladesh Railway container flat car. Such aspects as structural form, theoretical calculation, test and application are introduced and analyzed.
从涂层用原材料、制备方法、涂层特点等几个方面介绍了耐磨陶瓷涂层的近期研究进展及发展趋势。
The recent development and progress of wear resistant ceramic coating are discussed in coating raw material, preparation methods, coating characteristics and so on.
第四章从部门分布、作者省籍分布、时代分布等几个方面对西北文献总体情况进行了分析，并对西北作者及作品进行了介绍；
Fourth chapter has carried on the analysis to the northwest documents overall situation, such as the author place of birth distribution, the time distribution from the department and so on.
从反应原理、实验难易程度、时间长短、灵敏度等几个方面介绍了己内酰胺定性、定量鉴定的各种方法。
Various methods for the qualitative and quantitative identification of caprolactam are introduced from the experiment, length of time and its sensitivity.
介绍宁夏化工厂在夏季为改善尿素产品外观质量、提高尿素产品粒度，从设备、工艺等几个方面所采取的措施及收到的效果。
Ningxia Chemical Works took effective measures in terms of process and equipment to improve the appearance and the granulation of urea product in summer.
该文从分析方法，理论依据，解释方法、应用效果等几个方面进行了简要的介绍。
The paper gives a brief introduction in analysis, method, theoretical sources, interpretation procedure and application result.
从其焊接设备的要求、 保护气体以及其熔滴过渡控制、焊接过程等几个方面，详细介绍双丝MAG焊的工艺及其特点。
This article illuminates the process and characteristic of double-wire MAG welding from requirements of welding machine, gas, metal transfer control and welding process.
方法：从药动学、抗炎、镇痛及胃肠道毒副作用等几个方面介绍。
METHODS:They were introduced from the aspects of pharmacokinetic, antiinflammatory potency, analgesic efficacy, and gastrointestinal toxicity.
从鲜切果蔬生理生化反应、营养成分变化、微生物侵染等几个方面阐述了影响其品质的若干因素，对当前已实施的几种实用保鲜技术作了介绍。
The paper discusses the factors affecting the quality of fresh-cut fruits and vegetables from the aspects of physiological and biochemical reactions, nutrition changes and microbial infection.
本文从亚硝酸盐的来源、危害和控制几个方面论述，通过对亚硝酸盐相关知识的介绍加强人们对其危害的认识。
This paper discusses nitrite from three aspects, that is, its source, hazards and control. And relevant knowledge of nitrite is introduced to raise people's awareness of its hazards.
着重从纺织几何学模型的建立、三维纺织复合材料的细观力学分析、实验研究和强度分析等几个方面介绍了三维纺织复合材料的力学性能研究的进展情况。
Of particular interest is the setting-up of the textile geometry model, the micromechanical analysis of the three-dimensional textile composite, experiment research and strength analysis.
本文从项目教学法的起源、理论基础、基本特征、基本内容，以及中外关于该教学法的研究等几个方面对“项目教学法”进行了介绍。
First, the "Project Approach" is introduced from the aspects of its origin, theoretical foundations, basic characteristics, basic contents, and relevant researches home and abroad.
本章从培养计划的类型、目标、入学标准、资金来源、课程设置以及实施模式这几个方面对培养计划的实施现状进行了介绍。
This part mainly examined the type, objectives, admission criteria, sources of fund, curriculum and implementing modes of rural teacher preparation programs.
文章介绍公路隧道所采用的长大管棚超前支护的施工技术，从设计参数、作用原理、施工工序、进度情况、质量控制几个方面作了具体介绍。
The paper discusses the phenomena of the attack by ARP virus and its working principles, proposes testing and treating ways and introduces some currently popular defending methods.
本文从原料、设备与生产工艺等几个方面介绍了PPR管材生产和应用过程中应注意的问题。
Some problems of raw material, equipment and production technology etc. needing at tension for the production and applicant on of PP-R pipe were introduced in this paper.
以H- 8 0 0型透射电子显微镜为例，从电镜样品的制备、电镜操作及暗室操作几个方面入手，介绍拍摄出一张高质量的透射电镜照片的经。
Taking H-800 TEM for an example, considering from the production of TEM (Transmission Electron Microscope) sample, operation of TEM and operating in darkroom etc.
以H- 8 0 0型透射电子显微镜为例，从电镜样品的制备、电镜操作及暗室操作几个方面入手，介绍拍摄出一张高质量的透射电镜照片的经。
Taking H-800 TEM for an example, considering from the production of TEM (Transmission Electron Microscope) sample, operation of TEM and operating in darkroom etc.
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