"结构" 的英语翻译

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"结构" 的相关翻译

摘 要：PLC控制现已成为大多数中小规模控制的基本手段和重要的方式，用于实时控制的逻辑控制器，结合了计算机应用技术、工业自动控制技术、PROFIBUS通讯技术发展而来的新型工业控制设备。本次研究主要是PLC在现代企业中的实际应用，虽然较之于DCS控制系统还存在一定的差距，但PLC有着结构简单、程序编写和修改方便、可靠性高等优点，在用于工业过程控制和位置自动控制中，并且在工业企业发展中已发挥着巨大的作用。关键词：压力变送器、、继电器、存储器、微处理器、可编程控制器用英语怎么说? Abstract: PLC control has become the basic means and important way of most small and medium-sized control. The logic controller for real-time control is a new industrial control equipment developed from the combination of computer application technology, industrial automatic control technology and PROFIBUS communication technology. This research is mainly about the practical application of PLC in modern enterprises. Although there is still a certain gap compared with DCS control system, PLC has the advantages of simple structure, convenient programming and modification, high reliability, etc. it has been used in industrial process control and position automatic control, and has played a huge role in the development of industrial enterprises. Key words: pressure transmitter, relay, memory, microprocessor, programmable controller

监测技术总体发展趋势概括起来以下6个方面: (1)以目前人工采样、实验分析,数据统计为主,向自动化、智能化和网络化为主的监测方向发展; (2)由监测劳动密集型向技术密集型方向发展;(3)由小范围领域监测向全方位领域监测的方向发展;(4)由单纯的地面监测向与遥感监测相结合的方向发展;(5)监测仪器将向高质量、多功能、集成化、自动化、系统化和智能化的方面发展;(6)监测仪器性能向物理、化学、生物、电子、光学等技术综合应用的高技术领域发展。　　生物监测技术发展较快,生物技术是利用植物和动物在污染环境中所产生的各种反映信息来判断环境质量的方法,这是一种最直接也是一种综合的方法。生物监测包括生物体内污染物含量的测定,观察生物在环境中受伤害症状,生物的生理生化反应,生物群落结构和种类变化等手段来判断环境质量。如:利用某些对特定污染物敏感的植物或动物,在环境中受伤害的症状,可以对空气或水的污染作出定性和定量的判断。用英语怎么说? The overall development trend of monitoring technology can be summarized in the following six aspects: (1) based on the current manual sampling, experimental analysis and data statistics, it is developing in the direction of automation, intelligence and networking; (2) From monitoring labor-intensive to technology intensive; (3) From small-scale field monitoring to all-round field monitoring; (4) From simple ground monitoring to the combination of remote sensing monitoring; (5) Monitoring instruments will be developed to high quality, multi-function, integration, automation, systematization and intelligence; (6) The performance of monitoring instruments is developing to the high-tech field of comprehensive application of physics, chemistry, biology, electronics, optics and other technologies. Biological monitoring technology has developed rapidly. Biotechnology is a method to judge environmental quality by using all kinds of reflection information generated by plants and animals in the polluted environment, which is the most direct and comprehensive method. Biological monitoring includes the determination of the content of pollutants in organisms, the observation of biological injury symptoms in the environment, biological physiological and biochemical reactions, biological community structure and species changes, and other means to judge the environmental quality. For example, some plants or animals sensitive to specific pollutants can be used to make qualitative and quantitative judgments on air or water pollution by using the symptoms of injury in the environment.

一、环境监测的概念　　环境监测是对环境质量进行评估的重要手段，也是进行环境执法的重要依据。以前，环境监测仅限于对放射性物质的监测，随着工业的发展和环境污染的加剧，此后，环境监测的范围逐渐扩大，包括对环境质量、环境污染等的监测。环境监测的一般流程是现场调查、布点、收集样品、处理与保存样品、分析测试、数据处理、综合评价。对数据进行分析和处理之后，往往还需要进行评价，并写出相关的报告，为以后进行相关的工作提供合理的依据。　　二、环境监测技术及发展趋势　　目前监测技术主要包括采样技术、测试技术和数据处理技术三个方面,其中测试技术最为基础,任务是对环境样品中污染物的组成进行鉴定和测试,并研究在一定历史时期和一定空间内的环境质量的性质、组成和结构。主要监测技术内容包括:大气环境监测、水环境监测、土壤环境监测、固体废弃物监测、环境生物监测、环境放射性监测和环境噪声监测等。用英语怎么说? 1、 Concept of environmental monitoring Environmental monitoring is an important means to evaluate environmental quality and an important basis for environmental law enforcement. Previously, environmental monitoring was limited to the monitoring of radioactive substances. With the development of industry and the intensification of environmental pollution, the scope of environmental monitoring has gradually expanded, including the monitoring of environmental quality and environmental pollution. The general process of environmental monitoring is on-site investigation, distribution, collection of samples, treatment and preservation of samples, analysis and testing, data processing, and comprehensive evaluation. After analyzing and processing the data, it is often necessary to evaluate and write relevant reports to provide a reasonable basis for related work in the future. II. Environmental monitoring technology and development trend At present, the monitoring technology mainly includes three aspects: sampling technology, testing technology and data processing technology. The testing technology is the most basic. Its task is to identify and test the composition of pollutants in environmental samples, and study the nature, composition and structure of environmental quality in a certain historical period and in a certain space. The main monitoring technologies include: atmospheric environment monitoring, water environment monitoring, soil environment monitoring, solid waste monitoring, environmental biological monitoring, environmental radioactivity monitoring and environmental noise monitoring.

不定形耐火材料是服务于高温技术的基础材料，同时也是各种热工设备的结构材料及功能性材料，所以耐火材料的生产具有良好的发展前景。本设计介绍了加热炉浇注料的生产流程及生产车间设计方案，以三级高铝矾土、水泥和高铝粉为主要原料，以硅微粉为结合剂，并加入少量减水剂六偏磷酸钠来生产加热炉浇注料。确定了生产班制，按照原料配比对其进行了物料平衡计算。根据物料平衡计算结果及各种原料的性能特点对该生产车间所用生产设备进行了详细的选型计算，并对其原料仓库进行了布置，确定了生产车间内的控制室、配料仓、混合设备、起重机及包装机的具体放置位置。在以上工作的基础上绘制了年产八万吨加热炉浇注料总平面布置图、车间平面布置图及相应的纵横剖面布置图。用英语怎么说? Amorphous refractories are not only the basic materials serving high temperature technology, but also the structural and functional materials of various thermal equipment, so the production of refractories has a good development prospect. This design introduces the production process and workshop design scheme of the castable for the heating furnace. The castable for the heating furnace is produced with three-level high alumina bauxite, cement and high alumina powder as the main raw materials, silica powder as the binder and a small amount of water reducing agent sodium hexametaphosphate. The production shift system is determined and the material balance is calculated according to the proportion of raw materials. According to the material balance calculation results and the performance characteristics of various raw materials, the production equipment used in the production workshop is selected and calculated in detail, the raw material warehouse is arranged, and the specific placement positions of control room, batching warehouse, mixing equipment, crane and packaging machine in the production workshop are determined. On the basis of the above work, the general layout of castable for heating furnace with an annual output of 80000 tons, the layout of workshop and the corresponding vertical and horizontal section layout are drawn.

前期难点在于整体产品线风格及ID定位，后期难点在于电器功能定义和结构设计及成本控制。主要方法是行业分析、跨界技术应用、专业团队评估、头脑风暴，最终实现项目风险可控用英语怎么说? The difficulty in the early stage lies in the overall product line style and ID positioning, and the difficulty in the later stage lies in the electrical function definition, structural design and cost control. The main methods are industry analysis, cross-border technology application, professional team evaluation and brainstorming, so as to finally control the project risk

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