初步设计

Present noise study and preliminary abatement design at public hearing as part of environmental document.

噪声的研究现状和公开听证会的初步设计，减少对环境文档的一部分。

Results predicted by this method are compared with experimental data and the accuracy of this method is found to be very good within the constraints of slender body theory. This method can quickly and accurately provide aerodynamic force coefficient for percept and preliminary design of the non-circular cross section missile.

经过对大量风洞实验模型的预测结果和实验结果的比较，表明该方法在细长体理论的范围内具有较好的精度，易于实现，可以为非圆截面导弹总体方案论证和初步设计阶段提供空气动力特性。

After introducing SAW gyroscopic effect and acoustooptical Bragg diffraction effect briefly, a measuring tiny angle plan with CCD is put forward. Some core technology to measure tiny angle are discussed.

在扼要说明了Ω调制布拉格衍射角的物理原理后，初步设计了布拉格衍射角的CCD测量系统并讨论了影响其测角精度的若干关键技术。

So the finite element method is applied to analyze the magnetic fields of the motor. And then some important parameters of the motor are calculated accurately, including flux leakage coefficient, computed pole embrace, and computed armature length and so on .

本文采用了场路结合的方法，首先利用磁路法对电机进行初步设计，然后建立有限元分析模型对电机的参数和性能进行精确分析，采用这样的方法不但可以满足精确性要求，同时可以缩短设计周期。

Li Yong'an, Three Gorges Project welcomed in three milestones in 2003, namely water filling of the reservoir, operation of the ship lock and power production of the generating unit; and further in September 2005, the 14 sets of hydro-turbine generating unit (700MW each) of the left-bank powerhouse were all connected on-line for power production; and in May 2006, approximate 10 months ahead of the preliminary design schedule and 2 years ahead of the expectation of the flood control performance, the Three Gorges Dam was completed and fully reached to its designed crest elevation of 185m, able to impound water with the whole structure of dam.

历任清江水电开发公司总经理兼湖北省人民政府副秘书长，中国三峡总公司副总经理。在李永安先生的领导下，长江三峡工程于2003年实现了蓄水、通航和发电三大目标，2005年9月左岸电站14台700MW水轮发电机组全部投产发电，2006年5月三峡主体工程大坝全线到达185米设计坝顶高程，具备全线挡水能力，工期比初步设计工期提前约10个月，提前两年发挥防洪能力。2006年10月，三峡水库蓄水至156米。

In the last part of the thesis, evaluation of fatigue strength and life in the positions of checking computations in the weldings of bearing load in box-shaped anchorage was made by referring to AASHTCK BS5400、 Eurocode.

分析结果表明，按照Eurocode规范分析的预期寿命较为保守，比由疲劳试验加载次数和荷载幅推算而得的最小疲劳设计寿命小，其分析方法可用于初步设计阶段的选型和初算。

According to the learning of the Power l Supplying Projet, the primary design is about the 10kv switch-substation, according to the load and demand of the supply electric system of factory, the design of the gather reduction voltage substation and distribution system, and the checking of the main electric apparatus, the protection and adjusting and the lightning protection of the main voltage changer and line.

开闭所继电保护设计*。本文通过对供电工程的学习，主要是针对10kV 开闭所进行初步设计。根据所提供的负荷及对供配电系统的要求，对主要设备进行选型校验，对主变压器、线路进行保护整定计算，对主、变线路进行防雷保护等。

It introduced the development survey of passenger/vessel ferry transport, analyzed the characteristics of performance and key of design of new type passenger/vessel ferry, and on the base of having collected a vast amount of data of existing ferries, emphasized on how to determine the main dimensions at preliminary stage of design.

本文介绍了国内外客滚运输发展概况，分析了新型客滚船的性能特点和设计重点，在搜集了大量实船资料的基础上，着重讨论了初步设计阶段中小型客滚船主要要素如何确定的问题。

The design choice for urban sewage treatment plant in the preliminary design.

本设计选题为城市污水处理厂的初步设计。

This method is credible and can be used to estimate the resistance and engin...

该方法计算结果可靠，可作为初步设计阶段估算阻力和主机功率之用，也为该船型的研究和设计提供重要依据

Cynanchum Lingtai apricot production in the average weight 65 grams, the brightly-colored fruit, juicy rich, sweet-sour taste, sweet from the nucleolus, when the late Qing Dynasty famous Shaanxi, Gansu provinces, the Qing imperial court Tongzhi tribute for years.

灵台生产的牛心杏平均单果重65克，果实色泽鲜艳，汁多味浓，甜酸适口，离核仁甜，清末时就驰名陕、甘两省，清同治年间曾为朝廷贡品。

Chenopodium album,Solanum nigrum, and Amaranthus retroflexus were very susceptible to the herbicides. Polygonum persicaria and Abutilon theophrasti were relatively less susceptible to the herbicides, and Lycopersicon esculentum was not susceptible to it. The relationship between reduction rates of weed biomass and PPM values of weed leaves 2,4, and 6 days after treatment was established.

供试的6种杂草对该混剂的敏感性存在显著差异：红心藜Chenopodium album、龙葵Solanum nigrum和反枝苋Amaranthus retroflexus对该混剂最敏感，ED90值分别为47.65、71.67和29.17g/hm2；春蓼Polygonum persicaria和苘麻Abutilon theophrasti敏感，ED90值分别为96.91、114.20g/hm2；而番茄不敏感。