查询词典 shielding

The preparation of electromagnetic shielding concrete adulterated short carbon fibers and graphite respectively have been introduced in this paper.

介绍了分别掺杂短碳纤维和石墨的电磁屏蔽混凝土的制备，研究了短碳纤维和石墨的含量对混凝土低频电磁屏蔽效能的影响，最后分析了短碳纤维的加入对石墨混凝土电磁屏蔽性能的影响机理，为将来设计高性能低频电磁屏蔽混凝土提供了依据。

Under the precondition of above analyses, this research compares the meteorite-stricken cases in planets and secondary planets of solar system, the "shielding" and "eroding" effect in aerosphere, the scale of small planets and movement rules, then briefly analyzes the basic reason of mass meteorite-stricken events occurred in earth history.

在上述分析的前提下，本研究从太阳系有关行星和卫星表面陨击现象对比，大气层的"遮蔽"和"侵蚀"作用，小行星的规模及运动规律等方面简要分析了地球历史上大规模陨击事件发生的基本原因。

Just imagine no need for the shielding against dangerous Alpha- Beta- rays, no need for high voltages and pollution of the environment caused by all the plastics and metal parts production.

试想想，没有对危险阿尔法屏蔽-β需要射线，无高电压，是所有的塑料和金属零部件的生产造成的环境污染的需要。

They are additionally covered with high-quality material for better shielding from oscillations caused by ambient noise.

为了更好地防止外部噪音产生的震动，它们另外覆盖着高质量的材料。

Our company specializes in electromagnetic compatibility and related products development and production, mainly provides anechoic chamber, installation and construction of shielding room, and the corresponding technical guidance and services for domestic customers.

公司成立以来，为了生产出高质量的产品，不断引进国外先进设备和仪器。现公司拥有冲床，磨床，折弯机，切割机等先进的数控设备十余部。一直以来，公司坚持以一流的管理，精湛的施工和良好的售后服务，赢得了较好的口碑。

Some problems that should be concerned or are often neglected in the design and construction of shielding enclosure and semi- anechoic chamber are presented.

介绍了屏蔽室和半电波暗室在设计和施工中需要注意的一些问题，例如：总体布局、供电照明、接地、通风、接口板、吸波材料选用、使用维护等。

It is also an anti-virus program, shielding you from e-mail worms like ILOVEYOU and Melissa.

也是抗病毒程序，保护你免遭象 ILOVEYOU 和梅丽莎那样的电子邮件虫。

Antoinette says the company's line of CNT sheets is finding application in electromagnetic shielding and antiballistic products.

Antoinette表示："我公司生产的碳纳米管片材系列可用在电磁屏蔽和反导弹产品中。"

For the production of Omron Elite Massage Apparatus; for the Japanese trading company loyalty Archaize CD production machines, mobile phone signal shielding and sound and other multimedia.

为亿利达生产欧姆龙按摩仪；为日本忠诚贸易公司生产仿古CD机、手机信号屏蔽器和多媒体音响等。

This paper designs shielding and guarding for the circuits, aimed to enhance the stability and reduce error. At last, this paper calibrate the system is using autocollimator and 12 edge glass, and gives the position error, repeatability and acceleration feature.

最后，本文对设计的测角系统进行了实验测试，实验和分析结果表明，本课题所设计的测角系统，其位置精度、测角重复性和加速度性能均满足系统设计要求。

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。