查询词典 shielding

In the inviting bid of shielding equipments, in order to make sure the safety and reliability of constructions float control price took the place of low price in biding. After open bid, the four parts of Line 1 phrase 1 all adopted soil pressure balance shield and turbid shield equipments from Germany Herrenknecht Co.Ltd, and the first drivage shielding equipment was named "Innovation".

在盾构设备的招标上，为了充分保证施工安全和可靠，并没有提倡低价中标，而是设了投标控制价，通过公开招投标后，成都地铁1号线一期工程四个标段均采用德国海瑞克的土压平衡和泥水盾构，并将第一台掘进盾构命名为&创新号&。

FDTD numerical analysis and experimental simulation were carried out to study the shielding effectiveness of following models: metallic cavity with aperture and reinforced concrete layer exposed to the EMP plane wave, solid and meshy ferromagnetic shielding materials exposed to transient magnetic fields.

采用FDTD法作数值分析、进行电磁脉冲模拟实验，研究了有孔缝金属腔体、钢筋混凝土层对平面波型电磁脉冲场的屏蔽效能及其影响因素；实壁及网状铁磁屏蔽体对脉冲磁场的屏蔽效能。

The HIRFL (heavy ion research facility in Lanzhou)will be used as the injector. For the shielding design of CSR, the secondary neutrons due to the ion beam loss,their spectra and angular distributions were estimated based on the experimental results. The dose equivalent outside the shielding surface and in the surrounding environment and the neutron skyshine dose equivalent were also estimated in this study.

为了CSR的屏蔽设计，本文利用现有的实验数据计算了由于束流损失产生的中子及其能谱、角分布，同时也估算了屏蔽体外表面的中子剂量、环境中子剂量及天空返照中子剂量。

Shielding is an important measure to restrain interference, at the same time,shielding effect is associated with earthing.

屏蔽是抑制干扰的重要措施，屏蔽体屏蔽效能的高低与屏蔽体的接地又有密切的关系。

Do not tell anyone about shielding experiments , and do not appear in public with " foil beanies " and obvious shielding .

不要告诉任何人关于防护试验，不要在公共场合出现&金属薄片&和明显的防护。

Do not tell anyone about shielding experiments, and don't appear in public with "foil beanies" and obvious shielding.

不要告诉任何人关于防护试验，不要在公共场合出现&金属薄片&和明显的防护。

The method of electroless nickel plating was used in this study, let Ni-P particle is suspended form the plating solution, therethrough spontaneous reaction use the alloy is clodding full of the Glass Fiber Woven Cloth, attach the Glass Fiber Woven Cloth have like alloy particle good conductivity, Improved the electric properties of this fibers and help improved high electromagnetic shielding, with Theromoset Resin mixture the conductivity filler graphite, composite with High Electromagnetic Shielding Composites.

摘要本研究使用无电极镀镍之方法，将粒子悬浮在电镀液中，籍由氧化还原反应使玻璃纤维不织布得到完整的包覆金属层，并赋予玻璃纤维不织布具有纯金属粒子一般优异的导电率，藉此提高纤维之导电性并且有助于增加遮蔽电磁波的能力与效果，再与热固性树脂并混入导电性填充材石墨粉墨，复合成具电磁波遮蔽之复合材料。

Performed tests based on seven kinds of important structural parameters which were wall thickness, shielding thickness, the radial wall shielding insertion depth, the width of the radial electrode, the electrode width, the relative dielectric constant of wall material and filler shield relative dielectric constant, and studied on structural parameters and the corresponding performances by RBF neural network, the optimization based on PSO was performed with the regression model.

该方法以敏感场整体灵敏度大小等系统性能为优化目标，基于管壁厚度、屏蔽层厚度、径向屏蔽插入管壁深度、径向电极宽度、电极宽度、管壁材料的相对介电常数、屏蔽层填充物相对介电常数7种重要的结构参数进行试验。应用RBF神经网络对多组结构参数以及对应的系统性能指标进行学习，得到回归模型，并应用粒子群算法进行寻优。

In recent years, lightning stroke is one of the important causes of the accidents that occur on transmission lines. With the increase of voltage grade of transmission line, the proportion of outages because of shielding failure also increases. Therefore, exactly evaluating lightning-withstanding level and shielding failure flashover rate of transmission line, is especially important for system service and stable operation.

雷击是引起线路故障的重要原因之一，随着电压等级的升高，由于绕击而引起的线路跳闸事故所占的比例也越来越大，因此准确评价线路的绕击耐雷性能对于电力系统的安全稳定运行有着重要的意义。

Accessories to industrial automation product development, design, production and marketing of our factory main products: all kinds of machine tools shield material, engineering plastics Tuolian, a new type of flexible PVC shielding, the organ -, Drum-and-armor, shielding shutter-stretching, Al-shaped protective screens, TL Steel Aluminium Tuolian bridge, the bridge closed all engineering plastics Tuolian, rectangular metal hose jacket, DGT-catheter sheath , Spiral strip sheathing, Machine Tool blowing litter board, T-hit block groove boards, adjustable plastic cooling pipe, S78 series of machine tools Sizing Block, Paixie, in addition to chip conveyor, Shu Songlian, all I Tools The full range of products company, the lowest price, prompt delivery.

山东宇鑫机械配件有限公司致力于工业自动化产品的开发、设计、生产和销售我厂主要产品有：各种材质的机床防护罩、工程塑料拖链、新型PVC柔性护罩、风琴式、圆桶式、铠甲式、卷帘式伸缩护罩、铝形防护帘、TL桥式钢铝拖链、桥式全封闭式工程塑料拖链、矩形金属软管护套、DGT型导管护套、螺旋钢带护套、机床导轨刮屑板、T型撞块槽板、可调塑料冷却管、S78系列机床垫铁、排屑器、除屑输送机、输送链、各种工量具我公司的产品品种齐全、价格全国最低、交货及时。

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。