查询词典 radiation

In this experiment some factors such as the metal ion content, the power of microwave radiation, and the time of microwave radiation, the pressure and the volume ratio of solvent phase-to-oil phase were investigated.

随着汽车工业的发展和柴油机车应用的日益广泛，柴油机车尾气排放的NOx对空气的污染，已造成一些大城市空气污染由煤烟型过渡到机动车型[1]。

Heating boiler, burning device, complementing machine and control system for boiler; Heating radiator, temperature-controlling valve, hot measuring instrument and meter , electric heater , heat exchanger; Central hot water system , hanged heating stove , solar water heater , pot-type boiler , hygiene hot water equipment for bathroom and kitchen , heating equipment of sauna and swimming pool, etc.; Central heating technology and equipment, heat transmission equipment , geo-thermal energy heating equipment , floor radiation heating equipment , exothermic cable heat equipment , electro thermal membrane heating equipment , radiation heating equipment ,etc.

采暖供热锅炉、燃烧器、锅炉辅机及控制系统；采暖散热器、温控阀、热计量仪器仪表、电热器、换热器；中央热水系统、采暖壁挂炉、太阳能热水器、家用热水器、浴室厨房卫生热水设备、桑拿游泳池供热设备等；集中供热技术及设备、换热设备、地热供热采暖设备、地板辐射供暖设备、发热电缆供暖设备、电热膜供暖设备、辐射采暖设备等。

In order to obtain more exact analytical solution to study the output characteristics of double-clad fiber lasers,according to the continuous-wave rate equations of fiber lasers,using typical parameters of double-clad fiber lasers,the contribution of the re-emission effect arising from the interaction between the upper-level atoms and pump light was estimated.Taking into account the predominant part of the re-emission to improve the accuracy of the integration approximated rate equations,the integration of the product of the loss and radiation should be found and explicit analytical expressions for the output of the DCFLs and gradient efficiency of the pump radiation,were deduced,and certain issues of concern were discussed.

为了求得用于研究双包层光纤激光器输出特性的更为精确的解析解，根据稳态速率方程组，针对典型的双包层光纤激光器参量，在估计了上能级粒子再发射项和抽运光产生的影响后，采用保留再发射贡献主导部分的办法以提高可积分近似方程的精确度，明确地提出了要获得光纤激光器输出功率的解析表达式的关键在于求出损耗系数与光场乘积的积分值，简洁地求得了输出功率和抽运光斜线效率的显函数解析表达式，并对其相关问题进行了讨论，以915nm，920nm和975nm的抽运光为例，当输出激光为1090nm时，得出975nm抽运光产生的斜率效率最高并可高达约87%。

They also say that since the dangers of radiation were less well-understood then than they are now, even researchers who used high doses of radiation didn't do anything wrong.

他们还表示，由于辐射的危险是不充分理解当时比现在，研究人员甚至谁用高剂量的辐射并没有做任何错事。

Connecting the theoretical analysis with the experimental results, reveals that the theory established here not only can describe the radiation induced trap law well, but also can evaluate the relation between the radiation life and the relevant parameters.

结合实验结果可以看到，所建理论不仅可以很好地描述实验结果的规律性，而且可以估计出辐照作用下介质的寿命（也即介质耐辐照所能吸收的极限剂量）及其与有关参数之间的联系。

By means of FDTD method, the model of computing the radiation of carbon nanotubes/polyethylene wax-coated mobile phone to human body is established. The influences of carbon nanotubes on mobile phone radiation deduction and communication performance are analyzed.

采用FDTD数值模拟方法，建立了涂敷有碳纳米管／聚乙烯蜡吸波材料的手机辐射对人体影响的计算模型，分析了碳纳米管材料对降低手机辐射剂量功率比吸收率SAR值及手机通信性能的影响。

According to RS model, radio radiation come from the coherent curvature radiation, and the coherent mechanism is the two-stream instability produced by that primary particles move through the second generation particle plasma.

根据RS模型，射电辐射来自于第二代粒子的相干曲率辐射，而相干机制则是原初粒子穿过第二代粒子组成的等离子体时形成的双流不稳定性。

The numerical results show the two-stream instability of two electron beams can produce Cherenkov radiation through the interaction between the fast space charge wave and the slow space charge wave, and the frequency of radiation can be above the plasma frequency.

通过快慢空间电荷波的相互作用，两电子注引起的双流不稳定性可以产生契伦柯夫辐射；当等离子体频率超过双注相互作用的频率范围后，可以大大加强和改善等离子体、两电子注三者之间的相互作用。

The stray radiation implies the radiation energy of the unwanted rays reaching the detecting surfaces, whose harm is to lower the imaging quality of the optical system.

杂散辐射是指光学系统中扩散于探测器表面的非目标光线辐射能，其危害性在于降低光学系统的成像质量。

Is one: the petrochemical, chemical, metallurgical, mechanical, electrical, pharmaceutical, light industry and the nuclear industry and other professional services industries, the production of material specifications, heat-resistant steel, resistance Steel mill heat-resistant alloy steel, rare earth wear-resistant steel, high-pressure high-temperature nickel chromium alloy steel: Steel Casting products, high temperatures centrifugal cast pipe casting, centrifugal cast pipe (casting thickness: 5 mm ---- 60mm, outside Drive: 50 mm ---- 1600mm, single-tube products such as super-6 m diameter size of the cast pipe products) tube, cracking furnace tube, and into the furnace, the furnace tube radiation, radiation control, the loser of the ash, the reaction of various Furnace roll, roll bottom, the furnace roll, sank roll, roll stability, and various types of precision casting fixture, heat-resistant steel castings, and Steel Plant for Hot Piercing Plug casting, casting industrial furnace, heat treatment furnace industrial castings , Heat-resistant castings, wear-resistant steel castings, various types of chemical process pumps, plastic alloy centrifugal pump fluoride, fluoride alloy pump, stainless steel pumps, valves, pipe, steel-lined composite of various pieces, all kinds of PTFE Plastic pipe, fin tube heat exchanger, paper, chemicals, light industrial and textile enterprises such as air-conditioning GL Ⅱ type, U-radiators, welding a variety of stainless steel, alloy steel, carbon steel, high-frequency finned tube , Studded tube, sawtooth-shaped fin, and other products of the manufacturing enterprises.

靖江市舒尔机械制造有限公司是一家为：石化、化工、冶金、机械、电力、制药、轻工和核工业等行业服务的专业公司，生产各种材质规格的，耐热钢、耐磨钢耐热合金钢、稀土耐磨合金钢、高温承压高镍铬合金钢：特钢铸造制品、耐高温离心铸管铸件，离心铸管（铸造壁厚：5mm----60mm、外径：50mm----1600mm，单管制品长6m等超大径的铸管制品尺寸）炉管、裂解炉管、转化炉管、辐射炉管、辐射管、输灰管、反应管、各种炉辊、炉底辊、炉内辊、沉没辊、稳定辊、及各类精密铸造工装夹具，耐热钢铸件，钢管厂用热轧穿孔顶头铸件、工业炉用铸件，热处理工业炉用铸件，耐热铸件，耐磨钢铸件，各类化工流程泵，氟塑料合金离心泵，氟合金泵，不锈钢泵、阀门、管件、各种钢衬复合管件，各类聚四氟乙烯塑料管件，翅片管换热器、造纸、化工、轻纺等企业的空调GLⅡ型，U型散热器、焊接各种规格的不锈钢、合金钢、碳钢等，高频翅片管、钉头管、锯齿形翅片管等产品的生产企业。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐