查询词典 sealed radioactive source

Both our short-wavelength type and near infrared detection types are hermetically sealed in a metal package with a clear glass window.

我们的短波长型和近红外检测类型都密封在一个带有透明玻璃窗口的金属封装中。

To render an infusion permanently barren, it must be sealed hermetically and boiled

要长久保持浸液的无生命状态，必须密封和煮沸。

In food applications, the packages are almost always hermetically sealed, and the films have varying degrees of barrier properties.

登录 |食品包装。在食品应用中，几乎总是包密封和电影不同程度的阻隔性能。

The diode is coated with a thin layer of hard glass which eliminates the need for a hermetically sealed package.

二极管的表面有一层薄薄的硬玻璃，故无需使用密封的管壳。

The method comprises:(1) weighing lead acetate hexahydrate and thioacetamide, and preparing aqueous solutions respectively, so that the concentration ratio of Pd2+ to S is 1:(1-4);(2) adding acetic acid into thioacetamide solution to adjust the pH value to 2-4;(3) adding poly surfactant into lead acetate solution, ultrasonicating to mix uniformly and obtain a colorless and transparent sol;(4) mixing the sol and thioacetamide solution;(5) placing the mixed solution in a sealed container, irradiating by 2.5 MeV and 40 mA electron accelerator with irradiation dose of 25-40 Mrad;(6) washing the product, centrifuging for separation, and drying to obtain black PdS nanoparticles.

本发明方法的工艺过程如下：首先称取一定量的六水合醋酸铅和硫代乙酰胺，各自配制成水溶液，其浓度比为使其中的铅离子浓度与硫原子浓度的比例为1∶1～1∶4；在硫代乙酰胺溶液中加入适量醋酸调节其pH值至2～4；醋酸铅溶液中加入少量表面活性剂聚乙烯醇，然后超声振荡，混合均匀，制成无色透明溶胶；随后将溶胶与上述的硫代乙酰胺溶液混合；将该混合液置于密闭容器中，并将其放置于2.5MeV、40mA的电子加速器产生的电子束辐照下进行辐照处理，其辐照剂量为25～40Mrad；然后将反应生成物清洗，并用高速离心机离心分离，然后干燥，最终得到黑色纳米硫化铅颗粒。

By the time he was buried in Highgate Cemetery last week in a specially sealed coffin, Londoners understood that the dissidents and playboys spewed out by post-Soviet Russia had imported other things too: intrigue, shady pasts and grudges pursued with reckless brutality.

他的灵柩作了特殊密封，上周于高门公墓下葬时，伦敦人明白了，前苏联的异议分子与纨绔子弟涌入国门，也引进了别的东西：阴谋、阴云密布的过往以及导致残忍得不顾一切的嫉妒。

I'm sure you know the sound of a well sealed container sound like, and that is a good humidor.

那你现在要提出的问题应该是那先生﹐西班牙杉木呢？

Our company is set research and development, manufacturing production, marketing, in one of the sealed environment-friendly nickel-metal hydride rechargeable batteries professional manufacturers.

我公司是集研究开发、生产制作、市场营销于一体的密封环保型镍氢充电电池的专业厂家。

They are absolutely opaque and impermeable to air, tightly sealed and thus preserve taste, and hygienically sterile.

他们是绝对不透明而不透水的空气，密封，从而保住口味，又卫生消毒。

The propellant is very hygroscopic and as such is sealed in a plastic bag and stored in a freezer.

推进剂是非常吸湿性，正因如此，是密封在一个胶袋，并储存在冰箱。

Apllied the data of QuickBird-2——the highest resolution remote sensing,and based on the theory and methodology of fractal geometry,we have quantitatively studied remote sensing lineations in Gaolong gold deposit of Guangxi.

采用Quick Brid-2高分辨率卫星遥感数据，通过分形几何学的盒计维数法，定量研究广西高龙金矿区遥感线性构造。

So, sometimes, to change the color can not be your food (referring to the above-mentioned crustacean) has been a sign of boiling over.

所以，有时，来改变颜色，不能你的食物一直是沸腾了的迹象。