查询词典 heavy water

The method uses water to boil pure heavy law to undertake to Tibetan angelica polysaccharide thick carry, with Sevag reagent and shade, cation commutative law contrasts rarefied thick polysaccharide.

方法采用水煮醇沉法对西藏当归多糖进行粗提，用Sevag试剂和阴、阳离子交换法对比纯化粗多糖。

Results show that existence from strong convergence of water vapor and the conditional convective instability in the middle and low troposphere probably provided the suitable environment for heavy rainfall.

分析表明，对流层中低层水汽的大量集中以及对流不稳定条件的存在可能对此类系统发展提供了有利环境，对其启动的机制作了初步的讨论，认为地形的动力强迫和地面冷锋以及低空急流扰动可能对此类系统的发生发展起了触发作用。

The results show that the dynamic force and thermal conditions of forming the squall line were the convergence of cold air from Mongolia cold vortex and the warm-humid air current before west trough to form the convectional system at moderate 3 scale; the rapid development and southward shift of MβCSs was caused by a strong unstable stratification and the shear line of suitable vertical wind; a heavy hail occurred after a vertical liquid water content over 65 kg/m^2 was firstly measured by weather radar; a sharp reduction of VIL indicates that a disaster strong wind will occur at soon.

结果表明：蒙古冷涡旋转下甩冷空气与西风槽前的暖湿气流汇合，形成中p尺度的对流系统是飑线形成的前期动力和热力条件；强的不稳定层结和合适的垂直风切变导致了MβCSs的迅速发展和南压；在天气雷达首次观测到垂直液态水含量值超过65kg/平方公尺后2h内出现了大冰雹；垂直液态水含量的突然减小标志着灾害性大风的开始。

The electroplating waste water contains many heavy metals such as chromium,cadmium,nickel,cuprum,zinc.So the direct emission of it will lead to produce great negative effect for ecosystem,human health,industry production and living.

电镀废水中含有的重金属离子如铬、镉、镍、铜、锌等，直接排放将恶化生态系统，给人类的健康和生产生活造成极大的负面影响。

"If you fly too low, the dampness of the sea will make your feathers heavy AND you will sink into the water," said Daedalus.

"假如你飞得太低，海水的湿度将加重你身上羽毛的重量，你就会掉进水里，"

Electric trains have many advantages over those drawn steam engines. There is no smoke to soil the passengers, clothes and the cushions in the train. Because they carry no heavy loads of coal and water, these trains can start and stop with less waste of power. In a station they are silent: there is no steam to produce noise to deafen the passengers.

电气火车比蒸汽火车有许多优点：没有烟来弄脏乘客的衣服和车上的座垫；因为它们没有很重的煤和水的负荷，这种火车不用多少能量就能启动或者停止；在车站时它们很安静，因为没有蒸气发出噪音使乘客震耳欲聋。

The results of this paper provided a new method for the decontamination of heavy metal pollution of water.

研究结果为水体中crzo／'、vbZ＼cdZ等污染开辟了一条生物治理的新途径。

Detail :-Made of heavy duty, abrasion and water resistance 1000 denier Invista Cordura nylon fabric.

详细说明：-本产品采用了Invista公司1000Dx1000D的64支顶级Cordura材料制造，耐磨性能出众。

The only animal who can walk thtough the desert is the camel. He can go without food and water for a long time, and he can carry heavy loads. People call the camel "the ship of the desert".

唯一能穿越沙漠的动物是骆驼（thtough应该为through），它可以在没有食物和水的条件下坚持很长时间，而且能背得动沉重的行李，人们称骆驼为"沙漠之舟"。

A nearly limitless primary energy source is the fusion of deuterium or heavy hydrogen, which is found in the water of the earth.

几乎无限的一次能源是氘或重氢的聚变，氘在地球的水中可找到。

Shop assistant: Please check at the door.

店员：请您到门口柜台交费。

In the end, transportation of PAHs in the environmental matrix was preliminarily investigated and discussed according to PAHs data of soils and sediments from a certain region in Shanghai. The result indicated that there are two or more pathways on PAHs transportation in the environmental matrix.

最后，对上海特定地区内PAHs在环境介质中的迁移径途进行了分析讨论，结果表明上海市土壤和沉积物等环境介质中PAHs的迁移存在多种途径。