磷化

But because of using just a fumigant in a long time and working out of line, the fumigant do little effect to pests in recent years.

但目前，绝大多数熏蒸方法都存在磷化氢发生工艺不完善，熏蒸有毒残渣难以处理等棘手的问题。

Fumigating is the most effective method to kill pests in grain depots. Phosphine is not only the safest fumigant under use, but also the only allowable fumigant in most countries.

熏蒸法是防治储粮害虫最为有效的手段，磷化氢是目前对人类而言最为安全的熏蒸剂，也是绝大多数国家唯一允许使用的熏蒸剂。

The author also expected that the era of multiple use of single fumigant would be replaced by those fumigants for special of a certain field use gradually.

由于它具有高效、穿透性强、快速、杀虫谱广等优点，总体来说，被认为是和磷化氢一样的气体杀虫剂的两大支柱之一。

A determination and study has been made on the changes of PH concentration and its distribution in the atmosphere inside and outside the storehouse when the storehouse where PH is used to fumigate stored grain pests are tightly closed and ventilated.

储粮害虫防治使用磷化铝熏蒸，在密闭和通风期间，对粮仓内外空间和粮堆的PH_3气体浓度变化规律及其分布情况，进行了测试研究。

Phosphine ; carbon dioxide ; cylinder fumigant ; fumigate

磷化氢；二氧化碳；混合钢瓶剂型；熏蒸

The wheat with injurious insects were treated by means of the mixed fumigation with phosophine and carbon dioxide with the aid of a mixed fumigator.

本试验用仓外混合熏蒸机以磷化氢和二氧化碳混合熏蒸方式处理有虫小麦。

Under mild ambient conditions gallium phosphide nanoparticles were employed to carry out the reduction of nitrogen.

在温和条件下，利用磷化镓纳米粒子进行了氮的还原反应，即氮氨转化。

Study on the effects of components in phosphating solution on properties of phosphating film of galvanized steel

研究了一种新型的钙改性磷化液在镀锌钢板上的成膜机理。

ReShi Chemicals is a specialist in manufacturing and distributing metal surface treatment reagent: phosphorus treatment reagent, water treatment reagents, electro-plating additive reagents, normal temperature nigrescence reagent, pre-treatment reagents ,etc.

是一家专业从事金属表面处理药剂：磷化处理药剂、水处理剂、电镀添加剂、钢铁常温发黑剂以及前处理产品的生产商和代理商。

ReShi Chemicals is a specialist in manufacturing and distributing metal surface treatment reagents: phosphorus treatment reagent, paints fog coagulating agent , electro-plating additive reagents, normal temperature nigrescence reagent, pre-treatment reagents ;refinishing paint total solutions; rare earth oxide compound ;offer burning inhabitor and deadening agent for rubber,special paints and Nylon industry.

专业为金属加工行业提供磷化处理药剂、水处理剂、电镀添加剂、钢铁常温发黑剂以及前处理产品；为汽车行业提供专业的汽车修补漆整套解决方案，喷漆房水处理解决方案；为玻璃陶瓷行业提供高性价比的稀土金属氧化物产品；为橡胶尼龙，涂料以及化妆品行业提供高效阻燃剂及消光剂。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。