1) primary powder spraying ratio
一次上粉率
1.
Main factors influencing primary powder spraying ratio in powder electrostatic coating are analyed.
分析了静电粉末喷涂中影响一次上粉率的主要因素以及在应用中如何提高一次上粉率。
2) first-stage acceptability rate of powder detergent
洗衣粉一次合格率
3) primary dusts
一次粉尘
1.
In this paper, urea dusts were classified, concepts of primary dusts and secondary dusts were introduced and causes of primary dusts were emphatically analyzed.
对尿素粉尘进行分类,阐述了一次粉尘及二次粉尘的概念,并着重分析了一次粉尘产生的原因,通过计算分析,提供了解决一次粉尘产生的一些方法。
4) one-time up-return
一次上返
1.
The one-time up-return cementing technology is used to cement long open holes of gas wells,having advantages of shortening drilling cycle,reducing drilling cost,eliminating the problem of decreasing the bearing capability of casing string which is often caused due to the use of stage collar,and ensuring the cementing quality in gas zone sections.
一次上返固井技术是解决天然气井长裸眼段固井的一项技术,优点在于缩短了钻井周期,降低钻井成本,消除了因使用分级箍而造成套管串承压能力降低等问题,气层段固井质量也得到了有效保证。
5) primary air ratio
一次风率
1.
The process of NO x formation is influenced by some factors,such as characteristics of fuel,surplus air ratio,primary air ratio,secondary air ratio,combustion temperature and so on,which is mainly discussed in this paper from the aspects of technology.
简要分析了燃料燃烧过程中NOx 的生成机理 ,从陶瓷工艺角度着重讨论了燃料特性、过剩空气系数、一次风率、二次风率、燃烧温度以及烟气停留时间等若干因素对NOx 生成的影
2.
In order to obtain optimum operation of boilers and then ensure timely ignition and completely burnout of pulverized coal, pulverized coal combustion processes in a 350MW boiler were numerically calculated under different primary air ratios and pulverized coal fineness.
为了达到锅炉的优化运行以保证煤粉气流及时着火和充分燃尽,采用IPSA两相流动模型和煤粉燃烧综合模型,在不同的一次风率和煤粉细度的工况下,对1台350MW锅炉煤粉燃烧过程进行了数值模拟,得出了炉内燃烧器区域以及出口处烟气温度场和燃烧产物的组分浓度分布。
补充资料：白垩,磨细白垩粉,白垩粉
CAS：1317-65-3
中文名称：石灰石；电石灰岩；石灰石粉；霰石,文石；方解石,碳酸钙晶体；碳酸钙,白垩；白云石,白云岩,石灰岩；石灰石,石灰石；大理石,大理岩,云石,玻璃球；波特兰石；白垩,磨细白垩粉,白垩粉
英文名称：Limestone；Agstone；agricultural limestone；aragonite；atomite；bell mine pulverized limestone；calcite；calcium carbonate；carbonic acid, calcium salt；chalk；dolomite；domolite；franklin；lithograpic stone；marble；natural calcium carbonate；portland stone；sohnhofen stone；whiting；limestone,powder；flux lime
中文名称：石灰石；电石灰岩；石灰石粉；霰石,文石；方解石,碳酸钙晶体；碳酸钙,白垩；白云石,白云岩,石灰岩；石灰石,石灰石；大理石,大理岩,云石,玻璃球；波特兰石；白垩,磨细白垩粉,白垩粉
英文名称：Limestone；Agstone；agricultural limestone；aragonite；atomite；bell mine pulverized limestone；calcite；calcium carbonate；carbonic acid, calcium salt；chalk；dolomite；domolite；franklin；lithograpic stone；marble；natural calcium carbonate；portland stone；sohnhofen stone；whiting；limestone,powder；flux lime
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条