1) pollen concentrates
孢粉浓缩物
1.
AMS 14C dating using bulk samples,plant residues and pollen concentrates from 12 samples of six levels of a 140cm peat profile at Kulun,Inner Mongolia,which is situated in a mid-latitude ecotone between a semi-humid zone and a semi-arid zone in Northern China(42°44 N,122°00 E) was conducted.
文章对中国干旱、半干旱地区的内蒙古库伦泥炭剖面的泥炭全样、植物残体和孢粉浓缩物进行了AMS14C测年比较研究。
2) spore-pollen concentration
孢粉浓度
3) Concentrating pulverized coal
浓缩煤粉
4) coal powder concentration
煤粉浓缩
1.
In this paper,the research of the tiny-oil ignition technology are divided into four segments according to it fundamental principle: fuel pulverization,fuel combustion,coal powder concentration,coal powder combustion,then every se.
本文依据微油点火技术的基本原理,把研究内容总体上划分为四个部分:燃油雾化、油滴燃烧、煤粉浓缩、分级引燃;然后分别对这四个部分进行了数值模拟和优化设计,并在雾化喷嘴设计参数、油燃烧器配风方式、煤粉浓缩器角度等方面得出了一些结论。
5) concentrated silica powder
浓缩硅粉
1.
The lost circulation additive compounds the granulated blast furnace slag, synthetic of aqueous dispersion fiber, fine particle of concentrated silica powder with commercial dispersant and retarder, which generates high intensity and impervious reticular system for plugging in absorbent formation.
该堵漏剂由粒状高炉矿渣、合成水分散纤维、浓缩硅粉微粒和工业分散剂、缓凝剂混合而成,可以在渗漏地层形成高强度非渗透性网状体系进行堵漏,特别是体系中的胶结组分(粒状高炉矿渣和硅粉混合而成)遇到Ca(OH)2时具有强的活性。
6) concentrate
[英]['kɔnsntreɪt] [美]['kɑnsṇ'tret]
浓缩,提浓;浓缩物,提浓物
补充资料:铀浓缩物
分子式:
CAS号:
性质:又称黄饼。是铀的化学浓缩物,铀水冶厂的产品。从水冶厂的离子交换淋洗液或溶剂萃取的反萃液等酸性含铀溶液中,以苛性钠、氢氧化铵或氧化镁等碱性沉淀剂将铀以重铀酸盐形式定量地沉淀析出,即获得了铀浓缩物。它还含有较多的杂质,可送往铀精制厂进一步纯化。
CAS号:
性质:又称黄饼。是铀的化学浓缩物,铀水冶厂的产品。从水冶厂的离子交换淋洗液或溶剂萃取的反萃液等酸性含铀溶液中,以苛性钠、氢氧化铵或氧化镁等碱性沉淀剂将铀以重铀酸盐形式定量地沉淀析出,即获得了铀浓缩物。它还含有较多的杂质,可送往铀精制厂进一步纯化。
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