Chemical reagent--General method for the determination of distillation range

化学试剂沸程测定通用方法

属类：行业标准名称-国家标准名-GB/T615-1988

The volatile carbonyls are usually recovered by distillation at atmospheric or reduced pressure and then determined by reaction of the distillate with appropriate reagents or by chromatographic methods.

挥发性羰基化合物经常在大气压或减压下被蒸馏分离出来,然后通过馏出液与合适的试剂反应或用色谱法分析进行测量。

属类：工程技术-食品工程-

Or a vacuum distillation process to separate the heavy oil into lubricating oil stocks and asphalt

或者运用真空蒸馏工艺将重油分解成润滑油和沥青。

属类：社会文化-新闻报道-

Method for analysis of calcium metal--The determination of nitrogen by distillation -Nessler reagent photometric method

金属钙分析方法蒸馏-奈斯勒试剂光度法测定氮

属类：行业标准名称-国家标准名-GB/T10267.5-1988

Methods for chemical analysis of chromium metal--The distillation -molybdenum blue spectrophotometric method for the determination of arsenic content

金属铬化学分析方法蒸馏-钼蓝分光光度法测定砷量

属类：行业标准名称-国家标准名-GB/T4702.8-1985

To increase the concentration of,separate,or purify by or as if by distillation .

精炼用蒸馏法或好像用蒸馏法增加浓度、分离或净化

属类：综合句库--

To refine or purify,especially by distillation .

精馏提炼或提纯,尤指通过蒸馏的方法来提纯

属类：综合句库--

Purify or refine,esp by repeated distillation

净化或精炼;(尤指)分馏,精馏

属类：综合句库-典型例句-

Any of various thick,dark,sticky substances obtained from the distillation residue of coal tar,wood tar,or petroleum and used for waterproofing,roofing,caulking,and paving.

沥青,人造沥青某种厚厚的、黑而粘的物质,由炭焦、木焦或石油的剩余物中提炼出来,用于防水、盖屋顶、填缝和铺路

属类：综合句库--

Asphaltum: Natural mineral compounds consist of carbon, hydrogen, sulphur and nitrogen or the residue from distillation of petroleum, coal tar or rosin.

沥青:天然产生的沥青是含有碳、氢、硫和氮的矿产化合物。人造沥青是蒸馏石油,煤焦油或松脂后的余下渣滓。

属类：行业术语-印刷-

For example, both the food and pharmaceutical industries dry some of their products, so "drying" can be taught instead of each individual process. Other examples include filtration, distillation and crystallization.

例如,食品工业和医药工作都有产品干燥,这样就以"干燥"而不是以某一个过程作为课程。还有类似的例子,包括过滤、蒸馏和结晶。

属类：化学及生命科学-化工-化工原理与技术

distillation plant,continuous,simple or fractional (excl. of ceramics or glass)

连续蒸馏装置,简单的或分馏的(不包括陶瓷或玻璃制品)

属类：物品名称-机械设备-

After destructive distillation , coal leaves a solid residue, coke, while, coal-tar and pitch are collected as a distillate, and coal-gas is collected in gasometer

煤干馏后剩下的固体残渣焦炭,而煤焦油和沥青则作为馏出物收集起来,煤气则收集于储气器中

属类：化学及生命科学-化学-

Every paragraph is a distillation of sound judgment.

每段话都是正确判断的结晶。

属类：综合句库--

destructive distillation of wood

木材干馏;木材毁馏

属类：科技术语--

Sodium is made by distillation .

钠是通过蒸馏提取的。

属类：综合句库--

Neon: Chemical element, chemical symbol Ne, atomic number 10. One of the noble gases, neon is colourless, odourless, tasteless, and completely unreactive. It occurs in minute amounts in the atmosphere and is obtained by fractional distillation of liquefied air.

氖:化学元素,化学符号Ne,原子序数10。氖是稀有气体的一种,无色、无臭、无味,完全不起化学反应。大气中含量极少,从液态空气的蒸馏中可以得到。

属类：化学及生命科学-化学-

peat tar has similar properties to the tar derived from the destructive distillation of wood

泥煤焦油的性质和由木材干馏所得到的焦油的性质相似。

属类：综合句库--

Hydrogen is produced by the steam reforming of natural gas, the electrolysis of water, the dissociation of ammonia, and as a by-product of petroleum distillation and chlorine manufacture

生产氢有多种方法:天然气的蒸气重整,水的电解,氨的分解,石油蒸馏和氯生产的副产品。

属类：产品说明书-产品安全-

petroleum products and bituminous materials-determination of water-distillation method

石油产品及沥青-水分含量测定法-蒸馏法

属类：行业标准名称-试验方法-

A volatile, flammable fraction of petroleum, obtained by distillation and used as a solvent.

石油类是石油当中易挥发,易点燃的成分。通过蒸馏获得,用作溶剂

属类：综合句库--

Purification of water may be achieved by distillation

水的净化可由蒸馏获得。

属类：综合句库--

A thin volatile essential oil,C10H16,obtained by steam distillation or other means from the wood or exudate of certain pine trees and used as a paint thinner,solvent,and medicinally as a liniment.

松节油一种稀薄的、易挥发的经过提炼的精油,C10H16,通过汽馏法或其他方法从某些针叶树的木头或渗出物中提取,用作颜料、涂料的稀释剂、溶剂及医用作搽剂

属类：综合句库--

Next, the air enters a high pressure distillation column where it is physically separated into a vaporous form of nitrogen at the top of the column and a liquid form of “crude” oxygen (~90% O2)at the bottom.

随后空气进入高压分裂蒸馏塔,分离成氮蒸气和“原始”液氧(含大约90%的氧),氮蒸气在蒸馏塔顶部,液氧在蒸馏塔底部。

属类：产品说明书-产品安全-

Water quality--Determination of volatile phenolic compounds--After distillation with bromine method

水质挥发酚的测定蒸馏后溴化容量法

属类：行业标准名称-国家标准名-GB/T7491-1987