您要查找的是不是:
- baryta saltpeter 钡硝石
- Limit of saltpeter was unloosened. 硝土盐由主禁到放开等等。
- Uses the baryta yellow spectrophotometric method (hot process). 采用铬酸钡分光光度法(热法)。
- Chile saltpeter. 智利硝石。
- Sun combined sulfur and saltpeter with charcoal and there was an explosion. 孙思邈将硫和硝与碳结合,接著就会有爆炸发生;
- The nitrate is also called saltpeter, and the carbonate is called potash. 硝酸盐亦称硝石,碳酸盐亦称钾碱。
- To prepare the pickle dissolve 8 pounds of salt, 3 pounds of sugar, 4ounces of baking soda and 4 ounces of saltpeter in 4 gallons of water. 准备腌汁,将8磅盐,3磅糖,4盎司苏打和4盎司硝酸钠溶解于4加仑水中。
- Baryta paper A very smooth matt-coated paper used to make repro pulls of type or blocks required for subsequent reproduction. 十分平滑的哑粉纸,用它压印铅字版或电版所得的稿样,可作復制照相稿用。
- Baryta paper: A very smooth matt-coated paper used to make repro pulls of type or blocks required for subsequent reproduction. 钡地纸:十分平滑的哑粉纸,用它压印铅字版或电版所得的稿样,可作复制照相稿用。
- The author the sulfate uncertainty has carried on the evaluation to the baryta yellow spectrophotometric method determination water. 笔者对铬酸钡分光光度法测定水中硫酸盐的不确定度进行了评定。
- Gravimetric methods (including barium sulfate weight method and baryta yellow weight method) in chemical analysis methods are used in daily control. 日常检测较常用的是化学分析中的重量分析法(包括硫酸钡重量法、铬酸钡重量法)。
- Using the reactive properties of Charcoal and Saltpeter, a new and better bullet can be manufactured quickly and inexpensively. 利用“木炭”以及“硝石”相互作用的性质,就可以快捷而便利的制造出一种新型而且更优质的子弹了。
- The grenades sank the enemy boat with everything on board, leaving nothing but smoke and fumes of saltpeter on the surface. 手榴弹把敌人那只大船击沉,一切都沉下去了。水面上只剩下一团烟硝火药气味。
- Sodium in compounds, many of great industrial importance (including bicarbonate of soda, caustic soda, saltpeter, and sodium chloride), has valence 1. 钠的化合物,其原子价为1者,有许多种在工业上相当重要,包括小苏打、苛性钠、硝石和氯化钠。
- Early Chinese scientists discovered that they could make an explosive substance by mixing sulphur, charcoal and saltpeter. 早期的中国科学家发现把硫磺,木炭和硝石混合在一起可以制作出能够爆炸的物质。
- Whereas baryta yellow weight method can determine the content of Ba2+accurately,but it also has many shortages,such as long process,complex operation,and low speed. 而铬酸钡重量法,虽能准确测定钡离子含量,但方法流程长,操作繁琐,速度慢。
- The control of barium sulfate grains sizes and their distribution during the production of baryta paper is an important technique for controlling the product quality. 硫酸钡颗粒大小及其分布的控制是钡地纸生产工艺中的一项重要质量控制技术。
- White material taken from the damp walls of caverns. When combined with sulfuric acid, saltpeter produces nitric acid by distillation. In addition, saltpeter is one of the. 从山洞潮湿的墙壁上获得的白色物质。使用蒸馏的方法,硝石和硫酸作用可产生硝酸。另外,硝石也是制造黑色火药的原料之一。
- There are abundant resources in Fuyu County, including oil, natural gas, oil shale, quartz sands, glass sands, fireclay, caustic soda and saltpeter etc. 扶余县资源丰饶。
- Petroleum, iron, various ferroalloy elements, non-ferrous metals, precious metals, as well as saltpeter, industrial use of natural crystals, mica and other films. 有石油、铁、各种铁合金元素、有色金属、贵重金属,以及硝石、工业用的天然水晶、片云母等。
- 今日热词
-
- 深远海浮式风电平台 - deep-sea floating wind power platform
-
- 京雄高速公路 - Beijing-Xiongan expressway
-
- 农业及相关产业增加值 - the added value of agriculture and related industries