Pyrite is more abundant and cobaltiferous and occurs in heavy patches in the sulfide mass.黄铁矿很多,并且含钴,在硫化物块体中成稠密的斑块.At pegmatite contacts the composition changes to chalcopyrite, millerite, pyrite, and accompanied by magn...
The sulfide assemlage consists largely of pyrrhotite, pentlandite, chalcopyrite, and pyrite.硫化物集体大部由磁黄铁矿 、 镍黄铁矿 、 黄铜矿及黄铁矿组成.Pyrite is more abundant and cobaltiferous and occurs in heavy patches in the sulfide mass.黄铁矿很多,...
The half - life of francium is 22 minutes.钫的半衰期是22分钟.Francium is the densest of the Alkali Metals and also radioactive.钫是碱金属中密度最大的,具有放射性.Even Francium's most stable isotope, Francium - 223 only has a half - life of ...
玉质细腻温润, 质地缜密,油润亮泽.Jade polished stone , texture meticulous and machinery oil shine.用此唯一和独特的深巧克力薄荷油润唇膏可以使干燥和开裂的唇部变的柔软和平静.Soften and soothe your dry, chapped lips with this unique, dark chocolate peppermint lip butter.形似梅花...
I inadvertently pressed the wrong button.我一疏忽按错了按钮。I inadvertently passed this essay by.我漫不经心地把这篇散文忽略过去了.He inadvertently broke the glass.他不经意把杯子打碎了....
Motorists regularly flout the law .驾车者经常无视法律。No one can flout the rules and get away with it.谁也不能违反这些规则而不被处分.Timeshare companies also come in for a rap as they continue to flout the rules.各分时度假公司也受到了批评，因为他们一直违反相关规则。...
角动量守恒定律,可以用回转器来演示.The law of conservation of angular momentum may be demonstrated with a gyroscope.本文叙述应用回转器的振荡电路的原理与实践.The principle and the practice of an oscillation circuit using a gyrator are discussed.运用回转器—电容模型可以很...