The new technology for the preparation of cryolite from fluosilicic acid and ammonium hydrocarbonate is introduced.介绍了氟硅酸、碳酸氢铵制备冰晶石的新工艺.Bites suction cup the toxin and apply 3 % ammonia solution or 5 % sodium hydrocarbon...
The results show that the ASB materials are the new PM antifriction materials for aerobat.并且提供批量零件供现场使用,结果表明,该材料完全满足航空使用工况要求,是一种具有广泛应用前景的新型粉末冶金自润滑减摩材料.Special formula for the rubber wheel, antifriction, aging resistance ...
Their economy is teetering on the brink of collapse.他们的经济徘徊在崩溃的边缘。The club are on the brink of promotion to the Premier League.俱乐部即将晋级超级联赛。They are on the brink of resolving their long-standing dispute over money.他们很快就能解...
He saw himself as a Master of the Universe, an avenger of wrongs.他把自己当成宇宙的统帅，惩治万恶。" Tom Sawyer, the Black Avenger of the Spanish Main.“ 我乃西班牙海黑衣侠盗,汤姆-索亚.Avenger's Shield - 0.26 threat per hit ( 0.008 threat per seco...
This message caused perturbation in the Middle East Headquarters.这则消息在中东总部引起了不安。Unwillingly she met his eyes, defiance and perturbation on her face.她极不情愿地看着他的眼睛, 满脸反抗和烦乱的神色.The equations defining the zero - order perturb...
What is the difference between Glassine envelopes & BOPP polypropylene?玻璃纸封套 和 BOPP聚丙烯有什么不同?Glassine: Tough but partially transparent paper used for protective wrapping and for overlays on artwork.半透明纸: 结实而半透明的纸.作保护用的包装纸...
...the amount of fat and glandular tissue in the breasts.胸部的脂肪和腺体组织数量A bigger worry are memory - boosting supplements that contain raw cow brains and glandular concentrates.更大的忧虑是含有生牛脑和腺体浓缩物增强记忆力的补养品.The clitellum is the...