提出双波长双脉冲激光产生三次谐波的方法.The method for third harmonic generation of double wavelength and double pulse laser is proposed.介绍了双脉冲氰化光亮镀银的工艺流程和工艺配方.The process flow and bath formula of double - pulse DMS cyanide bright silver pl...
A hydrocracking catalyst with high selectivity to middle distillates was developed.开发了一种具有较高的中油选择性的加氢裂化催化剂.Abstract: Typical failures in domestic fixed bed hydrocracking uni t over the years were summarized.文摘: 总结了我国固定床加...
氧化胆固醇可能是造成动脉堵塞的元凶。Oxidized cholesterol may be responsible for furring up the arteries.他颈动脉栓塞，危在旦夕。The arteries in his neck had become fatally congested.子弹穿过动脉，他失血过多几乎性命不保。He almost bled to death after the bullet severed ...
你看到她为圣诞节买的钻石饰针了 吗 ?Did you see the diamond pin she got for Christmas?在珠宝柜台,她又久久逗留,欣赏着那些耳环, 手镯, 饰针和金链条.She saw the earrings, the bracelets, the pins, the chains.她把这枚饰针视为珍宝,因为这是祖上传下来的.She treasured the brooch because it wa...
The report downplayed the effects of large class sizes in schools.报告对学校大班级规模的影响一带而过.Some analysts downplayed the significance of RIM's flat shipments and sales.一些分析师并不认为RIM当季出货量和销售额持平有什么问题.Officials last month downp...