N - hydroxyethylpyrrolidone ( NHP ) was synthesized from � � - butyrolactone and ethanolamine on Y molecular sieve catalyst by two steps.以改性Y分子筛为催化剂,γ-丁内酯和乙醇胺为原料,采用γ - 丁内酯法两步合成N - 羟乙基吡咯烷酮 ( NHP )....
Christie retaliated by sending his friend a long letter detailing Carl's utter incompetence.为了报复，克里斯蒂给他朋友寄了一封长信，细述卡尔完全不称职。A unique 13,000-word timeline runs through the full-colour volume, detailing events from the ...
这种发胶会使头发看上去有亮丽的光泽。This gel gives a beautiful shine to the hair.皮肤失去了年轻时的光泽。The skin loses its youthful bloom.油漆的光泽有些磨损了.The brightness of the paint has worn off a little....
Oakley locates housework in the wider context of economic, social and political structures.奥克利把家务置于更广泛的经济、社会和政治结构背景中。The rotor system locates in an aircraft flying with an asymptotic acceleration.研究渐变加速的飞行器内碰摩转子系统的非线性特性....
Giant cell ( temporal ) arteritis is uncommon before age 50.巨细胞动脉炎 ( 颞动脉 ) 在50岁以前较少见.Objective : To discuss effective mechanism of acupuncture for treating Takayasu � � s arteritis.目的: 探讨针灸治疗多发性大动脉炎(头臂动脉型)的疗效机制.Objective...
I had veal cutlets for supper.我晚饭吃炸牛肉排....grilled lamb cutlets.烤羊排He cut the veal into cutlets.他把小牛肉切成肉块.Our specialties are fried sole, deviled crabs, and beef cutlets.我们的特色菜有炸板鱼 、 炒蟹及牛排....
The player should now work again normally with the new firmware.这名球员现在应该再次正常工作的新固件.A power failure during the firmware writing operation will disable the camera.固件写入过程中切勿关闭电源.United Extensible Firmware Interface统一可扩展韧体接口...
Smoking is a causative factor in several major diseases.抽烟是引起几种严重疾病的病因。Especially in hearing - handicapped children , endolymphatic hydrops plays a major causative role in acute hearing loss.本症须与内淋巴水肿、外淋巴瘘 、 腮腺炎耳聋、及积液性中耳...
What's up with Pasadena, Pomona, Santa Ana and all that?帕萨迪纳市, 波莫纳, 圣安娜和其他地方 怎么样 ?Objective : To investigate the feature of antinuclear antibodies ( ANA ) negative systemic lupus erythematosus ( SLE ).目的: 探讨抗核抗体 ( A...