Aspirin is synthesized through O - acylating reaction from acid and anhydride acid with anhydrous carbonate as catalyst.以水杨酸和乙酸酐为原料,采用无水碳酸钠作为催化剂经O - 酰化反应合成了阿司匹林.In 2002, we develop Photo - catalyst & electronic Ionizer A...
I see my role as being a catalyst for change.我认为我的角色是促成变革。A catalyst is a substance which speeds up a chemical reaction.催化剂是一种能加速化学反应的物质.It acts as a catalyst in the process of fermentation.它在发酵过程中起触媒的作用....
The river winds the valley.这条河蜿蜒流过山谷。At that point the road dips into a valley.在那一点那条路直向山谷伸展。The orcs flooded the Mine Valley and are now besieging the castle.兽人放水淹没了矿坑山谷,而且正在围攻城堡.Let us poke Valley fog, go exploring see...
Is this building going to stand up to the strongest gales?这座楼能经得住最强劲的大风吗？How well does this thesis stand up to close examination?这个命题经得起推敲吗？Her argument doesn't really stand up to scrutiny.她的观点经不起认真推敲。...
At present , DDSS and ODSS are in the conceptualization stage still.DDSS和ODSS目前仍处于概念开发阶段.This paper deals with the issurs of cooperation in a DDSS.本文探讨DDSS的结点合作问题....
They were more concerned about the dogs' welfare than a clean getaway.他们更加关心那些狗的安危，而非自己如何干净利落地脱身。Kuzco : Boo - yah ! Welcome to Kuzcotopia, my ultimate summer getaway complete with water slide.居高斯: 欢迎到居高斯乌托邦, 夏日水边避暑...
This paper presents a geodesic - based constrained deformation method for polygonal mesh models.提出了一种基于测地线的多边形网格模型的约束变形方法.The geodesic meshed cable - net structure was used to support reflector of the Five - hundred - me...
My enemies - and some of my friends - have called me an egoist - So other friends and enemies tell me.我的仇敌 ― ―还有一些朋友 ― ―曾说我 孤芳自赏,自高自大,别的朋友和仇敌也这么说.My enemies - and some of my friends - have calld me an egoist - So other f...