To indicate the feasibility of acetic ester carboxylation process in China based on making process comparison.通过对各种生产工艺的对比,提出了醋酸甲酯羰基化工艺在我国的可行性.The accepted commercial process is based on 2, 4 - difuloroaniline, through c...
The room remains simple with bare, stippled green walls.房间仍然很简朴，四面都是饰有圆点的绿色空墙。They crossed a field stippled with purple weeds.他们穿过点缀着紫色草的田地.There was a gray stubble of beard stippled over Primitivo's jaws, his lip a...
究竟平衡作用发生在铬铁矿和硅酸盐下沉之前,还是在其后?Did equilibration take place before or after setting of chromite and silicates?在穆斯科克斯杂岩体中,铬铁矿矿层仅产于长石质橄榄岩中.The chromite deposits in the Muskox Complex occur only in feldspathic peridotite.对于铬铁矿矿...
Let us close in on nature and come to grips with her.让我们接近大自然并努力对付大自然吧!Oil - exporting countries, as they come to grips with the decline in oil prices, face this issue.石油出口国目前在极力应付油价的下跌, 它们也面临着这个问题.Indeed, some great sch...
宝塔影子倒立在水里.The pagoda is reflected upside down in the water.小男孩学了一招, 他能倒立.The little boy learned a stunt; he stands on his head.倒立组却因为厌倦而放弃比赛.The handstand group gives up the contest because of the training fatigue....