查询词典 gases

The modern city consists of monstrous edifices and of dark, narrow streets full of petrol fumes, coal dust, and toxic gases, torn by the noise of the taxi-cabs, lorries and buses, and thronged ceaselessly by great crowds.

构成现代城市的是一些畸形建筑群和阴暗而又狭窄的街道，街上充满汽油味、煤尘和有毒气体，夹杂着出租汽车、大卡车和公共汽车的喧闹声和熙熙攘攘的人群。

"The modern city consists of monstrous edifices and of dark, narrow streets full of petrol fumes, coal dust, and toxic gases, torn by the noise of the taxicabs, lorries and buses, and throng ed ceaselessly by great crowds."

构成现代城市的是一些畸形建筑群和阴暗而又狭窄的街道，街上充满汽油味、煤尘和有毒气体，夹杂着出租汽车、大卡车和公共汽车的喧闹声和熙熙攘攘的人群。

"The modern city consists of monstrous edifice s and of dark, narrow streets full of petrol fumes, coal dust, and toxic gases, torn by the noise of the taxicabs, lorries and buses, and thronged ceaselessly by great crowds."

构成现代城市的是一些畸形建筑群和阴暗而又狭窄的街道，街上充满汽油味、煤尘和有毒气体，夹杂着出租汽车、大卡车和公共汽车的喧闹声和熙熙攘攘的人群。

"The modern city consists of monstrous edifices and of dark, narrow streets full of petrol fumes, coal dust, and toxic gases, torn by the noise of the taxicabs, lorries and buses , and thronged ceaselessly by great crowds."

构成现代城市的是一些畸形建筑群和阴暗而又狭窄的街道，街上充满汽油味、煤尘和有毒气体，夹杂着出租汽车、大卡车和公共汽车的喧闹声和熙熙攘攘的人群。

The modern city consists of monstrous edifices and of dark, narrow streets full of petrol fumes,coal dust and toxic gases, torn by the noise of the taxicabs, lorries and buses, and thronged ceaselessly by great crowds.

畸形建筑群和阴暗狭窄的街道构成了现代城市。街上充满汽油味、煤灰和有毒气体，出租车、卡车和公共汽车的噪音刺耳，熙熙攘攘的人群挤来挤去。

Modern city consists of monstrous edifices and of dark, narrow streets full of petrol fumes and toxic The gases, torn by the noise of the taxi-cabs, lorries and buses, and thronged ceaselessly by great crowds.

大得吓人的高楼和阴暗狭窄的街道组成了今日现代化的城市。街道上充斥着汽油味和有毒气体，出租汽车，卡车，公共汽车的噪音刺耳难忍，络绎不绝的人群挤来挤去。

The most important route to produce these unsaturated hydrocarbons is by steam cracking, using principally petroleum gases or naphtha as feedstock.

生产这种不饱和烃类最重要的路线是靠蒸汽裂解，主要以石油气体和石脑油作原料。

HPLC method of determination of CCU has been developed for the kinetic study. The kinetics of photodecomposition of CCU in various carrier gases have been studied. The photoreaction of CCU in nitrogen and air is of the first order, while in oxygen is closer to that of the second order. The rate constants in nitrogen, air and oxygen are 0.00703/h, 0.0109/hand 0.00445 , and the half-livies are 98. 6, 63. 6 and 62. 7hour respectively.

采用以甲醇一水为流动相的反相HPLC作为分析手段，对灭幼脲在不同载气中的光解动力学作了研究，结果表明，灭幼脲在氮气和空气中的光解反应符合一级动力学形式，而在氧气中的光解则更接近于二级反应形式；在三种气氛中的反应速度常数分别为0.00703h〓，0.00109h〓和0.00445h〓〓，半衰期相应为98.6、63.6及62.7h。

The research involved the measurement of particulate matter, as observed by a photoelectric cell, shown by the gases venting out of a wood stove chimney.

这项研究主要是通过木炉烟囱中排放的气体来测量微颗粒物，例如观察光电细胞。

The influence of rapid thermal process in different gases on the photoluminescence properties of porous silicon was discussed.

在1992年第一个多孔硅基的发光二极管的出现更使人们对多孔硅发光的应用前景感到乐观，也为光电子的全硅集成带来希望。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。