化学燃料动力火箭可以提供克服地球引力所必须的强大推进力。
Chemical rockets have the high thrust necessary to lift rockets into space, overcoming the Earth's gravitational pull.
太阳动力号“项目由比利时化学品及药物制造商苏威(Solvay)、钟表制造商欧米迦(Omega)及德意志银行(Deutsche Bank)联合赞助的。
The project is financed by companies including the Belgian chemicals and pharmaceuticals producer Solvay, the watchmaker Omega, and Deutsche Bank.
但是直到天然气和石油的价格大幅上涨之后,全球化学工业才有了开展煤炭气化业务的动力。
But there had been little incentive for the global chemical industry to gasify coal until prices began soaring for natural gas and oil.
加州大学欧文分校的的科学家菲利普·科林斯说,尺寸如盐颗粒大小的电池能够给传感器提供动力,为那些用于检测病毒和化学物质等传感器提供动力。
Batteries that are the size of a grain of salt — or smaller — could power sensors that detect viruses, chemicals and more, said Philip Collins, a scientists at the University of California, Irvine.
因此,我们来看看化学品之间的反应动力学。
他们计划生产的不是乙醇、而是碳氢化合物,其分子的化学性质和结构与为飞机、火车和汽车提供动力的燃料类似。
Instead of ethanol, they plan to make hydrocarbons, molecules chemically much more similar to those that already power planes, trains and automobiles.
其他的研究表明那些身体前倾的人、或者报以友善微笑之人、抑或做手部动力的人会产生更多的一种人在哺乳和食用巧克力时产生的化学物质——催产素。
Other studies show that people who lean forward or generate a friendly smile or hand gesture produce more oxytocin, the same chemical generated by breastfeeding and eating chocolate.
桌面化学在这张获奖图片中进行了一次十分上镜的旋转。 图片作者是来自科罗拉多大学的JohnHart,专攻流体动力学。
Tabletop chemistry takes a photogenic turn in this winning microphotograph by John Hart of the University of Colorado, who specializes in fluid dynamics.
通用动力的JSLSCAD是第一种可以360度扫描、范围达2千米的化学探测系统。
General Dynamics' JSLSCAD is the first chemical detection system designed with a 360-degree coverage field and range up to two kilometers.
美国西格纳化学SiGNa Chemistry公司的电动自行车以燃料电池燃料作为动力充电一次行使了约90公里。
SiGNa’s fuel-cell powered electric bike will run for 60 miles on a single charge.
Nowak如今正在研究这个系统的化学动力学,也就是将描述带有不同序列的串的生长规律。
Nowak is now studying the chemical kinetics of this system, which means describing how strings with different sequences will grow.
同时,本文还分析和研究了SO2被吸收液吸收时的化学反应机理和吸收动力学。
At the same time, this paper also analyses and studies the chemical reaction mechanism and absorption dynamics when SO2 is absorbed.
对于其他的化学系统,动力学和你在这个实验中观察到的可能有很大不同。
For other chemical systems, the kinetics can be quite different than what you observed in this experiment.
这些燃料因其物理、化学性质不同,所表现出来的动力性能、排放性能、经济性能和其他方面(如存储、运输、原料等)也有很大区别。
The different physical and chemical properties cause the differences of power property, emission property, economic property and other aspects, such as storage, transportation and raw materials.
不过,一些仍然没有足够的效率,把化学能转化机械动力。
However, some are still not efficient enough to turn chemical energy into mechanical power.
有没有通用的动力学、热化学理论可用,可完全替代传统的纯理论计算模型实验的实验室工作。
There is no universal kinetic or thermochemical theory available, which could entirely substitute traditional experimental laboratory work with pure theoretical calculation models.
针对同一矿床矿中矿石具有的相近特点,建立了矿石浸出过程中的化学动力学模型。
Aimed at the similar characteristics of ores in the same deposit, the chemical dynamic model for ore leaching is established.
本文改进了著名的过二硫酸铵与碘化钾反应动力学研究中反应速度的测定,并将测定改为微型化学实验技术。
This is a discussion on improving the determination of chemical reaction rate in the famous study on kinetics of reaction between ammonium persulphate and kalium iodide.
目的:用化学动力学方法预测复方替硝唑凝胶的有效期,为评价其质量提供依据。
Objective: To predict the term of validity for Compound tinidazole gelatin and provide the evidences for its quality control by chemistry kinetics method.
它已广泛应用于物理化学反应的动力学过程分析和热效应可忽略的超精细加工。
They are widely used in the analysis of dynamic processes of various physiochemical reactions and fine processing with minimal thermal shock.
本文介绍了典型振荡反应的特点、机理、数学模型、动力学方程序及在化学和生物学中的某些应用。
This paper introduces the features, mechanism, mathematical model, dynamic equations of the classic chemical oscillation and some applications in chemistry and biology.
在对有关反应的动力学性质、化学发光光谱、紫外可见光谱及其它一系列实验研究的基础上,提出了可能的化学发光反应机理。
A possible reaction mechanism was proposed based upon the studies on the CL kinetic characteristics, the UV-visible spectra, the CL spectra and other experiments.
铜矿物的化学动力学和热力学制约了砂岩铜矿中以辉铜矿为主及矿床分带的形成。
Chemical kinetics and thermodynamics of copper minerals constrain that chalcocite is main and ore zoning form in sandstone copper deposits.
这种系统的动力学行为与化学振荡非常相似。
The dynamic behaviour of the system is much similar to chemical oscillation.
这可能会对结果有显著的影响,特别是如果该反应的化学驱动力小。
This may have significant effect on the results, especially if the chemical driving force of the reaction is small.
本文采用化学动力学的基本原理和方法,对济南泉域岩溶系统碳循环进行研究。
Based on the chemical kinetic theory and method, the carbon cycle in the karst system of the Jinan spring field is discussed in the paper.
化学动力学的主要问题之一,是对单分子反应一级动力学作出解释。
The main problem in the dynamics of chemistry reaction. is to explain the primary dynamics of single molecular reaction.
化学动力学的主要问题之一,是对单分子反应一级动力学作出解释。
The main problem in the dynamics of chemistry reaction. is to explain the primary dynamics of single molecular reaction.
应用推荐