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- The composition change of unstable samples such as Na,K, Cu,and Ag in glasses,mineral and fast ionconductors during EPMA analysis process was studied. 研究了玻璃、矿物和快离子导体等不稳定样品在电子探针（EPMA）分析过程中，样品中Na、K、Cu和Ag等组份随分析时间变化的特性。
- The chemical composition changes takes place during pickle salting process. 榨菜在加工腌制过程中,化学成分发生了不同的变化。
- This article analyzes the composites change and the treatment of China MSW,and proposes a comprehensive treatment model. 通过分析我国城市垃圾成分变化及处理现状,提出一种综合处理模式。
- At pegmatite contacts the composition changes to chalcopyrite, millerite, pyrite, and violarite accompanied by magnetite and hematite. 在伟晶岩接触带，硫化物成分变为黄铜矿、针镍矿、黄铁矿及硫镍铁矿，伴生有磁铁矿和赤铁矿。
- In pre-oxidization and carbonization, there were strong chemical reactions and composition changes occurred inside fibers. 预氧化和高温炭化阶段是成分变化较大的阶段，也是化学反应最剧烈的阶段。
- Abstract TDG-MS was applied to study the composition changing of blue gel pen inks on paper during artificial ageing at the time of this study. 摘要 采用热重-质谱联用（TDG-MS）技术研究纸张上蓝色签字笔墨水在人为老化过程中组分的变化情况。
- Simulation experiment was carried out on composition changes of air and crude oil in low-temperature oxidization (LTO) at reservoir temperature and reservoir pressure. 摘要通过空气与原油在油藏温度和一定压力下低温氧化过程的模拟实验，对反应前后气体与原油的组成进行分析。
- He had to make a quick change at Shanghai. 他不得不在上海匆忙换车。
- Take a change of clothes with you. 把你替换的衣服带去吧。
- He was hostile to any change in our plan. 他反对我们计划中的任何改变。
- Can you change a five-pound note? 你能换开五英镑的票子吗？
- He sweated out his composition in several hours. 他苦干了几个小时才写出了作文。
- Before two kinds allow to be offerred through HFC compositive change a service, last kinds apply at VDSL network commonly, can provide sound, video and data signal for different terminal unit. 前两种答应通过HFC提供集成化服务，最后一种一般应用于VDSL网络，可为不同终端设备提供声音、视频和数据信号。
- The effects of reaction temperature, initiator concentra-tion and monomer ratio on copolymer composition were studied, the law of copolymer composition changing with monomer conversion was discussed. 研究了反应温度、引发剂浓度、单体配比对共聚物组成的影响,分析了共聚物组成随转化率的变化规律。
- There is an imperceptible change in temperature. 温度有细微的变化。
- This is where we change from car to bus. 这就是我们从小汽车换乘公共汽车的地方。
- He wrote a composition or (he) read an essay. 他写作文或读散文。
- You don't need my say-so to change things. 你不必向我请示可自行做些变动。
- He find it impossible to make her change her mind. 他发现使她改变主意是不可能的。
- His composition is far superior to mine. 他的作文比我的好多了。
