乙烯
- 与 乙烯 相关的网络例句 [注:此内容来源于网络,仅供参考]
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Green room: Cockscomb addition to uranium and other radioactive; Aloe three of vinyl chloride, hydrogen sulfide, benzene and other organic matter, and absorb dust, bacteria; cactus absorb the infection; aspartic In addition to heavy metal particles; Chlorophytum is very suitable for on raising plants indoors and do not bother Oh!
房间养几盆绿色植物:鸡冠花除铀等放射性;芦荟除三氯乙烯、硫化氢、苯等有机物,并吸收灰尘、细菌;仙人掌吸收病菌;天门冬除重金属微粒;吊兰是非常适合室内养植且不费心的植物哦!
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The field of machinery industry of the friction coefficient of PTFE small, the static coefficient of friction lower than the dynamic friction coefficient, can be used for low-speed high-load areas, such as in construction, chemical, bridges and other structures to resolve cases arising from thermal expansion and vibration of the stretching problem.
机械工业领域聚四氟乙烯的的摩擦系数小,其静摩擦系数低于动摩擦系数,可用于低速高负荷领域,如在土建、化工、桥梁等结构件中可解决热膨胀和震动引起的伸缩问题。
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The differences of electric mechanism, phase behavior and high temperature stability of cyhalothrin drug-loading microemulsion were investigated when the dodecyl benzenesulfonic salts combined with five coherer counter-ions and polyoxyethylene styrenyl ether were mixed at the same molar ratio.
将十二烷基苯磺酸盐和苯乙烯化苯酚聚氧乙烯醚按摩尔比1∶1混合后,结合5种金属反离子配成增溶高效氯氟氰菊酯的载药微乳体系,研究其在导电机理、相行为及热贮稳定性上的差异。
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The method can precisely regulate and control the operation time of silicon rubber cold curing; the operation time endures from several minutes to several hours, and the design of the curing process is greatly facilitated.
本发明公开了一种操作时间可控的端乙烯基硅橡胶室温固化方法,该方法可精确调节控制室温硅橡胶操作时间,使得操作时间从几分钟到若干小时,极大方便了固化加工工艺的设计。
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For example, at 250 ℃ steam valve, the use of asbestos packing and co-lead by alternative Diego, the situation would reduce the steam leakage; some valves, medium constantly changing, such as the asbestos packing and Teflon tape common use, seal it better.
例如,在250℃蒸气阀门中,用石棉盘根和铅圈交替迭合,漏汽情况就会减轻;有的阀门,介质经常变换,如以石棉盘根和聚四氟乙烯生料带共同使用,密封效果便好些。
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The results showed as follow:①Chinese astringent persimmon were climacteric respiration fruit, the respiration climacteric stage occurred at speediness softening stage. Ethylene climacteric stage and respiration climacteric stage were almost occurred at one time.②The activities of EXP, PG, PE, CX all had increased, and EXP increased early with PG, PE, CX in turn in persimmon fruit during ripening and softening.③Concomitancy to fruit softening, ultrastructural changes in the mesocarp tissue were occurred at speediness softening stage, showed as disaggregation of middle layer of cell wall, appearance of fibre-like structures, disorganization of chloroplast and distortion of some mitochondria.
研究结果显示:①中国涩柿属呼吸跃变型果实,在其快速软化期出现呼吸跃变;乙烯跃变与呼吸跃变几乎同期出现;②在成熟软化过程中,EXP、PG、PE、CX的活性均有上升,EXP活性上升最早,随后依次是PG和PE、CX;PG活性上升幅度最大;③伴随果实软化,果肉组织超微结构在快速软化期中胶层解体、丝状体出现,叶绿体解体、部分线粒体变形;④1-MCP可延缓柿果实硬度下降,常温下延长保硬期5-7天。
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By Vis-UV detector, column efficiencies of conically shaped preparative chromatographic columns with porous polytetrafluor oethylene frit and porous stainless steel frit were compared.
利用柱后可见-紫外检测,比较了采用多孔聚四氟乙烯材料和多孔烧结不锈钢材料作为台锥形制备液相色谱柱柱头筛板材料时的柱效;用柱上可视化方法研究了柱头筛板的直径对流型的影响。
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With IGBT inverter welding machine-licensing its leading technology, high stability, reliability and excellent energy-saving performance at home in the welding industry has a good reputation and greater influence, widely used in China's missile and delivery Welding on the rocket, used in China's container production line; Isuzu car used in the production line; Shell 800,000 applications in Dayton ethylene project construction projects; applications installed in thermal power Engineering; application in Guangzhou Wenchong Shipyard production line… Han ID the company will take the U.S. electrical and Guangzhou-with the support, the United States will be the most advanced welding technology with China's most advanced welding technology organic integration, using "with sincerity" Business as a production base, production of international standards of cost-effective leading welding equipment.
同诚牌IGBT逆变焊机因其领先的技术,高稳定、可靠性及优异的节电性能在国内焊机行业中拥有良好的声誉和较大的影响力,广泛应用在中国的导弹和运载火箭的焊接上,用在中国集装箱集团的生产线上;应用在五十铃汽车的生产线上;应用在壳牌八十万顿乙烯工程建设项目上;应用在火电安装工程;应用在广州文冲船厂生产线上…瀚金公司将以美国ID电气和广州同诚为依托,将美国最先进的焊接技术与中国最先进的焊接技术有机融合,利用"同诚"等企业作为产品生产基地,生产具有国际领先水平的高性价比焊接设备。
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As compared to the l max absorption of regioregular poly(3-alkylthiophene)s (RR-P3ATs), the red-shift about 120 nm for RR-P3ATVs resulted from the more coplanarity and the longer conjugation length due to the additional vinylene linkage introduced to the conjugated chains.
与立体规则性聚(3-烷基噻吩)(RR-P3ATs)比较, RR-P3ATVs 之 UV-vis 最大吸收波长约有120 nm 的红外移,显示共轭主链导入乙烯基后,有较佳的共平面性与较长的共轭长度。
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This approach can be applied to the self-condensing vinyl copolymerization system due to the same reaction mechanism.
由于反应机理上的相似性,本文的研究成果对自缩聚乙烯基共聚合体系也同样适用。
- 推荐网络例句
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But we don't care about Battlegrounds.
但我们并不在乎沙场中的显露。
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Ah! don't mention it, the butcher's shop is a horror.
啊!不用提了。提到肉,真是糟透了。
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Tristan, I have nowhere to send this letter and no reason to believe you wish to receive it.
Tristan ,我不知道把这信寄到哪里,也不知道你是否想收到它。