查询词典 ethylene

Xylene, heavy oil fuel, sulphur, poly Ethylene and other products.

二甲苯、燃料重油、硫磺、聚乙烯等产品。

Main physiological and biochemical parameters were studied in different mature stage and during ripening and senescence of tomato and strawberry fruits at pink stage after harvest under low and normal temperature.

中文题名Ca2+、CaM及其目标酶与乙烯诱导番茄和草莓果实成熟衰老关系的研究副题名外文题名 Studies of relationship between Ca2+，CaM，its target enzymes and ethylene inducing maturation，ripening and senescence of tomato and strawberry fruits 论文作者顾采琴导师席玙芳李广敏学科专业食品科学研究领域\研究方向学位级别博士学位授予单位浙江大学学位授予日期2003 论文页码总数117页关键词果实植物生理学番茄草莓乙烯馆藏号BSLW /2003 /Q945 /34 研究了跃变型果实番茄和非跃型果实草莓不同成熟度以及粉红期两种果实采后置于低温和常温下后熟衰老过程中与成熟衰老有关的主要生理生化指标的变化。

Since the construction of our plant since the product's quality and hospitality services, for the success of the Shenyang Yongxin Chemical Co., Ltd. liquid chlorine production line renovation project, the Northeast heating DG ultra-high housing projects, Shen-heating plant project, Dawn Living in district heating production projects, Shenyang third thermal heating network engineering company, the Shenyang Hunnan Development Zone 1, 2 heating network project, silver-Housing Industry Co., Ltd imperial garden heating project, South Lake Science and Technology Development Zone of heating network Engineering, chemical detergents factory in Fushun, ethylene plants, oil Plant, the three plants, pipelines and tank insulation works, Chuanjiang teachers Village of network engineering, Burundi Food Co. steam network engineering, Northeast First Intelligent Community roof villa Insulation works, Inner Mongolia, the national reserves (Tongliao the bar high for Hushuo) large enclosed deck insulation, such as a large number of influential works of fine works, factory aim is quality, integrity services to high-quality products for all sectors to provide first-class Services

我厂自建厂以来产品的高质量和热情周到的服务，成功的为沈阳永新化工股份有限公司液氯生产线改造工程、东北电管局超高屋供暖工程、沈飞厂区供暖工程、黎明生产区生活区供暖工程、沈阳第三供暖公司热网工程、沈阳浑南开发区一、二期热网工程、银基房业有限公司帝王花园供暖工程、南湖科技开发区热网改造工程、抚顺洗涤剂化学厂、乙烯化工厂、石油二厂、三厂、罐体及管线保温工程、川江教师新村热网工程、隆迪食品有限公司蒸气网工程、东北第一智能小区别墅屋面保温工程、内蒙国家储备库大型仓面保温密闭工程等一大批有影响的优良工程，本厂宗旨是质量为本、诚信服务，以优质的产品为各界提供一流的服务

Aromatic solvent naphtha was obtained by two-stage synthesis from C9 fractions from ethylene cracking with boiling range of 100~200℃ in the presence of Lewis acid as catalyst.

以沸程在100~200℃乙烯副产C9馏分为原料，进行了以Lewis酸为催化剂的两段聚合法制备芳烃溶剂油工艺的研究。

The company has first-class rubber production technology, clever use of rubber of the special performance, in accordance with customer needs, develop the design and manufacture of silicon, fluoride, ethylene propylene diene monomer and other special properties (high temperature, low temperature, electrical insulation, corrosion resistant chemical mediator, conductive, flame retardant, oil, etc.) all kinds of rubber products, but also the production of sponge rubber products (silicone sponge, other natural synthetic rubber sponge), product quality and tolerance of the appearance of the inspection of all sizes the production implementation of national standards for excellence Ministry of Chemical Industry corporate culture, enhance the competitiveness of my company.

本公司拥有一流的橡胶生产技术，巧妙地运用橡胶所具有的特殊性能，可根据客户需要，开发设计和生产硅、氟、三元乙丙等各种特殊性能（耐高温、低温、电绝缘、耐化学介质腐蚀、导电、阻燃、耐油等）各种橡胶制品，还生产海绵橡胶制品（硅胶海绵、其他天然合成胶海绵），产品外观质量及公差尺寸生产检验全部执行化工部国家标准优秀的企业文化，提高了我公司竞争力。

The amount ofethylene release by shoot apex and root showed no difference between iron-deficient treatment and control plants above before the appearance ofrelatively high reductase activity,which indicated that ethylene may not playa direct role in regulation of root ferric reductase activity,and the inhibitionof which by〓and〓may be caused by other reasons.

缺铁处理植株茎尖和根系乙烯释放量的测定结果显示，三种植物中，缺铁与对照植株的茎尖及根系所释放的乙烯可能不直接参与缺铁根系还原酶的调控，〓和〓对缺铁根系〓还原酶活性的抑制可能是其它原因所致。

We have many experiences in cryogenic storage, receiving and send-out system and high-pressure storage, receiving and send-out system which apply to liquid oxygen, liquid nitrogen, ethylene, propylene, LPG, VCM, butadiene and molten Caprolactum etc. various kinds of petrochemical products.

我们的团队特别对，应用在高纯度液态气体、液态乙烯、液态丙烯、氯乙烯、液化气、丁二烯、液态己内醯胺等各种原料，所需之超低温(最低零下196℃)存贮系统，接收站及发货站系统，高压存贮系统，接收站及发货站系统，有着非常丰富之经验。

The computational model andsimulation method are tested by post-process and visualization of experimentalresults. The application of 2-D Particle Image Velocimetry is also discussed.8 Optimal design of the furnace tube system in an ethylene-cracking furnace isstudied as a practical example. Screw-pitch of the static mixer unit andinstallation layout of tubes with static mixer is discussed.

讨论了先进的二维PIV实验方法应用的可能性。8、以一台典型的工业炉——乙烯裂解炉为例，对静态混合式炉管进行结构优化设计，优化参数涉及元件螺距、安装方式——如安装间距、安装个数、安装方向和相位角等，提出随着静态混合元件的螺距的增大，安装间距也在增大。

The 2×10^4 m^3 low temperature storage tank with double metal walls is an ethylene storage tank of the 35×10^4 t VCM equipment in Tianjin Bohai Chemical Co., Ltd., and is the structure with double metal walls plus an outer dome roof and an inner suspension ceiling.

2万立方公尺金属双壁低温储罐是天津LG渤海化学有限公司35万t VCM装置的原料乙烯储罐，设计型式为金属双壁、外拱顶内吊顶结构。

Firstly, we should prepare polyester glycol in order to prepare water-borne polyurethane emulsion used to wooden furniture. Polyester glycols having designed molecular weight of 1000 are synthesized by ethylene glycol and mixture of phthalic anhydride and adipic acid (morl radio =40:60)on condition that molar excess content of glycol is 15%, and high vacuum time is 8h.The produced polyester glycols having the same molecular weight as designed measure up to standard of material. And Water-borne polyurethane emulsion's hardness is better than others are produced by aliphatic polyester glycol.

为了制得性能优越木器用水性聚氨酯乳液，首先我们从制备水性聚氨酯用的原料聚酯二元醇入手，我们设计了分子量为1000的聚酯二元醇，它使用邻苯二甲酸酐和己二酸以摩尔比40：60混合后再与乙二醇反应，反应时醇的摩尔过量15%，真空时间8小时，所得的聚酯二元醇，在此条件下酸值基本上能符合用作聚氨酯原料的要求，所测得的分子量也与设计的分子量非常接近，且用它来制得的水性聚氨酯乳液，其涂膜硬度，相对于单独用脂肪族聚酯二元醇制备的水性聚氨酯的要优。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。