查询词典 sieve

A technology-oriented companies, ongoing restructuring product innovation, development of a patented technology for chemical, pharmaceutical, oil refining, petrochemical and gas processing, scientific research, experiments of the gas - liquid separation of the metal structured packing, Landfill materials and liquid bulk distribution, sieve towers, water towers apparatus, cutting floating tower, trays, all kinds of Kazi, floating cutting, foam hats, and other tower components.

公司以科技为导向，不断进行产品改制创新，开发出具有专利技术的用于化工、医药、石油炼制、石油化工及天然气加工、科研、试验的气-液分离工程所需的金属规整填料、散堆填料及液体分布器、筛板塔、泡帽塔、浮伐塔、塔盘、各种卡子、浮伐、泡帽等塔内构件。

Road engineering ; asphalt stabilized macadam base ; experimental research ; gradation design ; five control sieve design method

道路工程；沥青稳定碎石基层；试验研究；级配设计；五控制点级配设计方法

Lithium ion-sieve;lithium manganate;low temperature solid phase synthesis method;sol-gel method

锂离子筛；锰酸锂；低温固相合成法；溶胶-凝胶法

A novel topological framework structure of the molecular sieve named CJU-18 is obtained theoretically, which has 18 membered ring open pores.

提出了一种新颖的十八元环超大孔分子筛的拓扑结构模型——CJU-18，它属钙霞石笼作用于六方晶系的P_(63)/mmc空间群。

Aluminosilicate mesoporous sieve s with 13X zeolite units in the pore wall were synthesized with a natural ore,microcline,as the main raw material,and the precursors of 13X zeolite as the crystal source,by integrating the procedures for MCM-41 and 13X zeolite synthesis.

以天然矿物微斜长石为主要原料，以13X沸石前驱体为晶核剂，结合介孔分子筛 MCM-41与13X沸石合成工艺，合成了孔壁中含有13X沸石基本结构单元的铝硅酸盐介孔分子筛。

Visible TTC can eliminate the bacterium individual plant with alcohol inferior crop, the sieve singles out alcohol crop to rest high microzyme of haing tower false silk.

可见TTC能将乙醇产量较低的菌株淘汰，筛选出乙醇产量高的休哈塔假丝酵母菌。

Computer simulation of the mechanism of gas separation through carbon molecular sieve membranes has been developed in recent years, including the development and choice of simulation methods, and the non-equilibrium molecular dynamics method.

介绍了近几年来碳分子筛膜气体分离机理研究的状况，包括模拟方法的发展和选择、已有的非平衡分子动力学方法及目前模拟研究成果。

Many major factors were taken into account in this model, which may be used in the dynamic simulation process for the paraffins separation on molecular sieve due to its higher computational efficiency.

论文所采用的模型由于包括诸多影响过程性能的主要因素，数值方法计算效率高，能很好地用于分子筛脱蜡过程的动态模拟。

Large and medium scale air separation unit ; Molecular sieve purification system ; Adsorbent ; Uniform distribution ; Energy save

阐述了大中型空分设备分子筛纯化系统的技术新进展，详细分析了分子筛纯化系统设计以及运行中常见故障的预防和处理，对分子筛纯化系统设计制造方面的进步进行了展望。

The following dehydration techniques of ethanol: distillation ,molecular sieve separation,membrane separation and corn adsorption are mainly concerned.

介绍了采用精馏法、分子筛分离法、膜分离法和作物吸附法制备无水乙醇的方法及其近年来无水乙醇制备的新进展。

Cynanchum Lingtai apricot production in the average weight 65 grams, the brightly-colored fruit, juicy rich, sweet-sour taste, sweet from the nucleolus, when the late Qing Dynasty famous Shaanxi, Gansu provinces, the Qing imperial court Tongzhi tribute for years.

灵台生产的牛心杏平均单果重65克，果实色泽鲜艳，汁多味浓，甜酸适口，离核仁甜，清末时就驰名陕、甘两省，清同治年间曾为朝廷贡品。

Chenopodium album,Solanum nigrum, and Amaranthus retroflexus were very susceptible to the herbicides. Polygonum persicaria and Abutilon theophrasti were relatively less susceptible to the herbicides, and Lycopersicon esculentum was not susceptible to it. The relationship between reduction rates of weed biomass and PPM values of weed leaves 2,4, and 6 days after treatment was established.

供试的6种杂草对该混剂的敏感性存在显著差异：红心藜Chenopodium album、龙葵Solanum nigrum和反枝苋Amaranthus retroflexus对该混剂最敏感，ED90值分别为47.65、71.67和29.17g/hm2；春蓼Polygonum persicaria和苘麻Abutilon theophrasti敏感，ED90值分别为96.91、114.20g/hm2；而番茄不敏感。