查询词典 sieve-portion

It is shown that there are plenty of ultramicropores (width less than 0.7 nm) in the ACF, which make ACF having the function of molecular sieve, and the pore size distribution of ACF becomes wider with increasing surface area.

研究表明ACFs含有大量的小于0.7 nm的极微孔，这些极微孔对吸附等温线的贡献较大，并且在吸附过程中赋予ACFs分子筛特性。

Therefore produce good condition and make the materials smaller than the output granularity, especially the big-density materials and pulp get through the sieve pore together.

从而造成了较好的分离条件，使小于分离粒度的物料，特别是比重大的物粒和矿浆一起透过筛孔成为筛下产物。

Mesoporous alumina represents a very interesting molecular sieve exhibiting a narrow pore size distribution and relatively large pore size compared with conventional alumina.

和传统的氧化铝相比，介孔氧化铝具有狭窄的孔径分布和较大的孔径。但作为固体酸催化剂，氧化铝表面的酸性不是很强。

In the paper, adsorption equilibrium and kinetics of water in the solvents of benzene series and low-carbon alcohol on 3A zeolite molecular sieve were studied including effective pore size of zeolite, adsorbate concentration and temperature. The mechanism and characteristics of water adsorption in such systems, the effect of solvents to adsorption equilibrium and kinetics of water were discussed, and diffusivities of water under different conditions were obtained.

论文研究了苯系列物质—水体系、低碳醇—水体系中水在3A沸石上的吸附动力学，考察了沸石晶格窗口大小、吸附质浓度、温度等因素对吸附动力学的影响规律；分析了吸附机理以及两类体系的特点；通过数学模型对实验数据的拟合，求取了各种条件下的动力学参数；研究了两类体系的溶剂对吸附平衡和动力学的影响。

The composite molecular sieve with the pore advantage of the mesoporous material, the high acidity and high hydrothermal stability of microporous material has comprehensively applicational prospects in the fields such as petrochemical industry, adsorption separation, macromolecule shape selective catalysis, and so on.

复合分子筛同时具有介孔材料的孔道优势和微孔分子筛的强酸性及高水热稳定性，在石油化工、吸附分离、大分子择形催化等领域有广泛的应用前景。

The invention provides a nanometer catalyst for liquid phase oxidation process of cyclohexane, which is characterized in that a silica molecular sieve SBA-15 with meso pore canal is taken as a carrier; one or a plurality of transition metals is/are taken as active component, which is highly dispersed in the carrier, with lower content ranging from 1 percent to 3.5 percent of mass.

一种用于环己烷液相氧化的纳米催化剂，其特征在于：采用具有介孔孔道的全硅分子筛SBA-15为载体，一种或数种过渡金属氧化物为活性组分，活性组分在载体上高度分散，含量较低，范围为1％-3.5％质量。

Our factory has the ability to manufacture the most precise most durable arc-shape sieving plate, We can deal with the materials whose thickness exceeds 0.05mm, with the nice geometrical shape and nipping edge and the strong incise capability, high-performance of doff-media, not only can ensure the highest efficiency but also could avoid the jam of the sieve pore to the greatest extent.

本厂有能力制造最精确最耐用脱介最好的弧形筛面，可以对0.05mm以上的物料进行处理。其线材几何形状好，切边锋利，对物料的切割能力强，脱介性能好，不但能确保最高的效率，而且能最大限度的避免筛孔堵塞。

CJU-18; Extra large pore molecular sieve ; Topological framework structure ; Can-crinite cage

CJU-18；超大孔分子筛；骨架拓扑结构；钙霞石笼

The three-dimension solid and finite element model of the greatness pulsation bag style dust catcher structure,including middle case ,sieve pore,lower column,beam and ash bucket was built based general finite analytic software ANSYS.

基于有限元软件ANSYS建立了包括中箱体、花板、下立柱、横梁和灰斗等在内的某大型袋式除尘器结构的三维有限元模型，对除尘器结构强度进行了热力场仿真计算，给出了中箱体和灰斗的应力、应变等云图。

In the present dissertation, a surfactant-templated mesoporous silica molecular sieve with high pore volume, high porosity and narrow bimodal mesopore size distribution was synthesized for the first time in a reaction system, which was used usually in the synthesis of mesoporous MCM-41 molecular sieves, by a judiciously controlled two-phase sol-gel processing under basic conditions.

在本论文中，我们通过对一个通常用于制备介孔MCM-41分子筛的反应体系中正硅酸乙酯水解与缩合反应相对速率的精确调控，首次在弱碱性体系中合成了一种具有高孔隙率、大孔体积和双介孔孔分布特征的新型二氧化硅分子筛材料，简记为BMS，并对BMS二氧化硅分子筛中双介孔结构形成的原因及各种可能对其结构和性质产生影响的合成因素如Ammonia／silica摩尔比、组分浓度的变化、表面活性剂烷基链长度的调节、辅助有机物均三甲苯的引入、催化剂的结构和性质、溶剂和助溶剂的极性和用量、老化和干燥条件的变化及合成后水热处理等，利用不同的测试手段如XRD，SEM，TEM，〓Si MAS NMR，TG-DTA，N〓吸附测试等进行了系统的表征研究。

And discuss some key point of integrated management system design, include hazard identification and risk assessment and risk control in the occupational health and safety management, the measure of satisfaction target of customer, the flawlessness of law system, the integration of the integrated management system and enterprise standardization system, unify lead institution and work orgnization, integreted internal audit and integrated management review.

同时，论述了一体化管理体系构建中的几个主要问题，包括职业健康安全管理中的危险源辨识、风险评价和风险控制、顾客满意度的科学监测、法律、法规体系的完善、一体化管理体系与企业标准化体系的有机结合、统一的领导机构和工作机构、一体化的内部审核和管理评审。

Deepwater Taranaki is investigated for its petroleum potential, using all available seismic data tied to shallow-water wells.

运用与浅水井相关的现有全部震波探测数据考察了深海区塔拉纳基盆地的油藏前景。