查询词典 sieve

In the preparation method, the raw materials of houghite compound, the alumina, the silica and the molecular sieve are mixed uniformly; then an obtained mixture is molded; the compound is dried and calcined.

其制备方法为：将原料水滑石类化合物、氧化铝、氧化硅、分子筛混合均匀；然后将所得混合物进行成型；将上述化合物进行干燥焙烧。

For many years in industrial ceramics, plastics, stainless steel chemical fillers and equipment, as well as molecular sieve, catalyst and so committed to the development of new products and development of high-tech products, has acquired a patent: for arch support open space (Patent No.: 200420068345.2) and Qu seam lining brick (Patent No.: 200420068344.8), as well as porcelain imperforated column Patent No.

多年来在工业陶瓷、塑料、不锈钢化工填料和设备以及分子筛、催化剂等方面致力于开发新产品和发展高科技产品，获得的专利有：开空支承求拱（专利号：200420068345.2）和曲缝内衬砖（专利号：200420068344.8）以及齿孔瓷柱（专利号：200420068343.3）等。

The immature stage pointed to the development of SE before vacuole membrane was ruptured.In this stage,the cell radial expanding,cell wall incrassation,sieve element plastid and P-protein producing of SE occurred.

未成熟期是指筛管液泡膜破裂之前筛管的发育阶段，在这一时期内出现了细胞的径向扩展、壁的增厚以及筛管质体和P-蛋白质的产生。

I know I love in vain,strive against hope;yet in this captious and intenible sieve I still pour in the waters of my love and lack not to lose still.

我知道我的爱是没有希望的徒劳，可是在这罗网一样千孔万眼的筛子里，依然把我如水的深情灌注下去，永远不感到干涸。

Result The cerebral cortex of model mouse became thinner on the seventh day,partial nervous karyopyknosis was formed,the number of local neuron was reduced;sieve structure was formed,and glial cells were proliferated,with basically the same result on seventh day,fifteenth day and thirtieth day.

结果 7d模型小鼠大脑皮质变薄，部分神经细胞核固缩，局限性神经元数目减少，出现筛网状结构，胶质细胞增生，15d、30d镜下与7d基本相同。

Hybrid mesoporous molecular sieve materials with hexagonal mesoporous structure and covalent bonded polyoxometalates were synthesized based on tetraethoxysilane anti lacunary polyoxometalate, SiW11, via sol-gel method in the presence of triblock copolymers P123 as the structure-directing agent. The influences of molar ratio of inorganic precursors and aging temperature on the structure and the loadings of SiW11 in the hybrid materials were investigated. Some reaction details in the synthesis were revealed.

用嵌段共聚物P123为模板剂，正硅酸乙酯和缺位结构的多金属氧酸盐SiW11为无机前驱体，由溶胶－凝胶法合成了具有六方结构和SiW11共价键联的介孔分子筛杂化材料SiW11/SBA-15，着重考察了无机前驱的配比和老化温度对杂化材料结构及SiW11负载量的影响。

Of conclusion leukaemia patient outside configuration of week blood white blood cell and structural change can pass VCS parameter to determine mensurably, if partial parameter is neuter distributinging breadth of bead cell volume, lymphocyte is average bulk is leukaemia the sieve is checked, diagnosed new index.

结论白血病患者的外周血白细胞形态和结构变化可以通过VCS参数定量地测定，部分参数如中性粒细胞体积分布宽度、淋巴细胞平均体积是白血病筛查、诊断的新指标。

Secondly, the silver based catalysts modified by phosphorus, zirconium, zinc, potassium and so on using molecular sieve as carrier, which were produced by ion-exchange method, had also good catalytic performance for 1,2-propane glycol oxidation to methylglyoxal. The conversion of 1,2-propane glycol and the selectivity of methylglyoxal were both high, and the impurity such as formaldehyde and acetaldehyde in the product is little. At the condition of the temperature 300 ℃, the molar ratio of oxygen to 1,2-propane glycol 1.7:1, the space velocity 6000h~(-1), and the concentration of 1,2-propane glycol 70wt%, the conversion of 1,2-propane glycol is 90% and the selectivity of methylglyoxal is 45% on the Ag-P catalyst.

其次对采用离子交换法制备的负载在分子筛上的银系催化剂进行了研究，发现此催化剂在助催化剂磷、锆、锌、钾等的作用下对丙二醇的低温氧化脱氢具有很高的活性，可以得到较好的丙酮醛的收率，并且产物中的甲醛、乙醛副产物的量比较低；经过对Ag-P催化剂上反应条件的考察，发现当温度为300℃、氧醇比1.7：1、空速6000h~(-1)、丙二醇浓度为70wt%时，丙二醇的转化率为90%，丙酮醛的选择性为45%。

Molybdena oxide and tungsten oxide 10-50 wt.%, and carrier. The catalyst is prepared by introducing nickel, molybdena and tungsten into the carrier containing molecular sieve.

该催化剂由包括向一种含分子筛的载体引入钼、镍和钨的方法制备，其中，各组分的用量使催化剂焙烧后的组成为：氧化镍1-10重量％，氧化钼和氧化钨之和大于10至50重量％，余量为载体。

The ZSM-5/mordenite/zeolite Y intergrowth molecular sieve can be used for preparing ethylene and propylene by catalytic-cracking naphtha in the industrial production.

该ZSM-5/丝光沸石/Y沸石共生分子筛可用于石脑油催化裂解制乙烯丙烯的工业生产中。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。