查询词典 sieve

Using phosphorous acid as the source of phosphorus, pure phase of AlPO〓-41 molecular sieve was easily synthesized in aqueous solution.

考察了系统中水量变化、正二丙胺量变化以及两者的比例关系对反应产物的影响。

Based on the FT-IR analysis of molecular sieve film on the cordierite supports, a shoulder peak at 1050cm-1 should be the vibration of out framework Si-O, and not strong interrelated with the size and shape of TS-1 crystal.

通过对堇青石上的分子筛涂层进行FT-IR分析，发现1050 cm-1处的肩峰是由分子筛骨架外的Si-O键振动所引起的，而与分子筛的晶粒大小和晶体形状关系不大。

At least 80% by weight of the particles pass through a sieve with 63 micrometres mesh.

以重量计，微粒80%以上可通过孔眼 63 微米的筛格，并以重量计最少须含85%的金属锌。

With high specific surface area, ordered pore structure, facilely tailorable pore size, and fine chemical stability and thermostability, Mesoporous molecular sieve MCM-41 has wide application prospects in many fields, such as catalyst chemistry, adsorption and separation.

介孔分子筛 MCM-41 具有比表面积高、孔道结构规则及孔径易调节、化学稳定性和热稳定性好、表面易改性等优点，在催化化学和吸附分离等领域都有很大的潜在应用前景。

The reaction was investigated in the synthesis of maleate using maleic anhydride and methanol as raw materials and solid acid as catalyst, and it was found that sodium bisulfate catalyzed the reaction more efficiently than that of molecular sieve.

考察了固体酸对顺丁烯二酸酐和甲醇合成马来酸酯的催化作用，结果表明，硫酸氢钠比分子筛的催化效果好。

Sieve and fill the mixture in the caramel container, and bake in bain-marie for 30 minutes. Leave to cool. Invert to serve.

蛋液混合物过筛后，填满已加入焦糖的焗盅；隔水蒸焗约30分钟至熟，待凉，再从焗盅倒出来享用。

The results showed that ZSM-5 zeolite sieve could be synthesized using aqueous ammonia and EDA as template agent.

以离子交换的方式制备了Ni-ZSM-5和Pb-ZSM-5等催化剂，同时以XRD和IR为手段，对分别以氨水和乙二胺为模板剂合成的ZSM-5沸石分子筛的结构进行了比较。

The ZSM-5 zeolite sieve was synthesized using aqueous ammonia and EDA as template agent.

利用氨水和乙二胺等为模板剂合成了ZSM-5沸石分子筛，研究了合成温度和时间对分子筛合成的影响。

In the mine of Ruashi, about 20 kilometres outside Lubumbashi, around 4,000 miners, some as young as eight, dig and sieve from dawn to dusk.

在卢本巴西外20公里左右的RUASHI矿，有大概4000名矿工，有的只有8岁大，从早到晚挖矿筛矿。

I use an example quoted by Hu Jiaqi:"It is reported that America separates the DNA of a kind of virus by making use of genetic technology and combines it with another kind of DNA. Finally, they get a kind of virulent biological agent called a "pyrotoxin". Someone discloses in private that 20 grams of such a kind of biological agent could result in the global death of 6 billion people due to infection."

我在这里例举胡家奇所引用过的例子："据报道，美国利用转基因技术，将一种病毒的DNA分离出来，与另外一种DNA进行结合，拼结成一种剧毒的"热毒素"生物战剂，且私下有人透露，这种生物战剂只需20克，就可以导致全球60亿人全部感染死亡。"

Waiting, for the queers and the coons and the Reds and the Jews.

等待着疯子和黑人还有红色共产主义者还有犹太人