杂多的
- 与 杂多的 相关的网络例句 [注:此内容来源于网络,仅供参考]
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This thesis studied the alkylationperformances of supported heteropoly acid and zeolite catalysts as well as correlativeprocesses, which is significant for theory and practical application.
本论文研究杂多酸及分子筛两类固体酸催化剂的烷基化性能及其相关工艺,具有实际应用和理论意义。
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The main research topics of high-dimensional heteropoly acid structure associated interspersed.
本课题主要研究杂多酸的高维穿插结构相关(主要研究Keggin结构)。
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Heteropoly acid compounds characterized both oxidation and reduction, besides the less environmental pollution, so, to which is be paid more and more attention in catalysis field.
杂多化合物由于兼有酸性和氧化还原性,对环境污染少,在催化领域中受到越来越多的关注。
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The oxido-reduction and reduction-reoxidation specificity of heteropolyacid salts containing various kinds of alkali metals used for one-step oxidition of isobutyraldehyde to produce methacrolic acid was studied by ESR method.
用ESR法研究了异丁醛一步氧化制甲基丙烯酸过程中所用杂多酸盐催化剂的氧化-还原特性。
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The reaction time, the using regenerated catalyst on the yield of Cyclohexanonel, 2-propylene ketal were systematically investigated.
研究了杂多化合物K5CoW12O403H2O作为催化剂对环己酮和1, 2-丙二醇缩酮的催化活性。
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On such basis, a new porous structured heteropoly acid catalyst is obtained by salt-gel reaction, using tetraethyl orthosilicate as the silicon source.
在此基础上,以正硅酸乙酯为硅源,利用&盐—凝胶&法得到一种新型介孔结构的杂多酸催化剂。
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Characteristics of bulk and silica supported copper salt of 12-phosphomolybdic acid were investigated using TG-DTA, FT-IR, XRD, and BET surface area measurement techniques and compared with the results obtained with 12- phosphomolybdic acid.
采用TG-DTA、 FT-IR、 XRD、 BET比表面积等方法,研究了体相及SiO2负载磷钼杂多酸铜盐的性质,并与磷钼酸作了对比。
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The preparation methods of phosphotungstic acid catalyst with Keggin structure were under discussion and research. In order to gain the maximum yield, the best experimental conditions were determined by orthogonal test.
对Keggin型磷钨杂多酸催化剂的制备方法进行了讨论研究,为获得最高收率由正交实验确定了最佳实验条件。
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The results showed that phosphotungstic acid -, PW12/C and PW12/SiO2 were eminent catalysts and had no pollution.
实验结果显示:磷钨杂多酸、PW_(12)/C和PW_(12)/SiO_2是优良的酯化催化剂,对环境无污染。
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A traditional acidification method incorporated with an ether extraction technique was used to prepare silicotungstic acid and phosphotungstic acid with Keggin structure.
采用盐酸酸化-乙醚萃取法制备了Keggin型硅钨酸、磷钨酸,并分别以活性炭和硅胶为载体,采用不同的制备方法制备出一系列负载型杂多酸。
- 推荐网络例句
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In the negative and interrogative forms, of course, this is identical to the non-emphatic forms.
。但是,在否定句或疑问句里,这种带有"do"的方法表达的效果却没有什么强调的意思。
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Go down on one's knees;kneel down
屈膝跪下。。。下跪祈祷
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Nusa lembongan : Bali's sister island, coral and sand beaches, crystal clear water, surfing.
Nusa Dua :豪华度假村,冲浪和潜水,沙滩,水晶般晶莹剔透的水,网络冲浪。