可酸化的

At present, I plant the production of calcium fluoride products can meet the sulfuric acid, metallurgy, ceramics, such as the needs of different industries.

目前，我厂生产的氟化钙产品可满足制酸、冶金、陶瓷等不同行业的需要。

The Pt/FDU-14 catalysts can be effectively applied in the asymmetric hydrogenation of ethyl pyruvate after chirally modified with cinchonidine.

考察了经过手性分子辛可尼定修饰后的Pt/FDU-14催化剂在丙酮酸乙酯不对称氢化反应中的催化性能。

B ides the tellurides mentioned above that are common in gold deposits, Te isalso seen in such rare minerals as hessite, Au2Te and, a variety of unnamed telluritesand tellurates that may be subdivided into Au-bearing and Au free minerals.

除上述碲化物外，碲在本矿床形成罕见的碲银矿、Au2Te和种类繁多的未名碲化物、碲酸盐等含氧盐，含氧盐进一步可分为含 Au、不含Au，包括 AuT。。。

Under low temperature, n-butane isomerization on SO_4~2-/ZrO_2 and Cs_xH_(3-x)PW_(12)O_(40) catalyst proceeds through a monomolecular pathway in the initial stage of the reaction.

利用原位固体核磁共振技术可定量分析的优点，详细研究了上述三种酸催化剂上的正丁烷异构化反应动力学。

The invention relates to a process for producing polyethylene terephthalate 1, 3-propanediol, which comprises the following steps: using titanic acid ester as major catalyst, using germanium compounds and cobalt compounds as synergic catalyst, conducting esterification reaction for poly terephthalic acid and 1, 3-propanediol according to the molar 1:1.05-2.2 under the nitrogen pressure of 0.1-0.4MPa and 230-265 DEG C, or conducting ester exchanging reaction for poly terephthalic acid and 1, 3-propanediol according to the molar ratio 1:1.8-2.2 in 160-220 DEG C, decompressing reaction to high vacuum 10-150Pa, wherein the final temperature of reaction is 265-275 DEG C, recovering to normal pressure with nitrogen to obtain the PTT product.

本发明涉及一种生产聚对苯二甲酸1，3-丙二醇酯的方法，采用以钛酸酯为主催化剂，锗化合物和钴化合物为协同催化剂，对苯二甲酸二甲酯和1，3-丙二醇按摩尔1∶1.05-2.2，在0.1-0.4MPa氮气压力和230-265℃下进行酯化反应，或对苯二甲酸二甲酯和1，3-丙二醇按摩尔比1∶1.8-2.2，在160-220℃进行酯交换反应，将反应减压至高真空10-150Pa，反应终温在265-275℃，用氮气恢复到常压，得到本PTT产品；大大缩短了反应时间，直接聚合制备特性粘度在0.7-1.05dL/g的PTT切片，使反应产物色相良好，PTT产品可用于纤维加工及工程塑料领域。

The main intermediates of phenol degradation were benzoquinone and organic acids such as oxalic acid and maleic acid and the final product was carbon dioxide,therefore the technique could be used as a waste minimization process for recycling the treated water.

苯酚降解的主要产物为苯醌、丁烯二酸和草酸，最终产物为二氧化碳，因此该工艺可用于有机物污染最小化处理和处理水的回用。

A three-dimensional large pore zeolite Hβ is used in the benzoylation of anisole instead of the classical Lewis acid catalysts to synthesize the important fine chemical intermediate 4-methoxybenzophenone.

采用高硅铝比、热稳定性好的三维大孔Hβ沸石替代传统Lewis酸催化剂催化苯甲醚的苯甲酰化反应，合成了重要精细化工中间体4-甲氧基二苯甲酮，收率可达92%。

Lauryl alcohol maleic anhydride increases the stability of the blends while, at the same time, decreasing the melting temperature and glass transition temperature.

6马来酸单十二醇酯可提高共聚物稳定性，同时降低共聚物的熔点和玻璃化转变温度。

The result indicated the black beans make black beans juice to be advantageous for the increase. And the best increase is in saccharify, the best recruitment is 8％, We can product black beans beer's original wheat juice density is 10.5％, total acid is 1.60mL/100mL,spirit content is 3.3%, the non-biological stability is good and the feeling in the mouth is neat, the taste is gentle.

结果表明，将黑豆制成黑豆汁便于添加，其最佳添加方式为糖化时添加，最佳添加量为8％，可制得总酸为1.60mL/100mL、原麦汁浓度为10.5％、酒精含量为3.3%的黑豆啤酒，非生物稳定性良好，口感清爽，口味柔和。

Hydroesterification of tert-butyl alcohol with ethanol catalyzed by transition metal triphenylphosphine complexes were investigated in room temperature ionic liquids as reaction medium at 100-140℃ and 3-6MPa of CO.

首次在超强酸氯铝酸离子液体中实现了饱和烷烃的羰化反应。发现2，2，4-三甲基戊烷可直接与CO反应，产物叔丁基异丁基酮，叔丁基异丁烯基酮和3，3，5-三甲基环己酮。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。