查询词典 Titanic

The structure and photocatalytic activity of the TiO2 prepared from the treatment of nanotubed titanic acid in CO was investigated.

研究了在CO气流中，处理温度对纳米管钛酸脱水产物TiO2的结构及C3H6光催化氧化反应活性的影响。

A salt or an ester of titanic acid.

触雷导致了潜艇的沉没。

The surfaces of nano-TiO2particles were treated by titanic acid ester couplingagent before blending with PS.

采用钛酸酯偶联剂对TiO2进行表面处理并与聚苯乙烯共混改性。

With a nitrogen purge after treatment at 300℃ the nanotubed titanic acid could not be suit as stationary phase for analysis of hydrocarbons C〓～C〓.

在300℃和N〓气氛下处理以后，纳米管特性完全消失，其不适宜再作为分析C〓～C〓烷烃的固定相。

The treatment of nanotubed titanic acid by heat under vacuum not only can cause the change for crystalline structure d morphology and surface property but also give affection to retention time and peaks symmetry of analytes.

在150℃、-0.1MPa真空下对钛酸纳米管处理以后，其形貌、结构和表面性质均发生变化，并对C〓～C〓烷烃分离的保留时间和色谱峰对称性产生影响。

But the titanic acid nanotubes were thermally unstable.

发现钛酸纳米管在高温时向锐钛矿结构转变，相转变的机制是由于纳米管在热力学条件下层间和层内进行脱水，正交结构遭到破坏后结构进行重新排列而导致的。

Peroxo titanic acid sol; needle-like anatase crystal sol; nano TiO2 thin films; hydrothermal reaction; photocatalysis

过氧钛酸溶胶，针状锐钛矿晶粒溶胶，纳米TiO2薄膜，水热反应，光催化

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。

Atalysts ; titanic ; acid ; esterification ; di（2ethyltexyl） phthalate

催化剂；钛酸；酯化；邻苯二甲酸二异辛酯

He is Titanic's Captain Smith .........

他就是铁达尼号的船长史密斯。。。。。。。。。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。