查询词典 TIO

Quinclorac and allyl alcohol as raw materials, 3, 7-dichloro-8-quinolinoxylic acid allyl ester was obtained when catalyst is oil of vitriol or super solid acid SO〓/TiO〓. Using both catalysts, organic synthesis technology process was made respectively, and the ester was analyzed and characterized by IR spectrum and NMR spectrum Through experiment, both preparing conditions were optimized and discussed respectively.

以TiO〓为载体负载SO〓制备出固体超强酸催化剂，确定了SO〓/TiO〓催化剂制备的技术路线，以丙酸正丁酯为探针实验，考察了新型固体酸催化剂SO〓/TiO〓的催化活性及制备条件对催化活性的影响，对影响其催化效果的工艺条件进行了优化，并探讨了影响的规律性。

Basanite and tephrite from Mt. Crater, Cape Bird and Bonney Lake exhibit similar composition in major elements and trace elements, rare earth elements . They are enriched in MgO, TiO〓, transitional elements and compatible elements , and depleted in SiO〓, Al〓O〓, Na〓O, K〓O, incompatible elements and rare earth elements; Latite from Cape Rodeys and Cape Evens are different from basanite and tephrite, they are enriched in SiO〓, Al〓O〓, Na〓O, K〓O, incompatible elements and rare earth elements, and depleted in Mgo, TiO〓, transitional elements and compatible elements. Volcanic rocks in five regions have the same isotopic ratio of 〓Sr/〓Sr (0.703115-0.703334) and 〓Nd/〓 Nd (0.512892-0.513076), however,〓Pb/〓Pb ratio in volanic rocks from Mt. Crater, Cape Bird and Bonney Lake is lower than those of Cape Rodeys and Cape Evens.

在主元素氧化物和微量元素、稀土元素含量上，克雷克特山、鸟角和博尼湖南岸的碧玄岩、碱玄岩成分比较类似，均具有较高的MgO、TiO〓、过渡元素和相容元素，较低的SiO〓、Al〓O〓、K〓O、Na〓O、不相容元素和稀土元素；罗德角和伊万思角安粗岩雷同，它们具有较高的SiO〓、Al〓O〓、Na〓O、K〓O、稀土元素和不相容元素，较低的MgO、TiO〓、过渡元素和相容元素，但五地区火山岩几乎具有一致的Sr、Nd同位素比值，〓Sr/〓Sr＝0.703115-0.703344、〓Nd/〓Nd＝0.512892-0.513076，在Pb同位素比值上，五地区的〓Pb/〓Pb＝18.664-19.913，其中碧玄岩和碱玄岩比安粗岩的比值稍低。

Vapor makes the activity and selectivity of the catalyst decrease a great deal yet this disvalue is reversible; When the elemental sulfur and vapor exist simultaneity in the system, it might generate H〓S and S on 〓 catalyst since the anti-Claus reaction, but this phenomena is not observed on CoS〓-TiO〓 catalyst showing that sulfides could check the anti-Claus reaction.

对硫化物催化剂CoS〓-TiO〓来说，助剂La和Ce的引入对CoS〓-TiO〓催化剂的氧化还原性能有一定影响，硫化物催化剂平均粒径要小，但助剂并未改变催化剂的电子结构，对于氨分解克劳斯反应的活性改变不大明显。

These phenomenon showed that there were interactions between the frontier orbits of TiO〓 semiconductor and the heteroatom. It give a further support to the new point of view drown by us that the DOS at the lower part of CB and the upper part of VB of semiconductor nano-TiO〓 was important to the photocatalytic activity.

说明了杂原子的前线轨道能级与TiO〓半导体的前线轨道之间有相互作用，从而进一步印证了我们提出的半导体光催化剂价带顶部和导带底部的能级密度对纳米TiO〓催化剂光催化活性有较大影响的新观点。

This is the result that the border and corner parts of muscovite are active to combine easy with TiO〓.

运用XRD和TEM等方法研究了白云母基片与TiO〓纳米镀层的复合机理及界面特征，发现TiO〓纳米镀层中晶质TiO〓(001)方向的面网(002)、(004)平行于白云母(001)面网生长，构成浮生。

Heat-treating within the temperatures range 700 to 800℃, the transition temperature of heat-treated C-glass became higher with increasing heat-treatment temperatures and gradually approached the transition temperature of the B-glass without TiO〓; the appearance of the C-glass gradually changed from brown-violet colour to intense blue-violet colour and even to opalescence; and the phase separation morphology of TiO〓-rich phase gradually changed from an interconnected phase to a siliceous droplet phase embedded in SiO〓-rach matrix phase with increasing the heat-treatment temperatures.

在玻璃的转变点附近的温度范围内热处理含TiO〓系统玻璃时，随热处理温度的升高，玻璃的转变温度增大，逐渐向不含TiO〓的MgO-Al〓O〓-SiO〓系统玻璃的转变温度靠近；玻璃的颜色逐渐由紫色向兰色及乳白色转化，这是分相玻璃中两相组成在热处理过程中的变化所引起的。

The result s show that BaWO 4/ TiO 3 could be well sintered at 1250～1350℃ without chemical reaction between perovskite and scheelite phases.

结果表明， BaWO 4/ TiO 3复合陶瓷在 1250～1300℃可以实现致密化烧结，且陶瓷由 TiO 3和BaWO 4两相复合而成，未检测到其它物相。

Improvement in the photocatalytic activity of TiO〓 is of theoretical and practical importance in its development and application.

本论文采用溶胶—凝胶方法制备了Ag掺杂的TiO〓粉末和薄膜，研究了Ag对于TiO〓结构和光催化性能的影响，研究发现

Al〓O〓-TiC and Al〓O〓-TiB〓 ceramic composites were synthesized using TiO〓, Al and graphite and TiO〓, Al, and amorphous B〓O〓 powders via aluminothermic reactions, respectively.

采用TiO〓、Al和石墨原料合成了Al〓O〓-TiC复相陶瓷，研究了压坯压力、试样直径、原料中铝粉和石墨颗粒、TiO〓的晶型、过量铝和Al〓O〓稀释剂等对燃烧合成过程及产物微观结构的影响。

By using TiO〓 and Ag-TiO〓 as photocatalyst, 257nm wavelength UV as light source, methylene blue and phenol as model compounds, photoregenerations of wooden and coaly activated carbons were performed in suspension system and immobilized system respectively.

以TiO〓和Ag-TiO〓为光催化剂，主波长257nm的紫外杀菌灯为光源，亚甲基蓝、苯酚为模型化合物，分别研究木质、煤质活性炭在悬浮钛体系及负载体系的光再生。

And Pharaoh spoke to Joseph, saying, Your father and your brothers have come to you.

47：5 法老对约瑟说，你父亲和你弟兄们到你这里来了。

Additionally, the approximate flattening of surface strip using lines linking midpoints on perpendicular lines between geodesic curves and the unconditional extreme value method are discussed.

提出了用测地线方程、曲面上两点间短程线来计算膜结构曲面测地线的方法，同时，采用测地线间垂线的中点连线和用无约束极值法进行空间条状曲面近似展开的分析。