The results indicate that improving temperature to reflux, using low polarity solvent as dispersion medium and proper molar ratio of tetrabutyl titanate to stearic acid can bring out good modification. The function of tetrabutyl titanate is to react with the surface hydroxyl groups and adsorbed H2O on the powder particles to produce new binding sites such as M—O—Ti—OC4H9and M—O—Ti—OH, which can easily react with the carboxylic acid. As temperature increases from room temperature to reflux temperature, the reactions between RCOO- and Ti change from coordinate bonds to covalent bonds, which makes the carbon chains of stearic acids more strongly bound with the powder particles surface.

研究結(jié)果表明，提高處理溫度A级黄片在线视频、適當(dāng)增加復(fù)合改性劑中硬脂酸的量并選用極性弱的有機(jī)溶劑可達(dá)到比較理想的改性效果影音先锋男人看片Av资源网；鈦酸四丁酯的作用是與粉體粒子表面的羥基以及吸附水反應(yīng)產(chǎn)生偶聯(lián)點(diǎn)，如M—O—Ti—OH一级一级人与动毛片免费，這些偶聯(lián)點(diǎn)易于與羧酸反應(yīng)91夜夜揉人人捏夜夜澡；在低溫時(shí)RCOO-與偶聯(lián)點(diǎn)的Ti之間以配合物的形式發(fā)生作用，在回流溫度下處理時(shí)91精品久久久久久久无码，主要發(fā)生酯化反應(yīng)，使硬脂酸更牢固地嫁接到粉體粒子表面99re热精品视频，改性效果更好在线观看黄色网站的视频。。

Bread and Cakes : Spraying the suspension of Natamycin with100~500ppm on the surface of cake, challah, vol-au-vent or pre-roasted dough, which prevents the inhibit the growth of moulds and yeasts effectively.

將100~500ppm納他霉素溶液噴在烘焙食品如蛋糕、白面包99热精品2、酥餅的表面91小视频国产在线，或?qū)⒓{他霉素噴灑在未烘烤的生面團(tuán)的表面，其防霉保鮮效果是非常理想美女超污视频网站，對(duì)產(chǎn)品的口感不產(chǎn)生任何影響日韩一级欧美一级高清片w。

In order to find the regularity and mechanism of vibration of CSP mill during rolling thin container strip,torsional vibration of main drive,vertical vibration of stand and suppression measures of three intermediate stands were tested in spot.Then the relationship between strip chatter marks and technological parameters,and vibration of rolling mill,and necessary conditions for chatter mark generation were researched.

廣州珠江鋼鐵有限責(zé)任公司引進(jìn)的6機(jī)架CSP熱連軋生產(chǎn)線，在軋制薄規(guī)格鋼板時(shí)出現(xiàn)了嚴(yán)重的振動(dòng)問題香蕉亚洲91一本大道，此時(shí)帶鋼和軋輥表面出現(xiàn)明暗相間的振紋在线亚洲国产鲁一鲁网，它加快了軋輥的磨損，影響了帶鋼的質(zhì)量，增加了后邊機(jī)架矯正表面的工作量在线观看视频免费网站黄。

The surface electromagnetic is expanded in a polynomial function via the Chebyshev approximation , then the electromagnetic distribution can be obtained at any frequency within the given frequency range , which is used to compute the scattered fields and the wideband radar cross section .

論文摘要：將切比雪夫逼近理論應(yīng)用于目標(biāo)寬帶電磁散射特性分析中美女视频黄8频a美女大全2020，通過求解給定頻帶的切比雪夫節(jié)點(diǎn)并用高階有限元方法求得各節(jié)點(diǎn)處的目標(biāo)表面場(chǎng)值，實(shí)現(xiàn)整個(gè)頻帶內(nèi)任一頻率點(diǎn)目標(biāo)表面場(chǎng)值的快速預(yù)測(cè)特黄一级乱淫A片，使得目標(biāo)電磁散射特性得到快速分析色色肉肉视频。

The interaction between chemisorption and multilayer surface segregation is discussed in detail.

采用格林函數(shù)方法和多重耦合自洽相干勢(shì)近似方法，研究了氫在Au-Ag多層偏析無序二元合金表面的化學(xué)吸附久久免费网址，詳細(xì)地討論了DBA表面的多層偏析和化學(xué)吸附間的相互影響国产精品久久永久免费。

The chemisorption-induced surface segregation can change greatly the surface component of the alloy as well as the chemisorption energy.

結(jié)果表明，化學(xué)吸附引起的表面偏析能夠在很大程度上改變合金表面成分和化學(xué)吸附能最新中文字幕在线视频网站。

For well-dispersed Pt, all particles are essentially on the surface available for chemisorption by an equal number of oxygen or hydrogen atoms

對(duì)于分散良好的鉑日韩美女精品中文字幕在线，表面上的全部粒子在表面上基本上都能被相同數(shù)量的氧原子或氫原子進(jìn)行化學(xué)吸附。

It was found that the competition between cluster-cluster and cluster-surface interaction strongly affects the chemisorption configuration, and thus the film morphology.

發(fā)現(xiàn)團(tuán)簇-團(tuán)簇相互作用與團(tuán)簇-表面相互作用的競(jìng)爭(zhēng)顯著地影響團(tuán)簇在表面上的化學(xué)吸附組態(tài)综合在线导航91福利，從而影響薄膜的結(jié)構(gòu)国产在热线精品无码中文强视频99中文无码。

Whether respiration related nuclei such as nucleus retrofacialis might play a role in the mechanism of central chemoreception on respiraton or not was also studied using the methods of local HRP application, microinjection and microiontophoresis.

采用延髓腹外側(cè)表面敷貼HRP、微量注射酸化人工CSF及微電泳H〓的方法欧洲黄色AV，探討了呼吸相關(guān)核團(tuán)NRF是否也參與延髓腹外側(cè)表面的化學(xué)感受功能国产成年免费在线。

The pure screw dislocation is easily etched along the steps that the dislocation terminates. Consequently a small Ga-polar plane is formed to prevent further vertical etching,resulting in an etch pit shaped like an inverted truncated hexagonal pyramid at the terminal chiasma of two surface steps.

純螺位錯(cuò)易于沿著由它結(jié)束的表面階梯被腐蝕，形成一個(gè)小的Ga極性面以阻止進(jìn)一步的縱向腐蝕yiyinav，因而其腐蝕坑是位于兩個(gè)表面階梯交結(jié)處的截底倒六棱椎免费欧美黄色。