Ti-Si composite materials are mixed at atomic scale, and Ti-O-Si bond appears in all of the samples with different TiO2 content; the mixed oxides are mainly existed in the form of amorphous pattern, anatase appears when the TiO2 content is more than 80%, but compared with the intension of pure TiO2, it has not integrate structure. The acetic content has great influence in the specific area and crystal structure of the mixed oxides. 20TiSi has good heat stability, still possesses 11m2/g after calcined at 1100℃; calcinations on the large scale of temperature does not cause the break of Ti-O-Si bond, TiO2 is well dispersed in 20TiSi calcined at 1100℃, and it still existed in the form of amorphous.

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The applied effect of nanometer material mainly depend on surface molecule design of nano-powder material and its dispersion degree in matrix, i. e., how to disperse nano-particles into polymer matrix on nano-scale level.

因此人人操人人www.452e.com，納米材料的應(yīng)用功效主要取決于納米粉體材料的表面分子設(shè)計(jì)（即與基體材料的相容性問題）及其在基體材料中的分散度，也就是如何將納米粒子以納米尺度分散于高分子基體中真人交。

It was applied to analyze the structures of ashless dispersants and their derivatives. The results were obtained and correlated. The molecular weight distribution and dipersity of ashless dispersant, number of polyisobutene R and polymeric degree of R polymerism in addition agent were obtained.

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Therefore, increasing metallic Co dispersion and catalyst reducibility provide the effective way to improve Co utilization efficiency and decrease catalyst cost.

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The second part demonstration uses three methods to test the herding and analyses the herding in Chinese stork market by the proper data from June the first, 2005 to June the first 2007, and then uses the investment aggregation intensity model to analyze the fund managers" herding based on the board effect. The conclusion is that the elucidative ability of Shanghai Stork average PE is strong to Herding effect, but the whole equation"s R~2 is small.

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Hyperbranched aliphatic polyethers with narrow molecular weight distribution have been prepared via anionic polymerization of glycidol with rapid cation-exchange equilibrium.

根據(jù)~(13)C-NMR譜圖的積分結(jié)果，計(jì)算得到HPG的支化度為0.54中韩欧美视频二区，GPC測(cè)得的數(shù)均分子量為3265日韩一级片免费视频，分散度為1.48。

As showed in Fig.1, the diagrammed stress of short time endurance test forAs showed in Fig.1, the diagrammed stress of short time endurance test for500 hours at 565℃on welded-joint of T91-F12 is 240MPa. Considering the℃on welded-joint of T91-F12 is 240MPa. Considering thedispersity of±20％, stress of check test for 500 hours is 192MPa. The result±20％, stress of check test for 500 hours is 192MPa. The resultof short time endurance test for 500 hours at 565of short time endurance test for 500 hours at 565℃on T91-X20CrMoV121℃on T91-X20CrMoV121welded-joints is showed in Tab.5. The result shows that the short timewelded-joints is showed in Tab.5. The result shows that the short timeendurance stress of weldedendurance stress of welded-joints with two procedures at 565℃for 500 hours-joints with two procedures at 565℃for 500 hoursboth above 192MPa, and meet the requirement.both above 192MPa, and meet the requirement.

依據(jù)圖1欧美性交一级大片，對(duì)T91－F12 焊接接頭 565℃溫度下的短時(shí)持久性能 500 小時(shí)考核試驗(yàn)依據(jù)圖1国产欧美视频图片小说区，對(duì)T91－F12 焊接接頭 565℃溫度下的短時(shí)持久性能 500 小時(shí)考核試驗(yàn)的圖示應(yīng)力值應(yīng)為 240MPa，按照持久強(qiáng)度試驗(yàn)數(shù)據(jù)的±20％的分散度欧美精品v在线视频，取 500的圖示應(yīng)力值應(yīng)為 240MPa国产巨乳无码精品中文字幕在线观看，按照持久強(qiáng)度試驗(yàn)數(shù)據(jù)的±20％的分散度，取 500小時(shí)考核試驗(yàn)應(yīng)力值為 192MPa.T91－X20CrMoV121 焊接接頭 565℃国产成人亚洲第一站AV、500 小時(shí)小時(shí)考核試驗(yàn)應(yīng)力值為 192MPa.T91－X20CrMoV121 焊接接頭 565℃国产美女一级视频、500 小時(shí)短時(shí)持久考核試驗(yàn)試驗(yàn)結(jié)果見表5 ，試驗(yàn)結(jié)果表明国外激情视频免费，兩種工藝條件下的焊接接頭短時(shí)持久考核試驗(yàn)試驗(yàn)結(jié)果見表5 ，試驗(yàn)結(jié)果表明一级视频片免费播放，兩種工藝條件下的焊接接頭565℃溫度下的短時(shí)持久性能免費的歐美黃色網站，500 小時(shí)的持久斷裂應(yīng)力均高于 192MPa，結(jié)果符565℃溫度下的短時(shí)持久性能亚洲不卡视频在线播放，500 小時(shí)的持久斷裂應(yīng)力均高于 192MPa欧美一区欧美一区，結(jié)果符合要求。

It inducts the concept of discrete degree and similarity degree.

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