Compared with that of 3Cr13 alloy, the oxidation resistance of the composites containing 5 vol.％TiC particle was improved greatly at 850℃, but the improvement was relatively limited at 950℃. But the oxidation resistance of 1Cr18Ni9 composites containing 5 vol.％ TiC particle was obviously improved at 950℃, and at 850℃ the improvement is not large. The TiC particle can improve the oxidation resistance mainly was by developing the oxidation selectiveness of the Cr element as to change the phase constitution of the oxidation film, to alleviate the production of the stress in the oxidation film and to improve the cohesive force of the oxidation film or matrix interface and the chemical combination of the oxidation film.

與3Cr13合金相比，含5％volTiC顆粒的復合材料在850℃的抗氧化性能得到大幅度提高，而在950℃復合材料的抗氧化性能提高作用卻是有限的；與1Cr18Ni9合金相比，含5％volTiC顆粒的復合材料在850℃的抗氧化性能略有提高CO∩Xingaiwww，而950℃復合材料的抗氧化性能提高卻是明顯的；TiC顆僚访佬园で樗纳浒。可以提高兩種基體合金抗氧化性能日韩毛片一级毛片免费视频，主要是通過促進Cr的選擇性氧化，進而改變氧化膜的相組成黄片视频爽爽爽拍、減緩氧化膜內(nèi)應力的產(chǎn)生中国熟妇色視頻一区二区、增加氧化膜/基體界面凝聚力及提高氧化膜化學結(jié)合力而實現(xiàn)的。

The experiment two: enzyme preparation significantly improved average daily gainand feed conversion ratio (P＜0.05). Enzyme preparation significantly increased energymetabolizability and digestibility of crude fiber, crude protein and neutral detergent fiber,but had no remarkable effect on digestibility of dry matter, crude fat and acid detergentfiber. Enzyme preparation significantly decreased the relative viscosity of duodenal andjejunal digesta. The pH of intestine had no noticed difference in all groups. Enzymepreparation significantly decreased relative weight of gizzard, proventficulus, duodenum,jejunum and ileum. Enzyme preparation significantly increased villus size of duodenumand jejunum, and villus to crypt ratio of duodenum and ileum significantly increased too.Enzyme preparation considerably decreased ileal crypt height (P＜0.05), and didn"t affectthickness of intestinal wall. Supplementing enzyme preparation, the serum glucose, totalprotein and alanine aminotransferase, but enzyme preparation hadn"t noticed influenceupon uric acid, total cholesterol, triglyceride and high-density lipoproteins. Enzymepreparation significantly increased insulin, triiodothyronine and insulin-like growthfactor-Ⅰ. Adding enzyme preparation, the percentage of thyroid stimulating hormone andgrowth hormone in the serum increased 16.44%, 19.18% and 18.84%, 21.74%respectively, and the percentage of glucagon and thyroxine decreased 12.07%, 14.36% and 13.79%, 15.40%, but failed to reach statistical significance (P＞0.05). Enzymepreparation significantly increased (P＜0.05) the trypsin and amylase activity of duodenaland jejunal digesta, but enzyme preparation didnt affect significantly (P＞0.05) theintestinal lipase activity and pancreatic digestive enzyme. Enzyme preparation had nosignificant effect on caecal microbial population.

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Result of thermogravity analysis showed that the thermal stability of polyvinylamine chloride lowers with increasing in amination degree. Moreover, properties of dilute aqueous solutions of three types of poly chloride with different amination degree were compared by use of viscosimetric, conductometric, and potentiometric measurements. Results showed that both the electrostatic interaction of neighboring groups on the chain and the reduced viscosity of poly chloride are increased with increasing the degree of amination of poly . The equivalent conductivity is decreased with the increasing the concentration of poly chloride and increased with the increasing the amination degree of poly .

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Compared with control,①the mean tumor weight of H22 of SXKA Granules three dose groups were decreased significantly(P.01,P.05),and the mean inhibition rates of SXKA Granules 20网站黄色视频免费、10 g/kg dose groups were above 30%;②the mean tumor weight of S180 of SXKA Granules three dose groups were decreased significantly(P.01),and the mean inhibition rates of SXKA Granules 20经典人人操人人干人人看、10 g/kg dose groups were above 32%;③the mean tumor weight of EAC of SXKA Granules three dose groups were decreased significantly ( P.01, P.05),and the mean inhibition rates of SXKA Granules 20 g/kg dose groups were above 38%;④the mean tumor weight of Lewis carcinoma of SXKA Granules three dose groups were decreased significantly(P.01, P.05),and the mean inhibition rates of SXKA Granules 20、10色哟哟毛片网站、5 g/kg dose groups were above 36%;⑤the mean tumor weight of W256 of SXKA Granules three dose groups were decreased significantly ( P.01, P.05),and the mean inhibition rates of SXKA Granules 20黄色av网址在线播放、10 g/kg dose groups were above 32%;⑵Compared with control,SXKA Granules 20、10 g/kg dose groups had extended the survial time of the P388-bearing mice respectively(P.01),and the mean prolong rates of SXKA Granules 20伊人黄片啪啪啪、10 g/kg dose groups were above 50%;⑶Compared with S180-bearing group, SXKA Granules 20亚洲图片家庭乱伦、10 g/kg dose groups could increase the weight of thymus and spleen, Spleen index and thymus index were increased, SXKA Granules 5 g/kg dose group could increase thymus index(P.05);⑷As Compared with control group, SXKA Granules 20、10 g/kg dose groups could improve mouse serum half hemolysis value depressed by transplanted tumor dramatically(P.01), which revealed the SXKA granules could improve the mouse humoral immunity system;⑸SXKA Granules 20 g/kg dose group could increase of englobe indexαon S180-bearing mice remarkably(P.01), which indicated the SXKA Granules could improve their cellular immunity system.

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The results show that when the cathode humidified temperature increase, the humidification of membrane and fuel cell performance improved at lower current density, while the saturation in diffusion layer increase and the performance decreases at higher current density. Humidification of membrane and fuel cell performance improved when the anode humidified temperature increase, the saturation in diffusion layer decrease and fuel cell performance improved when the fuel cell working temperature increase, the resistance of diffusion layer decrease and the performance improved when the porosity largen. At last, the simulation results are compared with the experimental results and they are basically the same.

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Study result suggest: The change of stock in RFCCU directly affect gasoline content. Gasoline content can be reduced through increasing the equilibrium activity of catalyst, controlling reaction level, increasing recirculating rate of gasoline and stability of gasoline level. Conclusions drawn from experiment is that optimization of operating condition has great effect on lowering olefine content of gasoline which can be reduced from 60% to 50%.Reducing reaction temperature is useful for lowering olefine content of gasoline, when the reaction temperature is raised, thermal cracking rate is higher than catalytic cracking rate, so that olefine content is increased. Raising catalyst-to-oil ratio is good for lowering olefine content. With conversion rate increased, the yield of LPG and coke is raised, the yield of gasoline is increased firstly and then decreased slightly, hydrogen transfer index is increased, so the olefine content is decreased.

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These tests show that: 1. suction decreases with the increase of the water saturation in the chalk; 2. stress variants proposed are available for describing the stress state of the unsaturated chalk; 3. preconsolidation pressure increases with suction, while the effects of suction on the compressibility coefficients λ and κ are not evident; 4. as usual unsaturated soils, the permeability to oil of chalk increases with the suction; 5. yield strength of the chalk behaves with volumetric strain hardening; 6. cohesive behaviour of the chalk is related to the stress level, and relation between time-dependent deformation and logt is linear; 7. cohesion of the chalk decreases with the increase of the suction, while the elastic stiffness and the cohesion coefficient increase; 8. strength and elastic modulus increase with the strain rate, while the strain at the peak strength decreases with the increase of the strain rate.

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During the non-isothermal crystallization, compared with common PE, the cooling rate had less impact on the crystallization rate of mPE. Second, the sensitivity of the melt viscosity of mPE to the shear rate was poor, and the introduction of long chain branches onto the molecular structure of mPE could improve the dependence of their melt viscosity on both shear rate and temperature. In the extensional rheometric tests, the occurrence of phenomena of'strain hardening' relied on the structure of linear long chains, and mPE didn't show the behavior of'strain hardening', which implied that the melt strength ofmPE was poor.

其中通過共聚方法在mPE分子中引入非線性長支鏈結(jié)構(gòu)欧美风月片在线视频，對提高mPE熔體粘度對溫度的依賴性作用較為明顯，而對提高mPE熔體粘度對剪切速率的依賴性以及對提高mPE熔體強度作用較弱尤物成人最新电影在线观看网站视频；采用共混方法在mPE體系中引入線性長支鏈結(jié)構(gòu)五月综合色婷婷开心网潮喷，則對提高mPE熔體粘度對剪切速率的依賴性以及提高mPE的熔體強度的作用較為明顯，而對于提高mPE熔體粘度對溫度的依賴性作用相對較弱影音先锋你懂。

The results show that:First, concentration of hydrogen peroxide have the most obvious influence to oil yield and carbon black yield,with the increase of concentration of hydrogen peroxide the oil yield first increase then decrease,when concentration of hydrogen peroxide is 8.19% or so,the oil yield reach to the biggest value, and with the increase of concentration of hydrogen peroxide carbon black yield decrese;Then,reaction time have more obvious influence to oil yield and carbon black yield,oil yield increase but carbon black yield decrease with the increase of reaction time;Thirdly,reaction tempreture have some influence to oil yield and carbon black yield,samely,oil yield increase but carbon black yield decrease with the increase of reaction tempreture;Finally,reaction pressure does almost no influence on oil yield and carbon black yield.

研究結(jié)果表明：過氧化氫質(zhì)量濃度對產(chǎn)油率和炭黑產(chǎn)率的影響最為顯著专区在线你懂，產(chǎn)油率隨過氧化氫質(zhì)量濃度的提高先提高后降低，在過氧化氫質(zhì)量濃度為8.19%左右時達到最大值日韩一级AAAAAAAA毛片，炭黑產(chǎn)率隨過氧化氫質(zhì)量濃度的提高而降低少妇无码一区二区三区免费视频；反應時間對產(chǎn)油率和炭黑產(chǎn)率的影響也比較顯著，產(chǎn)油率隨反應時間的增加而提高免费欧美网黄色网站，炭黑產(chǎn)率隨反應時間的增加而降低99丫视频；反應溫度對產(chǎn)油率和炭黑產(chǎn)率也有一定的影響，產(chǎn)油率隨反應溫度的提高而相應地提高又粗又大又长的免费视频，炭黑產(chǎn)率隨反應溫度的提高而降低2021色色综合；在本文實驗范圍內(nèi)，反應壓力對產(chǎn)油率和炭黑產(chǎn)率基本上沒有影響亚洲视频中文字幕黄色。

The following main results are obtained: The TiO_2 photocatalyst with small crystallite size, high surface area, narrow and uniform pore size distribution, and microporous frameworks could be prepared out by applying MW radiation in the preparation process. The microwave-induced fluorescence technique verified for the first time that microwave enhanced the formation rate of hydroxyl radical, leading to the increase in the photocatalytic efficiency. Compared with the conventional catalyst, TiO_2 prepared by MW dielectric heating owns a higher UV absorption ability, and its optical absorption edge and photovoltaic response are shifted toward the short wavelength region, resulting in increase of photooxidation efficiency. The photocatalytic conversion and the mineralization ratio of acetaldehyde are increased respectively by 30% and 40% over the TiO2 prepared by MW radiation when compared to the TiO2 prepared by the conventional heating. For the MW-assisted photocatalytic reaction over the MW-prepared TiO2, production of hydroxyl radicals is enhanced by 22.5%, and the photocatalytic conversion is accordingly increased by 20%. Similarlly, applying MW also increased the photocatalytic conversion and the mineralization ratio of acetaldehyde over TiO2/Al2O3 sample.

論文得到如下主要結(jié)果和結(jié)論：(1)微波介電加熱TiO_2 溶膠可得到晶粒度小精液射一嘴视频免费观看、光催化活性高国产日韩草bav在线播放、比表面積大和孔徑分布窄而均一，且微孔發(fā)達的TiO_2光催化劑黄色视频在线播视频观看免费；在溶膠干燥處理過程中微波可使催化劑表面缺陷增加男女刺激床爽爽视频动态图，進而導致光催化反應過程有更多的活性羥基自由基產(chǎn)生；(2)微波制備能顯著增強TiO_2 樣品的紫外光吸收率谁有最新黄色网址，并使其光吸收和光伏響應閾值發(fā)生藍移日韩午夜福利片免费观看一区，從而提高TiO_2的氧化還原能力进网站看黃色A片；(3)與常規(guī)加熱法所制TiO_2比較色色色色一吧色色99二区，微波法制備的TiO_2對乙醛的光催化降解轉(zhuǎn)化率提高30%，CO_2生成率提高40%以上啊啊啊啊用力插视频；(4)與未加微波輻射時相比色色色色色色色色淫视频，發(fā)現(xiàn)在光催化反應過程中施加微波，TiO_2 的羥基自由基生成速率提高了22.5%久久黃片，相應CH_3CHO 光催化降解轉(zhuǎn)化率提高了20%欧美aaaav；對Al_2O_3/TiO_2催化劑，CH_3CHO 光催化降解轉(zhuǎn)化率甚至提高了33%亚洲一区二区三区福利视频，同時CO_2 的生成率也都大幅度提高91免费观看视频；(5)微波輻射可改變光催化降解乙醛的產(chǎn)物分布，推斷施加微波時乙醛光催化降解按照羥基自由基引發(fā)的鏈式反應機理進行丰满饥渴东北老熟女，微波&非熱效應&起主要作用欧美.日韩.欧洲。