The first part consists of three experiments:(1) The rings were incubated in KH, 20, 50 mmol/L 〓 for 1 house, relaxation in response to the EDHF stimuli A23187 in 30nmol/L U46619-induced preconrtaction in the presence of 7 μ mol/L indomethacin, a cyclooxygenase inhibitor, 300μmol/L LNNA, a nitric oxide biosyhnthesis inhibitor, and 1mmol/L tetraethylammonium , a 〓 blocker, or 3 μmol/L glibenclamide , a 〓 blocker, was compared with the control;(2) After the arteries were incubated in KH, UW solution or HTK solution at 4℃ for 4 hours, endothelium-derived relaxation (percentage of 30nmol/L U46619 precontraction) was induced by A23187 in the present of 7 μmol/L indomethacir and 300μmol/L LNNA;(3) After incubation with KH, UW solution and STH (either at 37℃ in oxygenated organ chamber or at 4℃ in a refrigerator for 4 hours), endothelium-derived relaxation (percentage of 30nmol/L U46619 precontraction) was induced by A23187 in the present of 7 μ mol/L indomethacin and 300 μmol/L LNNA.

第一部分研究結(jié)果：（1）單純浸泡于KH的冠狀動(dòng)脈A23187能引發(fā)66.67％的血管舒張反應(yīng)日本又硬又爽又黄又粗的视频，經(jīng)TEA及20mmol／L成年该看的免费视频、50mmol／L鉀離子作用后欧美xxxx.com，血管舒張反應(yīng)程度顯著降低，但經(jīng)GBM作用后改變不明顯；（2）與保存于KH的冠狀動(dòng)脈相比，A23187引發(fā)的血管舒張反應(yīng)程度，保存于UW液的明顯下降疯狂婬荡乱婬丝袜，保存于HTK液的無明顯變化黄频网站在线免费观看；（3）在37℃條件下欧美操逼网址，血管環(huán)浸泡于STH出現(xiàn)緩慢輕微的舒張反應(yīng)国产黄在线播放免费观看，浸泡于UW液初期出現(xiàn)短暫收縮反應(yīng)国产理论A片在线观看片，但此后主要以舒張為主：在37℃條件下自拍偷拍唯，血管經(jīng)UW液保存后丁香六月深爱网婷婷五月，U46619引發(fā)的收縮反應(yīng)程度降低；不論在37℃或4℃條件下，A23187引發(fā)的血管舒張反應(yīng)，經(jīng)UW液保存后明顯下降国产操逼视频免费，但用STH保存后變化不明顯。

Chapter 4 firstly analyses the generation mechanics, calculating method and interference effect of flow force in the outflowing large-capacity proportional valve. Then it not only presents a structural design to compensate the flow force according to the performance characteristic of the cone valve, but also calculates and simulates the flow field at the valve port through CFD software Fluent6.0. At last it studies the influence of compensation structure parameters and obtains better projected dimensions.

第四章主要闡述了電液大流量控制閥的液動(dòng)力產(chǎn)生機(jī)理，計(jì)算及其對(duì)系統(tǒng)的干擾作用在线无码精品A片，在此基礎(chǔ)上針對(duì)該閥的結(jié)構(gòu)和工作特點(diǎn)提出閥芯所受液動(dòng)力的補(bǔ)償方法和結(jié)構(gòu)性爱欧美，然后對(duì)閥口處的流場進(jìn)行了有限元仿真計(jì)算国产另类视频一区二区三区，探索了液動(dòng)力大小與補(bǔ)償結(jié)構(gòu)的各參數(shù)之間的關(guān)系国产在线国产，最后得出能實(shí)現(xiàn)液動(dòng)力補(bǔ)償?shù)暮侠斫Y(jié)構(gòu)。

Transmission Electron Microscope and other properties testing results show that the complex emulsifier system is the crucial influence factor of the polymerization process and the properties of products. It may influence the coagulum content and reaction rate of the polymerization process, the performance, particle diameter,viscosity, electrolyte stability and storage stability of the emulsion products and the contact angle of the film.The initiator mainly influences the coagulum content and reaction rate.The acrylic monomers mainly influence the solid content, Minimum Film Formation Temperature of the emulsion and the Glass Transition Temperature of the film.The organic silicone monomer mainly influences the water absorption of the film.The reaction temperature mainly influences the reaction rate and conversion.The stirring intensity mainly influences the coagulum content of the polymerization process.

透射電鏡等性能測試結(jié)果顯示：復(fù)合乳化劑體系是硅丙共聚乳液的聚合過程及產(chǎn)品性能的主要影響因素黄视频在线一区，它可以對(duì)聚合過程的凝膠率国产亚洲视频在线免费观看、反應(yīng)速率以及乳液的外觀、粒徑91性爱自拍、粘度日韩欧美国产三区、耐電解質(zhì)穩(wěn)定性及貯存穩(wěn)定性激情无码一区二区，還有乳液涂膜的接觸角等造成不同程度的影響；引發(fā)劑主要影響反應(yīng)速率和凝膠率日韩三级亚洲三级；丙烯酸酯單體主要影響到乳液的固含量91精品固产在线自产拍、最低成膜溫度以及涂膜的玻璃化轉(zhuǎn)變溫度日韩高清无码黄色视频，有機(jī)硅單體主要影響涂膜的吸水率等；聚合反應(yīng)溫度主要影響乳液的反應(yīng)速率和轉(zhuǎn)化率等；攪拌強(qiáng)度主要是影響到聚合過程的凝膠率。

In the dissertation, the principle to deicide the design parameters of the system based on spectrum reproduction and the design method of the hydraulic system for random vibration, are put forward.

論文提出了譜再現(xiàn)電液伺服系統(tǒng)參數(shù)的確定原理及隨機(jī)振動(dòng)電液伺服系統(tǒng)的設(shè)計(jì)方法，分析了電液振動(dòng)臺(tái)使用域和極限工作曲線污色视频免费在线观看网站，建立了以電液比例閥為控制元件的電液伺服系統(tǒng)的數(shù)學(xué)模型。

It was seen that strain 6055 generated three kinds of dextransucrases whose molecular weights were 151 kDa,142kDa and 117kDa,respectively.Among them,the former two ones were found both in supematants and cell wall,while the later was only found in the fermentation liquor.Strain DM 1-2 synthesized two kinds of dextransucrases,and their molecular weights were 183kDa and 142kDa,respectively.The former existed both in cell wall and out of cell,but the later only was located on cell surface.Strain PC 13 produced three kinds of dextransucrases,and their molecular weights were 148kDa, 138kDa and 115kDa,respectively.The former two ones were ectoenzyme while the later was linked to cell.Resembled to strain 6055,strain L4 produced two types of dextransucrases coexisting in supernatants and cell wall with molecular weights of 145 kDa and 136kDa,respectively,but the dextransucrase of 115kDa was only found in free-cells supernatants.

結(jié)果顯示一本色道久久综合网加勒比，菌株6055可產(chǎn)生分子量分別為151kDa成熟老熟妇高潮XXXXX、142kDa和117kDa的三種葡聚糖蔗糖酶，其中前兩者同時(shí)存在于上清液中和細(xì)胞表面欧美老熟妇又粗又大，而后者只存在于上清液當(dāng)中黄色小视频网站网址在线免费观看；菌株DM1-2可以產(chǎn)生兩種葡聚糖蔗糖酶，分子量分別為183kDa和142kDa国产A片一级黄色，前者同時(shí)存在于上清液中和細(xì)胞表面青青操在线视频，而后者僅能存在于細(xì)胞表面；菌株P(guān)C13可以產(chǎn)生分子量分別為148 kDa扒开双腿疯狂进出爽爽爽视频、138 kDa和115kDa的三種葡聚糖蔗糖酶久久久国产带黄Av，前兩者屬于胞外酶，而后者與細(xì)胞相連免费国产乱码黄片；與菌株6055相似欧美又大又粗，菌株L4可以產(chǎn)生兩種同時(shí)存在于上清液和細(xì)胞表面的葡聚糖蔗糖酶，分子量分別為145 kDa和136kDa宾馆色哟哟，而分子量為115kDa的葡聚糖蔗糖酶只存在于上清液中欧美粗吊。

The authors found various factors that affect the shapes and distribution of hydrothermal plumes from various field measurements of events and analyzed various hot topics of oceanographic research such as hydrothermal black smokers and extreme ophiles,which provides a basis for the investigation and theoretical study of deep-sea hydrothermal activity.

本文對(duì)海底熱液活動(dòng)的調(diào)查研究過程和現(xiàn)狀進(jìn)行了回顧，重點(diǎn)分析了熱液噴溢動(dòng)力過程的理論研究成果插逼视频免费黄片，從實(shí)測事件數(shù)據(jù)的研究成果中找出了影響熱液柱的形態(tài)和分布的各種因素欧美日韩在线观看二区视频，并對(duì)熱液煙囪和極端溫度微生物等海洋學(xué)研究熱點(diǎn)進(jìn)行了分析，為深海熱液活動(dòng)調(diào)查和理論研究提供基礎(chǔ)亚洲日韩一区在线。

The results indicate that the cone half angle increases with liquid pressure. The stripped half wavelength liquid fragment seems to break into a series of drops immediately and no obvious contraction from liquid fragment to ligament is seen.

研究結(jié)果表明麻豆黄大色黄大片女爽一次，液膜半錐角隨著液壓的增加而增加，半波長的液膜段剝落后幾乎立即破碎成液滴国产a视频精品免费观看，看不到明顯的液膜段收縮成液絲的過程男人网站。

Secondly, the paper is expanded from follow three aspects: the virtual design, the virtual process and the product data managementduring the developing the torque converter. Applying the key technique of concurrent engineering---design for function, design for assemblyand design for manufactureof the method of design for "X", the virtual design of the torque converter is accomplished in CATIA V5. Then the model constitution and the simulation of virtual process of the torque converter is done in CATIA V5, including the model constitution and the simulation of 5-aixe NC virtual process of the vane, the model constitution（material:PVC） of the idler pulley rapid prototypingand the virtual assembly and the motion simulation of the torque converter, etc. 3-D data exchange between various CAD systems is realized by using STEP standard. The lever of classing the character model of the torque converter is given. And the access authorization is set up and given to manage the partners' reading/writing the product data.

應(yīng)用并行工程的關(guān)鍵技術(shù)之一——面向產(chǎn)品全生命周期的設(shè)計(jì)DFX中面向功能的設(shè)計(jì)DFF、面向裝配的設(shè)計(jì)DFA和面向制造的設(shè)計(jì)DFM的方法色阁视频一区在线视频，在CATIA V5中完成液力變矩器虛擬設(shè)計(jì)欧美一级裸体视频,免费看；在CATIA V5中對(duì)液力變矩器進(jìn)行虛擬加工建模和仿真，包括液力變矩器導(dǎo)輪葉片五軸數(shù)控加工刀軌建模與仿真插的爽视频、導(dǎo)輪快速成型RP建模黄视频网站在线看、液力變矩器虛擬裝配和運(yùn)動(dòng)仿真等；采用STEP標(biāo)準(zhǔn)實(shí)現(xiàn)多CAD系統(tǒng)之間三維數(shù)據(jù)交換成年人黄色网站视频在线观看，提出液力變矩器特征模型的分級(jí)標(biāo)準(zhǔn)并對(duì)三維模型數(shù)據(jù)進(jìn)行分級(jí)管理台湾一级性爱视频，制定相應(yīng)的權(quán)限等級(jí)以規(guī)范合作廠家的產(chǎn)品數(shù)據(jù)管理層次。

The analysis of the samples collected from the wastewater treatment plant showed that the recycled supernatant had a pH of 7.16~8.21, a conductivity of 371.1~769.1 μmho/cm, a total dissolved solid of 193.3~399.9 mg/L, and a turbidity of 0.901~54.3 NTU. The suspended solids of the recycled supernatant was found to be 0.4~45.6 mg/L, lower than the standard value in the Effluent Standards (50 mg/L). The ammonia nitrogen (NH3-N) and the Total Organic Carbon of the recycled supernatant were found to be 0.06~1.5 mg/L and 1.533~17.437 mg/L, respectively. The analysis of the Chemical Oxygen Demand of the wastewater treatment plant showed a concentration of 12.1~128.5 mg/L in the sample of the recycled supernatant.

在廢水處理單元采樣分析結(jié)果方面美女被插逼逼，回收之上澄液之pH范圍為7.168.21間色男人天堂网址、導(dǎo)電度值范圍在371.1769.1 μmho/cm間、總?cè)芙夤腆w量范圍在193.3399.9 mg/L間精精国产XXXX在线播放、濁度范圍則在0.90154.3 NTU間国产福利最新；在懸浮固體方面，其回收上澄液之范圍在0.445.6 mg/L間欧洲无码专区一区二区，且回收水之懸浮固體均小於放流水水質(zhì)法規(guī)標(biāo)準(zhǔn)值50 mg/L欧美淫秽；在氨氮（NH3-N）方面，回收上澄液之范圍在0.061.5 mg/L間国产在线视频在线视；在總有機(jī)碳部份AV无码精品久久久久精品免费，回收上澄液之濃度范圍在1.53317.437 mg/L間；而在凈水場廢水處理單元化學(xué)需氧量分析結(jié)果上99re在线观看免费视频，可發(fā)現(xiàn)凈水場在回收上澄液之樣本部份其濃度在12.1128.5 mg/L間亚洲成年人在线免费。

However, common polyacrylate emulsion has some disadvantages such as poor water-resistance, poor film-forming in low temperature, becoming pastiness in high temperature, polluting environment with emulsifier and so on.

由于聚丙烯酸酯乳液具有耐熱、耐光和耐老化等優(yōu)點(diǎn)在涂料工業(yè)中得到了廣泛的應(yīng)用加勒比视屏，但普通的聚丙烯酸酯乳液還存在耐水性差亚洲皇冠成人无码影院在线观看、低溫下不易成膜、高溫發(fā)粘以及含乳化劑的廢液會(huì)對(duì)環(huán)境造成污染等缺點(diǎn)在线欧美一级片，因此亚洲人成亚洲精品，本文結(jié)合無皂乳液聚合和核殼乳液聚合技術(shù)，合成了聚丙烯酸丁酯/丙烯酸鈉齊聚物日韩一级黄片一区二区，并以此為乳化劑青青国产在线视频，采用種子半連續(xù)法合成了以聚丙烯酸丁酯為核，聚甲基丙烯酸甲酯-苯乙烯為殼的無皂核殼聚丙烯酸酯乳液在线国内在线播放av。