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Design the structure of high performance Low-E film including its material and thickness of every layer according to basic optical theory. Carry out an innovative work to calculate its optical performance by characteristic matrices and optical admittance. Compare the results with those we get by traditional measurement.3. Prepare Low-E films with RF magnetron controlled reactive sputtering. The result shows that in the visible region (380nm-780nm), the highest transmittance is 82.4% while the average value is 75%. In the NIR region (780nm-2500nm), the average transmittance is 16.2%. These characters can fit the demand of the glass used in architecture and cars, and also in other applications.4. We novelly use the material Titanium as protective layer to solve the problem that Ag layer would disappear when depositing the second TiO_2 layer. As the protective layer, Ti does not increase the number of targets so as to lower the costs. The thickness of the protective layer Titanium is adjusted by controlling of sputtering time. Results shows the Low-E films get the best optical character when the sputtering time of Titanium is 20 seconds5. We novelly proposed a new transmittance quality factor Q=_·(?_-__ to evaluate the performances of Low-E films, which makes it easier to judge the qualities of Low-E film.6. The photocatalysis of Titanium dioxides is researched and introduced into Low-E films. Sb-doped TiO_2 thin films are prepared. Its photocatalysis and hydrophilicity are measured.
论文的工作主要有:1、总结了低辐射薄膜的制备方法,性能,以及国内外最新研究进展和应用,并对两种类型的低辐射薄膜进行了比较。2、从光学基本理论开始,设计了离线低辐射薄膜的结构,包括每一层的材料和厚度,并创新性的用特性矩阵和光学导纳理论计算了该离线膜的光学性能,利用软件对其进行了仿真,与实际制备的薄膜所测量的性能相比较。3、完成在实验室仪器上制备低辐射薄膜,掌握其工艺条件,解决了超薄金属膜的制备问题,所制备的低辐射薄膜在可见光区(380hm-780hm)最高可达82.4%,平均透射率为75%;在近红外区(780nm-2500nm)的平均透射率为16.2%,其性能达到建筑物幕墙玻璃,汽车前挡玻璃等应用标准,并为进一步的大规模生产打下基础。4、针对中间银层在镀上层膜时易被氧化这一工艺难题,本研究创新性的提出用Ti膜作为保护膜,没有增加新的靶材,提高了生产效率,并节约了生产成本。
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In order to make the sense of self-efficiency widespreadly applied to math study, we expect, from the angle of psychology of mathematic education, to study the effects of the sense of self-efficacy in students math study and then formulate certain teaching concepts and principles, so as to guide the practical teaching of this subject as well as of others.
研究者认为,加强学生自我感觉意识是强化学生的反思意识不可缺少的一部分。在教学中,发现影响自我效能感形成和发展的主要因素,进而将提高数学学习的自我效能感深入到教学活动中去,是当今数学教学改革所面临的一个重要课题。
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The invention discloses an electrochemical method for preparing a hydroxylapatite particle thin coating on the surface of a metal implant, which comprises the following steps: electrolyte is put into a container equipped with a constant temperature heating system and heated to be 30 DEG C to 95 DEG C, and then the temperature is kept; platinum is taken as the anode and evenly distributed around the container, and the metal implant is taken as the cathode, put in the middle of the container and totally soaked in the electrolyte; DC voltage of 2V to 4V is added between the anode and the cathode, the surface of the metal implant has cathode reduction reaction, the pH value is increased and the supersaturation degree of the hydroxylapatite is also increased, so as to crystalize on the surface of titanium; after 0.5h to 5h of deposition, a layer of hydroxylapatite particle thin coating which can be excellently adhered to the matrix metal is formed on the surface of the implant.
本发明公开了一种在金属植入体表面制备羟基磷灰石颗粒薄涂层的电化学方法,在装备了恒温加热系统的容器中装入电解液,并将电解液加热到30~95℃恒温;将铂作为阳极均匀分布在容器四周,金属植入体作为阴极置于容器中间,完全浸没在电解液中,两极之间加直流电压2~4V,金属植入体表面发生阴极还原反应,pH值升高,羟基磷灰石过饱和度增加,从而结晶在钛金属表面;经过0.5~5小时沉积后,在植入体表面即可形成一层与基体金属结合优良的、薄的羟基磷灰石颗粒薄涂层。
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It uses middle extracted steam from steam turbine to heat the feetwater of boiler to the saturate temperature under working pressure of deaerator, so as to remove dissolved oxygen and other gases. To prevent or slow boiler and steam turbine as well as pipeline from corroding, and extend them service life, to ensure the operation of the power plant under safety economic condition. The high-pressure deaeator of 235t/h is a kind of mixture-type heater, which shall match with 55 MW units, whose deaerated head adopts a kind of new-style stuffing way with rotation film.
它是利用汽轮机的中间抽汽将锅炉给水加热到除氧器工作压力下的饱和温度,以达到除去给水中的溶解氧和其它气体,防止或减缓锅炉、汽机及其管道的腐蚀,延长其使用寿命,确保电厂的安全经济运行。235t/h高压除氧器是配55MW机组的混合式加热器。
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When the Fire-wood was burnt pretty much into Embers, or live Coals, I drew them forward upon this Hearth, so as to cover it all over, and there I let them lye, till the Hearth was very hot, then sweeping away all the Embers, I set down my Loaf, or Loaves, and whelming down the Earthen Pot upon them, drew the Embers all round the Out-side of the Pot, to keep in, and add to the Heat; and thus, as well as in the best Oven in the World, I bak'd my Barley Loaves, and became in little Time a meer Pastry-Cook into the Bargain; for I made my self several Cakes of the Rice, and Puddings; indeed I made no Pies, neither had I any Thing to put into them, supposing I had, except the Flesh either of Fowls or Goats.
所有这一切,我都一无所有,但我还是做成了面包。这些事我将在下面再告诉读者。但在当时,我总算有了自己的粮食,这对我是极大的安慰,为我的生活带来了更多有利的条件。前面提到,没有适当的工具,一切事情做起来特别吃力,特别费时间,可是也没有办法。同时,我也没有浪费时间。我把时间分配得很好,每天安排出一定的时间来做这些事。我已决定等我收获了更多的粮食后再做面包,所以我还有六个月的时间;在这半年中,我可以运用我全部的精力和心血,设法制造出加工粮食各项工序所需要的各种工具。到时,有了足够的粮食,就可以用来制造面包了。
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Consider that processes the factor such as being convenient, the whole frame adopts the stencil plate to press the shaping craft, so as to ensure the whole intensity of the frame; The main body of the frame has continued to use the traditional ladder-shaped structure, of simple structure, stability is good; Assign the scheme wholly according to the electric automobile, has confirmed the physical dimension of the frame; Combine the scheme of decorating of the main spare part of electric automobile, has confirmed the frame is released, the crossbeam one decorates a form and connects the method, install the needing of main spare parts such as the gear box,etc. in because some crossbeams, has taken the structural form of the ingot roof beam.
考虑到加工方便等因素,整个车架采用钢板冲压成型工艺,以保证车架的整体强度;车架主体沿用了传统的梯形结构,结构简单,稳定性好;根据电动汽车整体布置方案,确定了车架的结构尺寸;结合电动汽车主要零部件的布置方案,确定了车架纵、横梁的布置形式及连接方法,部分横梁因为安装变速器等主要零部件的需要,采取了元宝梁的结构形式。
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In some conventional fan revolution speed control methods, variable control of the number of revolutions of a cooling fan is performed by a process comprising steps of detecting an actual temperature of cooling target fluid, ie fluid to be cooled by the cooling fan, such as hydraulic oil and circulating radiator cooling water for cooling an engine (such cooling water is hereinafter referred to as coolant), determining a target fan revolution speed by a system of a proportional integral control unit based on the difference between the actual temperature detected and a target temperature, and changing the fan revolution speed based on the target fan revolution speed so as to bring the actual temperature of the cooling target fluid down to the target temperature.
在一些传统风扇转速控制方法,控制变量的数目革命的一个冷却风扇,是由一个过程组成的步骤检测到一个实际温度冷却目标流体,即流体被冷却,由冷却风扇,如液压石油和散热器循环冷却水用于冷却发动机(如冷却水是以下简称为制冷剂),确定一个目标风扇转速由一个系统的比例积分控制单元基础上的差异,实际温度检测和目标温度,并改变风扇转速的基础上,针对风扇转速,使实际温度的冷却液指标下降到目标温度。
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In this way, we will discuss the problems confronted by the man during the urbanization and try to search for wisdom, eperience and concept from across the globe We hope the wisdom, eperience and concept could influence urban administration, planners and eperts in urbanology as well as the public isiting and paying attention to the Shanghai Epo We wish the thousands of millions of isitors could enhance their knowledge in world eposition, could see distinctie buildings, enjoy customs of different countries and eperience the latest technologies, and could hae their appetite and eyes satisfied We hope they could understand more profoundly that the world eposition is the Olympics of the technological, economic and cultural fields What's more important, we should make them know the problems facing the whole humankind ia eciting ehibitions, forums, eents and eperience in the Epo Shanghai Online and consider the reasons and solutions to the problems, so as to realize a better life This will arouse the awareness and thoughts of the public and thus bring changes to their behaiors This is where the significance of the Shanghai Epo lies
来探讨目前城市化过程中全人类面临的问题,并试图从全球范畴内寻找智慧、经验以及理念。我们盼望这些智慧、经验和理念能够影响的人群,不仅是城市治理者、计划师这些城市学范畴的专业人士,更应该是千百万前来参观世博会,关注世博会的普通人。我们愿望前来参观世博会、关注世博会的千百万普通公众,他们对于世博会的认识,除了在世博会里能看到奇特的建筑、领略各国的风情、体验最新的科技;除了在参观世博会中体验到好看、好吃、好玩;除了更深入地懂得世博会是&科技、经济、文化的奥林匹克&;还应该让参观者在世博会里,能够通过各种出色的展览、论坛、运动,以及体验网上世博会,接触到当前全人类共同面对的情形,我们现在碰到了怎样的问题?为什么会呈现这些问题?我们须要怎么做来解决这些问题,从而让我们的生活变得更美妙?这些问题可以引发公众的关注和思考,进而影响他们行动上的积极转变。这也是举行世博会的意义所在。
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M is, the higher the strength will be, as well as more even particle distribution. The mechanism of additives as discussed revealed that on the surface of Al_3 particles the oleophilic group of surface active agent will form oil films to bind together fine Al_3 particles closely so as to increase both the particle size and strength.
结果表明,氢氧化铝颗粒在 45~105μm的个数百分数越大,氢氧化铝颗粒分布越均匀,强度就越好;探讨了添加剂的作用机理,即表面活性剂分子的亲油基在氢氧化铝粒子表面形成油层,将氢氧化铝细粒子紧密粘结在一起,使氢氧化铝的粒度与强度增大。
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In the preparation method, primary soybean oil and deep hydrogenation soybean oil, or primary rapeseed oil and deep hydrogenation rapeseed oil are adopted as raw materials; sodium methoxide is selected as a catalyst; the consumption of the catalyst is 0.1 percent to 0.5 percent; the reaction temperature is 70 DEG C to 110 DEG C; therefore, the primary soybean oil and the deep hydrogenation soybean oil, or the primary rapeseed oil and the deep hydrogenation rapeseed oil have randomized lactide reaction for 10 min to 90 min, so as to change the composition of mixed oil triglyceride and obtain the low/zero trans fatty acid base oil with different melting points and the characteristics of solid fat.
本发明以一级大豆油和极度氢化大豆油,或一级菜籽油和极度氢化菜籽油为原料,选择甲醇钠为催化剂,催化剂用量0.1%~0.5%,反应温度70~110℃,使一级大豆油和极度氢化大豆油,或一级菜籽油和极度氢化菜籽油之间进行随机交酯化反应,反应时间10~90min,从而改变混合油甘三酯组成,得到具有不同熔点和固体脂肪特征的低/零反式脂肪酸基料油。
- 推荐网络例句
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Do you know, i need you to come back
你知道吗,我需要你回来
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Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.
1〕 杨银书,王祥生,李德昌。安徽省首次发现嗜群血蜱。
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Chapter Three: Type classification of DE structure in Sino-Tibetan languages.
第三章汉藏语&的&字结构的类型划分。