材料
- 与 材料 相关的网络例句 [注:此内容来源于网络,仅供参考]
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Those biodegradable materials finally form into CO2 and H2O via culture of tricarboxylic acid cycle, which can be excreted from lung, kidney, and skin. Hydroxyacetic acid is a metabolic product of amino acids. Therefore, velocity of bioldegradable materials can be controlled in vivo. The recent contraception focuses on discover a sustained release system of biodegradable materials.
生物可降解材料包括聚乳酸、聚ε-己内酯、乳酸-羟基乙酸共聚物等,这些材料有很好的生物相容性,植入体内后可经生物降解成乳酸单体,经三羧酸循环后最终成为CO2和H2O,经肺、肾、皮肤排泄,羟基乙酸也是机体氨基酸代谢产物,而且生物可将解材料在体内降解速度是可控的,用生物降解聚合物作为药物载体的缓释避孕系统是目前材料学以及避孕节育研究的一大重点。
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Secondly, organical composite thermal storage materials which takethe PNIPAAm gels as the carriers and the palmitic acid and the lauric acidmixture for phase change materials were Synthesized by radicalpolymerization ,and organical/inorganical composite materials which takeP(NIPAAm-co-AAm) gels as the carriers and the palmitic acid、thelauric acid and Na_2HPO_4·12H_2O mixture were also Synthesized byradical polymerization.
其次,本文采用自由基聚合法,合成了以PNIPAAm凝胶为载体,棕榈酸和月桂酸的混合物为相变材料有机复合相变蓄热材料;及P(NIPAAm-co-AAm)凝胶为载体,棕榈酸、月桂酸和Na_2HPO_4·12H_2O为相变材料的有机/无机复合相变蓄热材料,采用红外光谱、示差扫描量热法、热重分析、扫描电镜等手段对两种复合材料的结构及热性能进行了表征与分析,研究了有机酸和无机盐的百分含量对复合材料的相变温度和相变焓的影响。
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Properties of FRP materials have been improved by experimental and analysis on hybrid of two or three kinds of fiber, and various products have been manufactured accordingly. At the same time, the resin and equipment that are suitable for those FRP materials have been developed. A series of key applied techniques, such as strengthening of steel structures, masonry structures and concrete structures reinforced with prestressed FRP, lossless inspectability of structures and so on, have been developed though experimental research according to requests of engineering. There are four codes and guidelines for applying FRP techniques to construct foundational establishment. Among them, one technical specification was published in May 2003. It can be standardization of applying FRP materials on engineering. There have been more than one hundred engineerings strengthened with FRP materials since 1999 based on research and investigation of FRP materials and techniques.
在材料改性研究以及产品开发方面,通过纤维混杂改性,开发出适用于不同工程要求的单一品种纤维和混杂纤维的FRP产品及配套树脂材料、配套设备机具等;在关键应用技术开发方面,根据工程需要,开发出钢结构加固技术、砌体结构加固技术、预应力加固技术、结构无损检测技术等基础设施建设中应用FRP材料的关键技术;在规范标准编制方面,主持编制国家规范标准4项, 1项已获批准实施,其它3项正在按计划进行;在工程应用方面,应用自主开发的材料和技术,改造、加固工程100多项,创造了巨大的经济效益及广泛的社会效益。
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The performace of material was tested by DSC,XRD,SEM,EIS and charge-discharge cycles . The influences of various synthesized condition , sintering time and the amount of F were studied and correlative technics parameter to improve performance of material were optimized. DSC shows that three endotherimc peaks and one large exothermic peak are observed in the temperature range 150-400℃, which is because of the removal of water,the decomposition of the organic constituents and the formation of spinel. Only the citrate precursor is sintered at least 450℃, the crystallinity of spinel phase could be formed intactly.
通过DSC、XRD、SEM、EIS和充放电循环等手段对材料进行性能测试,比较了不同合成温度、烧结时间和不同掺杂元素量等条件对材料性能的影响,优选出提高材料性能的相关工艺参数, DSC表明,采用溶胶-凝胶-络合法制备的前驱体在150-400℃中有三个小的吸热峰和一个大的放热峰,这是前驱体中的水分、柠酸酸及其盐和醋酸及其盐在蒸发及分解,柠檬酸前驱体至少需在450℃以上才可能形成完整的尖晶石材料。
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The invention adopts the technical proposal that the nucleation and process of growth of the molecular sieve are controlled properly in the synthetic process of the ZSM-5 molecular sieve material for producing the Magadiite/ZSM-5 intergrowth material, wherein the proportion of intergrown phases is adjustable, and the synthesized Magadiite/ZSM-5 intergrowth material adopts the compositions including the following mole relation: nSiO2:Al2O3, where n is between 50 and 1000 in the formula, and the method is characterized in that the Magadiite/ZSM-5 intergrowth material has two intergrown phases and an XRD diffraction pattern thereof has the d-space maximum value at the lengths of 15.73+-0.1, 11.14+-0.1, 9.97+-0.1, 7.74+-0.1, 5.14+-0.1, 3.86+-0.05, 3.66+-0.05, 3.45+-0.05, 3.30+-0.05 and 3.14+-0.1 angstroms, thereby solving the problems properly.
本发明通过采用在ZSM-5分子筛材料合成过程中,控制好分子筛的成核和生长过程,制备出了一种Magadiite/ZSM-5共生材料,其中共生物相比例可调,合成的Magadiite/ZSM-5共生材料采用包括以下摩尔关系的组成:nSiO2∶Al2O3,式中n=50~1000,其特征在于所述Magadiite/ZSM-5共生材料具有两种共生物相,其XRD衍射图谱在15.73±0.1,11.14±0.1,9.97±0.1,7.74±0.1,5.14±0.1,3.86±0.05,3.66±0.05,3.45±0.05,3.30±0.05,3.14±0.1埃处有d-间距最大值的技术方案,较好地解决了上述问题。
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Which business card printing and membership card making packaging focus support new technology, new extrusion technology, as well as other advanced equipment and technology, all kinds of food, drink, drugs, cleaning products, chemical products and building materials, such as packaging, as well as other high barrier packaging materials, hot fill packaging materials, preservation and transportation of materials and food; antimould mothproof material support tip top creative industries ?é?ˉat base, publishing media creative centres in the creative industries.
其中制卡和会员卡制作包装业重点扶持新型注塑技术、新型挤出成型技术、以及其他先进装备技术,各种食品、饮料、药品、洗涤用品、化工产品和建材产品等包装,以及其他高阻隔包装材料、热灌装包装材料、保鲜材料和食品储运防霉防虫材料;创意产业重点支持天健动漫基地、出版传媒创意中心等创意产业项目。
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There are many dispersion research results, but these studies are not systematical and complete, especially the dispersing problem of nanomaterials in nonaqueous media has not been overcome all the time.
随着纳米材料产业化进程的加快,纳米材料的应用研究已成为研究热点。稳定分散技术是纳米粉体材料应用过程中的关键技术之一。尽管目前纳米粉体材料的分散研究已进行了很多,但仍不够系统和完善。
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Nonengineering materials are the chemicals, fuels, lubricants, and other materials used in the manufacturing process, which do not become part of the product.
就工业效用而言,材料被分为工程材料和非工程材料。那些用于加工制造并成为产品组成部分的就是工程材料。
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By experiments of difference air filtration media's disposal, we analyse the functional change at waterproof、oilproof and photocatalysis for filter material after disposal, and discuss the feasibility of nano-sized photocatalysis material's application in air filtration media's disposal.
通过对不同的空气过滤材料利用纳米材料进行不同的后整理的实验测试研究,分析各种滤料的拒水、拒油及光催化性能在整理前后的变化情况,探讨纳米光催化材料在空气过滤材料后整理中应用的可行性。
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TCP porous ceramics, as a system among bone-defectsrepairing materials, have immeasurable advantage compared with the otherbiomaterials. But at the same time, the preparing process and osteogenetic processof this kind of material are very complicated, and to the material's Ca, Pcomparison and micro-construction is expected extremely high.
TCP多孔陶瓷作为骨替代材料中的一员,有着其它生物医用无机材料无可比拟的优势,但同时,这种材料的制备工艺及在生物体内的降解和成骨过程也比较复杂,材料的Ca、P比例以及微观结构的要求也更高。
- 推荐网络例句
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On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.
另一方面,更重要的是由于城市住房是一种异质性产品。
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Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.
气候直方图是将所收集的降水量测定值,分为几个相等的区间作为横轴,并将各区间内所测定值依所出现的次数累积而成的面积,用柱子排起来的图形,也叫做柱状图。
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You rap, you know we are not so good at rapping, huh?
你唱吧,你也知道我们并不那么擅长说唱,对吧?