室温
- 与 室温 相关的网络例句 [注:此内容来源于网络,仅供参考]
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A method of dilute alkali to extract chondroitin sulfate from Ray Cartilage was adopted, the alkali extraction and enzyme unbinding conditions were observed.
结果:最佳提取条件的碱浓度是4%,于室温下提取18h;酶解的最佳工艺为:提取液按4×10^(-4):1比例加胰酶,于50℃左右保温酶解2h。
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In this dissertation,Co-Cr2O3 and Fe-Cr2O3 granular films with superiorproperties have been successfully fabricated by RF co-sputtering technique underroom and 77K substrate temperatures for the first time.The microstructure,electrical transport and magnetic properties as well as their relation to TMR effectare systematically investigated by various techniques such as X-Ray diffraction,transmission electron microscopy,electrical diffraction,X-Rayphotoelectron spectroscopyand VSM,etc.,the change of electrical transportand magnetic properties in these films with their microstructure is also shown.Someinteresting and valuable results have been obtained after the theoretical fitting ofexperimental data with the existed theory.The temperature dependence of TMReffects in these films and the way to get larger TMR effect is also studied.Our mainprincipal results obtained are as follows:(1)Microstructure and Magnetism
在本论文中,我们采用射频共溅射方法,在室温及77K的衬底温度下首次成功地制备了性能优异的Co-Cr2O3及Fe-Cr2O3系列颗粒薄膜,并利用X-Ray衍射、透射电镜、电子衍射、X-Ray光电子谱及宏观电性及磁性测量等手段详细地研究了Co-Cr2O3颗粒膜的微结构、电性、磁性及它们与TMR效应之间的关系,系统地研究了薄膜的电性和磁性随薄膜微结构的变化,通过实验数据点的理论拟合,得出了一些有价值的物理信息,探讨了磁电阻效应的温度依赖性及获得较大TMR效应的途径,主要内容可概括如下
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The lasing characteristics of composite Tm:YAG rod with undoped ends at room temperature are reported.
本文报道了室温下二极管泵浦的复合Tm:YAG激光器的出光性能。
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The isotropy or anisotropy in some physical properties of the amorphous poly films uniaxially drawn at temperatures above its T g and then quenched to room temperature have been studied.
对非晶态聚对苯二甲酸乙二酯膜片经在Tg以上单轴拉伸然后淬冷至室温的试样,其物理性质的各向同性或各向异性进行了研究。
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The release property of small unilamellar vesicles coated with the copolymer was studied at 25℃ by using 5(6) carboxyfluorescein 5(6 CF as a water soluble marker.
以5(6)-羧基荧光素(5(6)-CF)为水溶性标记物,研究了共聚物包覆的小单层脂质体(smalunilamelarvesicles,SUV)在室温25℃时的释放行为。
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Preparation and exosyndrome of liposomal Gd-DTPA 1.1 Preparation small unilamellar vesicles were prepared by combining 0.92 g of distearoylphosphatidylcholinc with 23 mL of distilled watcr.
Gd-DTPA脂质体的制备和表征 1.1制备工艺精密称取一定量二硬脂酰磷脂酰胆碱乙醇胺溶于双蒸水中,置于恒温磁力搅拌器内,在69~72℃恒温条件下超声分散1小时,取一定量Gd-DTPA溶液、蒸馏水和无水乙醇与上述产物混合,获得半透明胶体状物,在室温下过夜,第二天在69~72℃恒温条件下水浴孵化1小时,同时用低流速氮气吹拂液体表面除去有机溶剂无水乙醇。
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The unirradiated and irradiated samples are analyzed by FTIR, SEM, PGC/MS and TG. At the same time, the gas products after irradiation are analyzed by GC/MS. The relationship of gel fraction of irradiated samples in air with the dose and the compression property and stress relaxation ratio along with the dose are determined.
采用傅立叶红外分析仪、扫描电镜、裂解色谱质谱联用仪以及热失重分析仪等对辐照前后的样品进行了分析,同时使用色质联用仪对辐照后产生的气体进行了分析,并且测定了空气中辐照试样的凝胶含量与吸收剂量的关系以及在室温下试样的压缩性能、应力松弛率与吸收剂量的关系。
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Transfer the cake to cooling racks and cool in the pans for about 5 minutes, then run a knife around the sides of the cakes, unmold them and peel off the parchment.
把蛋糕连模放在冷却架上冷却5分钟。然后脱模,去掉烤盘纸,继续冷却至室温,正面朝上。
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In the rest of this chapter, a series of tensile tests were carried out at room and low (77K) temperatures for a variety of composite specimens which included unnotched and notched, as well as unidirectional or with a number of stacking sequences.
在本章其余部分,对各种复合材料试样(包括无缺口,有缺口,单向或各种铺层)进行了室温和低温(77K)下的拉伸试验研究。
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It has been warranted through experiments and practical application that rare-earths-high-aluminium heat-resistant nodular iron has some intrinsic properties which are worthy of reconimandation, namely,that it will not scale after long periods of use at 1050-1100℃, will hardly break while being hammered into castings, runners or risers as the high-temperature tensile strength reaches 14-19 kg/mm2 at 800℃ or≥l3.3kg/mm2 at 900℃, with the room temperature strength close to HT 30-50 and the unnotched impact str...
本文介绍了稀土高铝耐热球墨铸铁的生产实践、化学成分;探讨了稀土作用及其用量和控制;论述了稀土和铝加入方式以及冷却速度对金相组织的影响;并对铸造工艺、铸件缺陷及分析、耐热性能及使用效果作了阐明。试验和使用证明:稀土高铝耐热球墨铸铁在1050~1100℃长时间工作不起氧化皮,热强度800℃时,14~19kg/mm~2,900℃时≥13.3kg/mm~2,室温强度近于HT30—54,a_k≈2~6kg·M/cm~2,锤击铸件或浇冒口,很难碎裂,并能机械加工。可以认为是以我国富产资源为原料,能用各种炉子熔炼、耐热和综合机械性能均较高硅、中硅中铝球铁、高铝片墨铸铁为高的一种耐热铸铁,也是镍铬系耐热材料较好的替代品。
- 推荐网络例句
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Lugalbanda was a god and shepherd king of Uruk where he was worshipped for over a thousand years.
Lugalbanda 是神和被崇拜了一千年多 Uruk古埃及喜克索王朝国王。
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I am coming just now,' and went on perfuming himself with Hunut, then he came and sat.
我来只是现在,'歼灭战perfuming自己与胡努特,那麼,他来到和SAT 。
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The shamrock is the symbol of Ireland and of St.
三叶草是爱尔兰和圣特里克节的标志同时它的寓意是带来幸运。3片心形叶子围绕着一根断茎,深绿色。