室温

Effects of scandium addition on the microstructure and properties of Al-5.3Cu-0.8Mg-0.6Ag-0.2Zr (mass fraction,%) alloy were investigated using optical microscope, scanning electron microscopy and transmission electron microscopy, tensile testing and intercrystalline corrosion testing.

通过金相、扫描电镜、透射电镜、性能测试等实验方法，研究了Sc对铸态Al-5.3Cu-0.8Mg-0.6Ag-0.2Zr合金的组织和性能影响。结果表明，添加0.10 %～0.5 % Sc后，在室温到300 ℃测试范围内，合金的室温拉伸强度、高温耐热性能及晶界腐蚀性能得到了改善。

Temperature control valve from around the room temperature control sensors, corrugated effect of the load relative to the prospective pressure and room temperature, the pressure from a spring tension adjustment to balance.

温控阀传感器是由四周室温控制，波纹管内的效准压力与室温负荷相对应，该压力由一个调整弹簧的张力来均衡。

CH3OH could attack the phosphor atom in 1,3,2-dioxaphopholane of compiound (1) to give O-methyl O-hydroxyethyl-O-phthalimidoethyl thiophosphate in 85% yield; in the presence of potassium hydroxide aryl selenol could attack the carbon atom in 1,3,2-diox-aphopholane of the cyclic phospholipid conjugate of N^1-(2-furanidyl)-N^3--5-fluorouracil to give the corresponding product of ring-opening in high yields.

在室温下，以异丙醇作溶剂，苯硒酚与化合物2不反应。在氢氧化钾存在下，以异丙醇／水作溶剂（体积比20：1，在室温下，硒酚可以有效地进攻中化合物2中1，3，2-二氧磷杂环戊烷中的碳原子生成相应的开环产物。按照这一反应条件，顺利实现了硒酚对N^1-（2-呋喃基）-N^3-羟烷基-5-氟脲嘧啶硫代环甘油磷脂缀合物的亲核开环，生成甘油骨架的端碳原子上带有芳硒基新颖的磷脂核苷缀合物。

Combined with the moisture in the air in the room temperature, it will produce interconnection and vulcanize into high performance elastomer.

I。概述单组份室温固化硅胶是一种铝壳或塑料桶单包装的粘稠液或膏状的胶料，它能在室温下与空气中的水分结合引起交联，硫化成为高性能弹性体，它是一种优良的金属及非金属材料的粘结剂和密封胶。

After that, all samples were fixed with 10 g/L paraform for 45 minutes. Then 50 μL well-fixed blood was added into the polystyrene tube, meanwhile 20 μL monoclonal antibody, such as CD42a-b-c-d and PE-labeled CD42b, was respectively mixed gently with the blood sample and incubated at room temperature in dark for 30 minutes.

取50 μL固定后全血加至流式检测管，同时分别向不同管中加入20 μL糖蛋白Ib/IX/V 复合物单克隆抗体CD42a-b-c-d和PE标记的糖蛋白Ibα单克隆抗体CD42b，混匀后室温避光孵育30 min，然后CD42a-b-c-d标记的样品中加入20 μL FITC标记的羊抗鼠 IgG，混匀后室温避光孵育30 min。

For the saturated aromatic aldehydes with malononitrile and barbituric acidit, the reaction was found to proceed very efficiently at room temperature giving excellent yields under ultrasonic irradiation, while for α,β-unsaturated aldehydes as well as p-phthalaldehyde with malononitrile and barbituric acid the reaction also proceeded smoothly at room temperature with good yields.

在超声波辐射下，不仅饱和芳香醛与丙二腈、巴比妥酸的一锅反应在室温下能高收率地进行，而对于α，β-不饱和醛以及二元醛与丙二腈、巴比妥酸的一锅反应也能在室温下顺利进行，获得较高的收率。

MethodThe extracts was prepared by grinding 800-1 000 mg fresh leaves of Clerodendron inerme and Vitex rotundifolia added with liquid nitrogen. The sample of total RNA was prepared by centrifugating the extracts added with reagent at 4 ℃, centrifugating at room temperature after ice bath and centrifugating at room temperature after adding reagent in order.

方法］取800～1 000 mg许树和单叶蔓荆的鲜叶，加液氮研磨后制成提取液，提取液加试剂4 ℃下离心，冰浴后室温下离心，依次添加试剂后室温下离心，即得total RNA样品。

A set of in situ infrared apparatus which can beoperated at liquid nitrogen temperature is established. The structuralstudies of polyhydride of Ruthenium is carried out from roomtemperature to liquid nitrogen temperature. The structural conversion of〓 between dihydrogen and dihydride is observed firstly. It issuggested that with temperature changing, a fluxional structureconversion between terminal and bridged hydrogen appears. NMR studyand DV-Xα calculation are performed in this paper.

建立了可至液氮温度的原位红外测试装置，进行了室温至液氮温度区间钌多氢化合物的结构研究，首次发现了〓在室温存在分子氢与原子氢的结构流变，发现了新化合物存在随温度变化而出现桥氢与端氢的结构转化；进行了NMR测试及DV—〓计算。

In this paper the theory of the fatigue of diamond at room temperature was studied and the soft impressor technique was introduced.

本文阐述了金刚石室温疲劳破坏现象的产生，简单介绍了研究金刚石室温疲劳的实验方法——软压头技术。

It was verified that photoinducedisomerization of isonitrile compound in condensed phase followed a free radical chainmechanism at room temperature.

再者，作者针对一系列脂肪烃基异腈化合物室温下在凝聚相中的光诱导异构化反应机理进行了探讨和论证，通过自旋捕捉ESR实验和GC产物分析证明室温下液相中异腈化合物的可见光诱导异构化反应遵循自由基链反应机制。

With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务，乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐，因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。