应用化学

As a technique, microwave has been applied in the field of chemistry in recent years, mainly dealin...

微波技术在化学中的应用，近年来得到了迅速的发展。

The development of new catalysts has opened the chemistry to be applied to vegetable oils.

新催化剂的研发打开了植物油的化学应用之门。

The chloroform layer and the aqueous layer were separated by multiple column chromatography including macroporous resin, silica gel and polyamide column and preparative HPLC. The compounds obtained were identified by mass spectra and NMR data.

大青叶乙醇提取物，用氯仿萃取后得到氯仿层和水层，各层再分别采用硅胶柱、大孔树脂柱、聚酰胺柱、制备液相、葡聚糖凝胶柱层析及重结晶等分离手段进行分离、纯化，并应用化学性质和质谱、波谱法（1H-NMR、13C-NMR、HMBC）鉴定其化学结构。

L-Ascorbic acid is widely used in chemical and biological systems as a reducing agent, mostly in aqueous solution.

L-抗坏血酸是一种广泛应用于化学和生物系统的还原剂，主要以水溶液的形式存在。

Methods: 82 cases of gastric carcinoma and the tissues nearby were detected on Tissue Microarries which was made by Tissue Arrayer.

应用组织芯片仪制作了82例人胃癌组织及癌旁胃组织两套组织芯片；采用免疫组织化学方法检测其EPO、HIF-1a、CD105和CD34的表达。

Methods Tissue arrayer was used to create a 252-dot tissue microarray, consisting of 84 cases of malignant lymphomas arising in esophagus, stomach, intestines, thyroid, saliva gland , orbital cavity and lung, Seven cases of diffuse large B cell lymphomas,9 adenocarcinomas, 1 neuroendocrine tumor,1 squamous carcinoma, 6 T-cell lymphomas and 18 reactive lymphoid nodes were also included as control in the microarray.

建立包含84例MALT型淋巴瘤、7例弥漫性大B细胞淋巴瘤、9例腺癌、1例神经内分泌肿瘤、1例鳞癌、6例T细胞性非何杰金淋巴瘤和18例正常淋巴结共252点阵的组织芯片，应用免疫组织化学检测Ki-67、TopoⅡα、p53、Bcl-2、Bax、C-myc和Bcl-10在MALT型淋巴瘤中的表达情况。

The ground state, electronic and chemical properties are analyzed in terms of the precise calculated band structure and density of state, the theoretical results agree well with the experimental value, and can provide theorical asis for the design and application of optoelectronics materials of CdO.

利用精确计算的能带结构和态密度，从理论上分析了CdO材料基态属性及其化学和电学特性，理论结果与实验结果相符合，这为CdO光电材料的设计与大规模应用提供了理论依据。

Editors' Choice - APPLIED PHYSICS: Cooling Rays of Light | ASTROCHEMISTRY: Capturing Ferroelectric Ice | GENETICS: Pining for Understanding | DEVELOPMENT: Import Controls | CELL BIOLOGY: Sorting Out the Trash | PSYCHOLOGY: Changing Attitudes | CHEMISTRY: A Tale of Two Lattices...

编辑选择应用物理学：冷光源|astrochemistry：捕捉铁冰|遗传学：缅怀理解|发展：进口管制|细胞生物学：清理垃圾桶|心理学：改变态度|化学：一个故事：：两个格子

Methods The expression of P16 and P53 was detected in 60 case of brain astrocytoma by S-P immunohistochemical technique.

方法应用免疫组织化学技术SP法检测60例脑星形细胞瘤中P16和P53蛋白的表达情况。

The C〓-symmetric chiral bisoxazoline derivatives have recently been employed as ligands in a wide variety of metal-catalyzed asymmetric reactions.

在最近十几年中，具有C〓对称性的手性双噁唑啉作为配体被广泛应用于各种金属催化的不对称合成反应，并获得了良好的立体选择性，在某些反应过程中已表现出近似化学酶的功能。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。