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Through detailed research on sample analysis result from energy spectrum,scanning electron microscope and ordinary optical microscope,an unusual amphibole mineral is discovered— magnesium rich arfvedsonite ,sourcing from secondary alteration of titanite,which is a very unusual mineral metasomatic alteration phenomenon,that is,natrium and ma.

通过单矿物提取获得了松辽盆地北部深层砾岩层高碱砾石中的一种光性特殊的矿物颗粒样品,通过对样品的能谱、扫描电镜、普通光学显微镜分析结果的深入研究,发现了一种罕见的闪石类矿物——富镁亚铁钠闪石。

Using RAPD markers techonolgy analysed the genetic structure of populations and built up the reaction system of SSR markers of Aristida pennata, at the same time, analysed the genetic structure based on SSR markers techonolgy. The research results are as follow:(1) 11 amplifiction random primers were used to detecte 125 loci in 76 samples. The total proportion of polymorphic loci of. Aristida pennata is 96.8%, the average proportion of polymorphic loci of Aristida pennata is 45.3%. The analyses of Shannon diversity index (1,0.5151) and Nei gene diversity index(h, 0.3471) indicate that the gene variation is rich in subpopulations.

Pennata.tirn为研究对象,在阜康,147团及121团周边等7个亚种群采集76个样品,通过RAPD分子标记技术进行亚种群内和种群间的遗传变异分析,并采用SSR技术建立羽毛三芒草的检测技术平台同时进行遗传结构分析,结果表明:(1) 11条RAPD引物检测到76个样品有125个位点,总多态位点百分比为96.8%;亚种群内平均多态位点比为45.3%,香农表型多样性指数(1,0.5151),Nei's基因多样度指数(h,0.3471)都说明羽毛三芒草种群有较为丰富的遗传变异。

Microcalorimetric measurements of NH~3 adsorption on catalysts reveal that the remarkable strong acidity and catalytic activity of the Al- promoted catalysts are caused by a change of distribution of acid site strengths and an enhancement in the number of strong and intermediate-strong acid sites effective for the n-butane isomerization and benzoylation of toluene.

NH~3吸附微量热结果表明,Al促进样品的强酸性和催化活性的显著提高是由于样品表面的酸位强度分布发生了变化,有利于正丁烷异构化反应和苯甲酰化反应的中强酸位和强酸位的酸量显著增加。

Experimental results show that the incorporation appropriate amount of Al into SO〓〓/ZrO〓, SO〓〓/TiO〓 and SO〓〓/Fe〓O〓 is helpful to stabilize the sulfur species on catalyst surfaces and to improve the superacidity and catalytic activity for benzoylation of toluene with benzoyl chloride.

实验表明,向SO〓〓/ZrO〓、SO〓〓/TiO〓和SO〓〓/Fe〓O〓中引入适量的Al〓O〓,有助于稳定样品表面的硫物种,提高样品的超强酸性和对甲苯的苯甲酰化反应活性。

In the first case, the products of the MFW4/31 amplification were loaded when bromophenol blue dye from MFW7/9 sample migrated to a 3-cm distance from the wells, while in the second case, MFW17/26 products were loaded when the dye from MFW13/20 reached 4.5 cm.

在第一种情况下,当溴酚蓝染料从MFW7/9 样品迁移到离加样穴 3-cm 距离时加入MFW4/31 扩增产物,而在第二种情况下,当溴酚蓝染料从MFW13/20 样品迁移到离加样穴4.5 cm距离时加入MFW17/26 产物。

Identified by various methods such as X-ray powder method, infrared analysis and D.T.A., microscopic studies,they are found to be composed almost entirely of one rare mineral, brushite CaHPO_4·2H_2O, while some of them may contain a small amount of another rare mineral,monetite CaHPO...

样品的室内测试鉴定工作,由季寿元、方金满、唐玉梅三人完成;成因问题的探讨,则以陈、王二人的意见为主合作写成。经初步研究,确定结石的主要成分为CaHPO_4·2H_2O,相当于矿物中的透磷钙石,在个别样品中尚有少量的三斜磷钙石CaHPO_4存在。

Experimental results indicate that the contents of gold from the samples added alkanethiol-derivatised gold are higher then the added chloroauric acid.

实验结果表明含十二烷基硫醇衍生金的样品在90-600℃气相产物带出金含量高于用氯金酸处理过的样品

Methods Determination of DNJ by derivatization with 9-fluorenylmethyl chloroformate and followed by reversed-phase high-performance liquid chromatography and a fluorescence detector; the inhibitory curves on α-glucosidase at the enzymatic level and the activities to α-aglucosidase in vitro were observed in the everted sac experiment.

以氯甲酸药甲酯柱前衍生RP-HPLC荧光检测法对DNJ进行分析;在酶水平测定样品的α-糖苷酶抑制曲线,在离体水平用反转肠囊实验测定样品的α-糖苷酶抑制活性。

These three kinds of Bile extraction were qualitatively detected by using the paper chromatography and infrared spectral scanning method, and the results show that These extractions have the same Rf value and infrared spectra's characteristic absorption peak as choleic acid, glycocholic acid and taurocholic acid standard preparation which can prove that These three kinds of Bile extraction are choleic acid, glycocholic acid and taurocholic acid respectively.

采用薄层层析法和红外光谱扫描法对提取物进行定性检测,结果证明三种提取样品分别与胆酸、甘氨胆酸及牛磺胆酸标准品显色斑点Rf值相同,红外光谱特征吸收峰均一致,表明提取出的三种样品分别为胆酸、甘氨胆酸、牛磺胆酸结晶体。

Results: The selectivity and the specificity of HKSal were the same as other two chromogenic media.

结果:3种显色培养基均具有良好的选择性及特异性;在对7株质控菌、人工污染样品和实际样品检测中,HKSal、ZWSalI和ZWSalII沙门菌显色培养基与经典培养基SS和DHL可以达到相近的检测限和灵敏度。

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