硫

There are also large scale gypsum and celestite deposit,middle scale sulfur iron ore within 10 km~2.,besides lead-zinc deposit.Some basic geological problems are still ambiguous,and ore deposit genesis are controversial.

除铅锌矿外，在矿区不到10km~2的范围内尚有大型石膏矿和天青石矿，以及中型硫铁矿等，成矿地质条件相当复杂。

The activity of superoxide dismutase, content of chlorophyllans element S in the leaves of Symplocos tetragona treated with 10 mmol/L NaHSO3, and pH buffering capacity in cell sap were determined in order to explore the resistance mechanism of S. tetragona to SO2 pollutant in this paper.

野外调查了棱角山矾抗SO2大气污染的生长状况，为探讨其抗性机理，进行了室内外加HSO3-处理试验，测定了SOD酶活性、叶绿素含量、硫含量和细胞液pH值及其缓冲能力。

The Product Is Suitable for separating the granularity is 0.3-0.02mm of the iron ore,limonite,chromites,trotline,zirconium,retiles,monazite,centimes,wolfram ore,Stan nary,tantalum minerals,niobium minerals and other non feerous metal,rare metal and non metal.

本设备适用于分选粒度0.3--0.02毫米细料的铁矿、钛铁矿、铬铁矿、硫铁矿、锆英石、金红石、独居石、磷乙矿、钨矿、锡矿、钽矿、铌矿以及具有比重差异的其他有色金属、稀有金属和非金属矿物体。

To probe into the role of GST in water stress,GST activities in the seedlings of common centipede grass treated by PEG6000 are investigated.

为探明谷胱甘肽转硫酶在水分胁迫中的作用，分别用聚乙二醇6000模拟干旱处理假俭草不同时间后，测定假俭草植株的质膜电解质渗透率，GST活性，H2O2和还原型谷胱甘肽含量。

Common centipede grass ; PEG stress ; GST ; H 2O 2; GSH

假俭草；聚乙二醇胁迫；谷胱甘肽转硫酶；双氧水；还原型谷胱甘肽

The invention discloses an InP quantum point preparing method, comprising the steps of:(1) mixing InCl3 with trioctylphosphine oxide, and preserving heat at 90-110DEG C to prepare a solution whose In content is 0.1-0.3mol/L;(2) raising temperature to 130-180DEG C, and charging argon gas;(3) injecting PSi(CH333 into InCl3-TOPO compound in the molar ratio of 1 to 1-1 to 2;(4) when the solution color turns into transparent red or orange, raising temperature to 260-270DEG C and preserving heat;(5) lowering temperature to 90-110DEG C and injecting dodecyl amine, decyl amine or mercaptan;(6) dissolving reacting mixture in nonpolar solvent to form transparent colloidal solution, then adding in polar solution until the colloidal solution is muddy, and centrifugally separating and obtaining deposits and supernatant; and (7) centrifugally separating the supernatant, where the above steps (1)-(5) are performed.

本发明公开了一种InP量子点的制备方法，其步骤为：①将InCl 3 与三辛基氧膦混合，在90～110℃保温制得In含量为0.1～0.3mol/L的溶液；②升温到130～180℃，通入氩气；③将PSi(CH 3 3 3 注射入InCl 3 -TOPO复合物中，其摩尔比为1∶1～1∶2；④待溶液颜色变为透明的红色或橙红色，将升温260～270℃保温；⑤降温到90～110℃，注入十二胺、癸胺或硫醇；⑥将反应混合物溶于非极性溶剂，形成透明的胶体溶液，然后加入极性溶剂，直至胶体溶液出现混浊状，然后离心分离获得沉积物和上层清液；⑦取上层清液进行离心分离。上述步骤①～⑤在保护气氛下进行。

Dot blotting assay was employed in this study to ob- serve dynamic changes of c-fos mRNA expression during reperfusion after cere- bral ischemia in rats.

本实验用改良的异硫氰酸胍一步法从脑组织中提取总RNA，与α—〓标记的c—fos cDNA（2.1 kb）探针进行斑点杂交，观察大鼠脑缺血过程中c—fos mRNA表达的变化及小檗碱对其的影响。

To perform large-scale multiplex analysis of antibody responses to lipids in multiple sclerosis, we developed microarrays composed of lipids present in the myelin sheath, including ganglioside, sulfatide, cerebroside, sphingomyelin and total brain lipid fractions.

我们采用微列阵技术对多发性硬化脂质反应性抗体进行大规模多重分析，微列阵组成包括髓鞘中的脂质，其中包括神经节苷脂、脑硫脂、脑苷脂、鞘磷脂、总的脑脂质。

A new collector with chelate-ability,diphenyl α-(3-phenylthioureido) alkanephosphonate,is synthesized,and the collecting performance for cerussite ,calcite and quartz,and the relationship between property and structure are investigated, and the depressor function of pyrogallic acid are also studied.

合成具有螯合性能的新型捕收剂———-α(3-苯基硫脲基)烃基膦酸二苯酯，研究该系列化合物对白铅矿、方解石和石英的捕收能力以及结构和性能的关系，并考查焦性末食子酸的抑制作用。

Basis on the charaters of chalcocite with high copper and low sulphur,the detail experiments was conducted for chalcocite concentrates from Brazil.

针对辉铜矿含铜高、含硫低等特点，采用巴西辉铜矿进行了详细的试验研究，开发了一种湿法冶金新工艺，采用常压、加压联合流程直接生产阴极铜，铜总浸出率大于99%，回收率大于98

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。