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Based on the assessment of mycelial biomass, xylanase activity and content of xylose-equivalent reducing sugars in their liquid cultures, the isolate CY4786 was best for xylanase production in a basal medium containing birchwood xylan (10.0 g/L)as a sole carbon source, yeast extract (2.5 g/L) and sea salts (15.0 g/L) with initial pH 7.8. When assayed at the optimized regime of 50℃ and pH 4.6, the activity of xylanase produced by CY4786 in 7d liquid culture at 25℃ reached 1.07 × 104 unit/mL.

根据培养液中菌丝生物量、木聚糖酶活力和木糖等价还原糖含量等指标的测定，菌株CY4786在起始pH 7.8的木聚糖-酵母膏-海盐液体培养基中25℃下震荡(100r/min)培养7d产酶最佳；粗酶液在50q℃和pH 4.6的优化条件下进行测定，木聚糖酶活力达到1.07×104U/mL。

In addition, the preparation of palladium and silver nanoparticles were also realized by the reduction of their salts with potassium bitartrate under alkaline condition.

另外，在碱性条件下，用酒石酸氢钾还原相应的金属盐实现了制备钯和银纳米粒子。

The synthesis of gold and platinum nanoparticles by the reduction of their salts with potassium bitartrate as the reductant and poly (N-vinyl-2-pyrrolidone) or 3. 3-thiodipropionic acid as the capping agent has been studied.

对以聚和3，3—硫代二丙酸为覆盖试剂通过酒石酸氢钾还原相应的金属盐制备金、铂纳米粒子作了研究。

But bivalent and trivalent metal salts of the phosphoric acid had little effect on properties of iPP.

而二价的钙盐、镁盐、锌盐和三价的铝盐的成核效果不明显。

The effect of single component of inorganic metal salts and organic compounds, and combined brightener s on deposits of bright electroless nickel plating were studied.

分别研究了单组分无机金属盐、有机物以及组合光亮剂对化学镀镍层光亮性的影响。

Is mainly composed of calcium magnesium sulfate, chloride and nitrate as the hardness of the form salts.

主要是由钙镁的硫酸盐、氯化物和硝酸盐等盐类所形成的硬度。

Surface tension of water and saturated calcium hydroxide solution which added sodium chloride,calcium chloride,sodium sulfate and calcium nitrate were tested by ring method to study the effects of these salts on concrete performance.

为研究混凝土中常用的无机盐类外加剂对混凝土性能的影响，采用吊环法测试了不同浓度氯化钠、氯化钙、硫酸钠和硝酸钙水溶液和饱和氢氧化钙溶液的表面张力。

In order to research the effects of pH and inorganic salt on liquid fermentation of Antrodia camphorate, different fermental initial pH values including KH2PO4 and without KH2PO4, and different inorganic salts were arranged.

为探讨pH和无机盐对樟芝液体发酵的影响，设置了添加KH2PO4和不加KH2PO4条件下不同起始pH、不同无机盐对樟芝液体发酵的影响。

Moreover, an improved overall economy of the process could be achieved by using 4-methylthiazolium salts as carbene precursors.

同时，引入4-甲基噻唑盐作为卡宾前体，使整个反应的原子经济性得到了提高。

HeBei JiHeng Group Co.,LTD has the chemical engineering as its leading industry. it's a comprehensive company of producing. trading and scientific rearching. The major products includes chlorine.sulphuric acid .carbinol etc.which is the largest manufacturer of disinfectant in Asia, the second in the world. And it is also the largest manufacturer of persulphate salts in china, the largest manufacturer of ease pain material in north area of china.

河北冀衡集团有限公司是以精细化工产品生产为主导产业，集科工贸为一体的综合性企业集团，主要基础化学品有氯气、离子膜碱、隔膜碱、硫酸、甲醇等，是亚洲规模最大、世界第二的消毒剂生产基地，中国最大的过硫酸盐生产基地和中国华北地区最大的解热镇痛原料药生产基地。

Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.

在对危险的南部地区访问时，他斥责什叶派民兵领导人对中央集权的挑衅行为。

In fact,I've got him on the satellite mobile right now.

实际上 我们已接通卫星可视电话了