查询词典 CU

This thesis makes up the direction for Cu-Zn-Al-O catalyst, explores the perparation method and technological conditions、the reduction method and technological conditions of Cu-Zn-Al-O catalyst, investigates Cu-Zn-Al-O catalyst activity, and studies the kinetics of γButyrolactone synthesis reaction by the liquid phase dehydrocyclization from 1, 4-Butanediol on Cu-Zn-Al-O catalyst in the batch reactor.

研究了Cu-Zn-Al-O催化剂的配方、制备方法和工艺条件、活化方式和工艺条件，考察了催化剂的活性，并在全混釜反应器中研究了1，4—丁二醇在Cu-Zn-Al-O催化剂上液相脱氢环化合成γ—丁内酯的反应动力学特性。

Caudatum was studied. 0.05 mg/L could be the critical mass concn. of P. caudatum fitting to Cu(superscript 2+).Below this concn., the polysaccharide content in P. caudatum was increased in a small range with the increment of mass concn. of Cu(superscript 2+),then the growth and propagation of P. caudatum was strengthened and above this concn., the polysaccharide content was decreased significantly with the increment of mass concn. of Cu(superscript 2+), then the growth and propagation of P. caudatum began to be restrained obviously and the poison was more obvious when the concn.

结果］0.05 mg/L可能是大草履虫适应Cu(上标 2+)的临界质量浓度，低于此浓度时，大草履虫体内的多糖含量随着Cu(上标 2+)质量浓度增大而呈现小幅度的增高，大草履虫的生长繁殖得到增强，高于此浓度时，大草履虫体内的多糖含量随着Cu(上标 2+)质量浓度增大而显著地降低，大草履虫生长繁殖开始明显受到抑制，且浓度越高受毒害越明显。

The results is two strains of bacteria Pseudomonas alcaligenes (No. 1203) and Cellulomonas (No. 1120) that could endure 60 times of the V water quality standard were selected, that is, 2 strains could grow in 6mg Pb /L and 60mg Cu /L media. Another 2 strains could endure 70 times of the standard were attained, Rhodococcus (No. 1314) and Acinetobacter (No. 1410), which could grow in 7mg Pb /L and 70mg Cu /L media.

共筛选出耐国家水质V类污水重金属Pb和Cu 60倍（Pb 6mg/L，Cu 60mg/L）的菌株共2株，1203号菌（产碱假单胞菌Pseudomonas alcaligenes）和1120号菌（纤维单胞菌Cellulomonas）；耐V类重金属Pb和Cu 70倍（Pb 7mg/L，Cu 70mg/L）的菌株2株，1314号菌（红球菌属Rhodococcus），1410号菌（不动杆菌Acinetobacter）。

The Cu-doped Co-Cu-B catalyst was prepared by chemical reduction of mixed CoCl_2 and CuCl_2 with KBH_4 in a- queous solution and the effect of the Cu-content on the catalytic performance was investigated during liquid-phase furfural hy- drogenation to furfuryl alcohol.

用KBH_4还原CoCl_2和CuCl_2混合溶液制得Co-Cu-B催化剂，用于糠醛液相选择性加氢制糠醇，研究了不同Cu掺入量对催化剂性能的影响，发现当Cu：Co的摩尔比为9.64×10~(-3)时，催化活性达到最佳。

The chilling requirements estimated in terms of chilling unitwere tentatively 100 CU for 'Wan shan' and 'Yen chin mei',80 CU for 'Ta ching','Farng biing shyong' and 'Taur hsing mei',60 CU for'Shan lien' to break the bud dormancy.

由此方法评估结果暂定'万山'及'胭脂'梅的需冷量为100个低温单位(chill unit， CU)，'大青'、'房炳雄'及'桃形'梅约80 CU，'山连'约70 CU。

The experimental results show that microwave sintering promotes the densification of green compacts with higher heating rate and reduced sintering cycle. The sintered relative density of 99.8% can be achieved during microwave processing under appropriate conditions. In addition, microwave sintering improves the uniformity and homogenization of W grain size, and yet leads to growth of W grain. Fe sintering aid degrades the microstructure uniformity and further coarsens W grains. The present investigation demonstrates the feasibility of applying microwave sintering technique to consolidate W-Cu composites and its promising outlook in reducing production cycle and cost.

结果表明：微波烧结升温速度快，周期短，能促进W-Cu材料的致密化；在适当条件下，微波烧结能获得相对密度达99.8%的W-Cu样品；微波烧结能改善W-Cu样品中两相分布的均匀性和W晶粒尺寸的一致性，但引起W晶粒的快速长大；Fe烧结助剂导致W-Cu材料显微组织均匀性变差，并引起晶粒进一步粗化；微波烧结技术能够应用于W-Cu材料的制备，在缩短生产周期、降低生产成本方面具有潜在优势。

Experimental dietaries were control, Cu 150mg/kg+Cr 600ug/kg, Cu 150mg/kg+Cr 600ug/kg+ LO 3.0%, Cu 150mg/kg+Cr 600ug/kg+CLA 0.3% and Cu 150mg/kg+Cr 600ug/kg+LO 3.0%+ CLA 0.3% respectivel

Cu+Cr十LO显著降低蛋黄TG和TC水平，Cu+Cr+CLA对蛋黄TG和TC水平有升高的效果。

Secondly, by studying on the effect of metalized diamond on improving the composites bending strength, whose diamonds were coated by magnetron sputter Ti, Mo and TiN, electroless polyalloy Ni-Cr-P and Ni-W-P, molten salt coating Ti-Co-Cu, Cr-Ni-Cu and W-Cu-Co etc., some basic characteristics of ideal metalizing coating were presented. An original molten salt coating technology was also developed, and the coating equipment required is only a muffle oven and an alumina capsule, which is very suitable for tool factories in China.

其次，通过对磁控溅射镀Ti、Mo、TiN，化学镀Ni-Cr-P、Ni-W-P及熔盐沉积Ti-Co-Cu、Cr-Ni-Cu、W-Cu-Co等镀层对提高复合材料抗弯强度等方面的较系统的研究，提出了理想镀层应具备的几个基本特征；并针对我国金刚石工具厂家多、规模小的特点，创造性地开发出了一种不需要真空设备和保护气氛，只需要马弗炉和坩锅就可以进行镀膜的熔盐金属化技术。

Study the result makes clear, normal temperature ball grinds a condition to fall, cu-Cr mixed powder end realizes alloy to change; to grind the temperature inside coal tub when the ball hard under 10 ℃ when, cu-Cr mixed powder end forms Cr the solid solution in Cu.

探究结果表明，常温球磨条件下，Cu-Cr混合粉末难以实现合金化；当球磨罐内温度低于10℃时，Cu-Cr混合粉末形成Cr在Cu中的固溶体。

As a result, some ideas about the fabrication are put forward.The EPMA experiment results show that the main element such as W, Mo, Ti, Ni, Cu, Fe element are changed gradually in W-Mo and W-Mo-Ti FGM. In the layer rich in W, the grain are intervained and are mixed mechanismly. The same is to the layer rich in Mo and W-Mo. These grain felt up by some sinter. In Mo-Ti layer rich in Mo, the grains are also mixed mechanismly. Ni, Cu, Fe element assembled at interface. Ni melt by Cu plays an vital role in sinter effect. The microstructure characteristics result show that the compactness of W-Mo and W-Mo-Ti FGM is good.

电子探针实验结果表明W-Mo系、W-Mo-Ti系梯度功能材料中主要元素W、Mo、Ti、Ni、Fe、Cu分布整体上具有梯度变化规律，发现富W区、富Mo区、W-Mo混合区中颗粒交错分布，基本上以机械混合的形式存在，颗粒之间主要靠烧结剂的粘结作用实现致密化；以Mo为主要组分的Mo-Ti混合区，也是以机械混合的形式存在；Cu溶解于Ni形成固溶体更好地起到活化烧结能力，Ni、Cu、Fe在宏观层间界面富集，有利于烧结致密化。

The big eared hedgehog, the little owl, the sand gecko, the three-toed jerboa, and every show needs a villain - saw-scale - the viper!

大耳刺猬，小猫头鹰，沙壁虎，三趾跳鼠，每场戏都需要反派角色：蝰蛇。

Plasmodiophora brassicae ; resting spores ; density gradient centrifugation of sucrose ; ultrasonic disruption

根肿；休眠孢子；蔗糖密度梯度离心；超声波破碎