高镍的

The effects of rare earth elements on Reformation of amination -catalyst for fatty alcohol were analyzed in this paper.

研究表明，稀土元素具有和镍相反的对高沸物成分的抑制作用，稀土元素的加入普遍提高了脂肪醇胺化反应的选择性。

New contributions of this work are as follows:(1). Preparation of Spherical MgCl_2-Supported Late-Transition Metal Catalysts for Ethylene PolymerizationFacile and effective immobilization of late-transition metal catalysts. 2,3-bis-(2,6-diisopropylphenyl) butane diimine nickel dibromide (1) and 2,6-bis-[1-(2,4,6-trimethylphenylimino)ethyl]pyridine iron dichloride (2), for ethylene polymerization has been achieved, using spherical MgCl_2 supports obtained by thermal dealcoholization of MgCl_2·2.56C_2H_5OH, and the effects of dealcoholization temperature on supported late-transition metal catalysts and the properties of resultant polymers were studied, the results indicated that:1.Supports with appropriate mechanical strength, high surface area and high porosity could be prepared by thermal dealcoholization of spherical MgCl_2·2.56C_2H_5OH supports; 2.BET, XRD, IR, SEM, GPC and DSC analyses indicate that the activities of the supported late-transition metal catalysts and the properties of resultant polymers are strongly dependent on the dealcoholization temperature.

本工作的新贡献如下：(1)、球形氯化镁负载后过渡金属催化荆催化乙烯聚合本文将配合物2，3-双(2，6-二异丙基苯亚胺)丁烷二溴化镍(1)和配合物2，6-二[1-(2，4，6-三甲基苯亚胺)乙基]吡啶二氯化铁(2)分别直接负载于经不同热脱醇温度处理的球形氯化镁载体上，研究了氯化镁载体的脱醇温度对负载化后过渡金属催化剂及其聚合物的影响，研究表明：1、通过对球形MgCl_2·2.56C_2H_5OH载体进行热脱醇处理，可以获得合适机械强度、较高比表面积和较高孔隙度的球形氯化镁载体；2、BET，XRD，IR，SEM，GPC和DSC研究表明，脱醇温度极大地影响负载后过渡金属催化剂的活性和聚合物的性能。

New contributions of this work are as follows:(1). Preparation of Spherical MgCl_2-Supported Late-Transition Metal Catalysts for Ethylene Polymerization Facile and effective immobilization of late-transition metal catalysts. 2,3-bis-(2,6-diisopropylphenyl) butane diimine nickel dibromide (1) and 2,6-bis-[1-(2,4,6-trimethylphenylimino)ethyl]pyridine iron dichloride (2), for ethylene polymerization has been achieved, using spherical MgCl_2 supports obtained by thermal dealcoholization of MgCl_2·2.56C_2H_5OH, and the effects of dealcoholization temperature on supported late-transition metal catalysts and the properties of resultant polymers were studied, the results indicated that: 1.Supports with appropriate mechanical strength, high surface area and high porosity could be prepared by thermal dealcoholization of spherical MgCl_2·2.56C_2H_5OH supports; 2.BET, XRD, IR, SEM, GPC and DSC analyses indicate that the activities of the supported late-transition metal catalysts and the properties of resultant polymers are strongly dependent on the dealcoholization temperature.

本工作的新贡献如下：(1)、球形氯化镁负载后过渡金属催化荆催化乙烯聚合本文将配合物2，3-双(2，6-二异丙基苯亚胺)丁烷二溴化镍(1)和配合物2，6-二[1-(2，4，6-三甲基苯亚胺)乙基]吡啶二氯化铁(2)分别直接负载于经不同热脱醇温度处理的球形氯化镁载体上，研究了氯化镁载体的脱醇温度对负载化后过渡金属催化剂及其聚合物的影响，研究表明： 1、通过对球形MgCl_2·2.56C_2H_5OH载体进行热脱醇处理，可以获得合适机械强度、较高比表面积和较高孔隙度的球形氯化镁载体； 2、BET，XRD，IR，SEM，GPC和DSC研究表明，脱醇温度极大地影响负载后过渡金属催化剂的活性和聚合物的性能。

High Quality Components: anti-friction bearings fsmooth operation with lower horsepower; front rear bearings fprecise cranksLSEft alignment long sLSEft life; fully enclosed, all metal fan-blade guard; fly wheel precision-balanced fan-bladed fexcellent cooling capacity; heavy duty, sLSEft-driven, gear-type oil pump fgenerous lubrication to critical wear areas flonger pump life; stainless steel, disc-in-plate valves flong wear excellent heat resistance dissipation; valve housings nickel-plated fcorrosion resistance.

高质量部件：低摩擦轴承提供平滑的运行并降低功耗。前后轴承提供精确的曲轴对中，延长曲轴寿命。全封闭风扇防护罩。飞轮经过精确平衡并带有风扇叶片，提供极好的冷却能力。重载型曲轴驱动齿轮式油泵为磨损区域提供充足的润滑。不锈钢阀片耐磨损，散热性好。阀座采用镀镍处理，耐腐蚀。

The material series include JP series—MnZn power ferrite used for switching power supplies and other power conversion applications, JV series—MnZn power ferrite used for fly-back transformers in CRT color display systems, JH series—MnZn high permeability ferrite used for digital and analog communication and EMC field, JL series—MnZn low loss ferrite used for traditional communication filters and JR series—NiZn ferrite used for radio frequency fields.

材料方面包括用于开关电源和其它功率转换领域的锰锌功率铁氧体 JP 系列，用于 CRT 彩色显示系统回扫变压器的锰锌功率铁氧体 JV 系列，用于数字和模拟通讯及电磁兼容领域的锰锌高磁导率铁氧体 JH 系列，用于传统通讯滤波器的锰锌低损耗铁氧体 JL 系列和用于射频领域的镍锌铁氧体 JR 系列。

This paper deals with status of eight heavy metals (Hg, Cd, Pb, As, Cu, Cr, Ni and Zn) in the soil from the Fengrun region, Tangshan City, Hebei province and quality evaluation of the soil. The result of the investigation indicates that: 1. the study area soil is neutral — alkaline — strongly alkaline;2. the organic matter content is widespread low;3. high concentrations of all heavy metals distribute in the localities where there are intensive mankind's activities. The most outstanding localities are Xiaodaodi village, Shawoxin village, Puzhuangzi village, Qianxinzhuang village, Xuezhuang village and Hancheng town. The main pollutant exhausting enterprises in study area are Guofurunxing Milk Ltd., the hennery, Jinxiang chemical fibre factory, Tangshan Fuming steel Ltd.

本文通过实地调查收集资料和实验室测试结果，对河北省唐山市丰润地区进行了土壤中汞、镉、铅、砷、铜、铬、镍、锌八种重金属污染程度调查，调查结果表明：研究区土壤为中性—碱性—强碱性，有机质含量普遍偏低，所有的重金属高值区都分布在人类活动较多的地区，最突出的有小稻地村、沙窝新村、蒲庄子村、前新庄村、薛庄村和韩城镇；研究区内影响土壤质量的主要企业有：国富润兴奶业有限公司、养鸡场、金翔化纤厂、唐山市福明钢铁有限公司、废品加工厂、唐山市宏达建材机械厂和蓝箭衡器厂。

Naphthylamine is the intermediate of various dye products and the major raw materials of various rubber aging inhibitors,ɑ-naphthol produced with ɑ-naphthylamine is the major intermediate of pesticide carbaryl; KT-02 nickel catalyst is used to prepare naphthylamine by nitro-naphthalene catalytic hydrogenation, the product has high purity and high yield, and it's currently one of the best technological conditions, and the catalytic activity of the catalyst does not deteriorate after multiple times of recycle.

萘胺是多种染料产品的中间体，也是多种橡胶防老剂的主要原料，由ɑ-萘胺生产的ɑ-萘酚是农药西维因的重要中间体，KT-02型镍催化剂用于硝基萘催化加氢制备萘胺，产物纯度好、收率高，是目前最佳的工艺条件之一，且催化剂多次套用催化活性不减。

Solar collectors for the selective absorption of high-coating the introduction of Germany technology into the market, this new type of titanium-based and quartz-blue coating, a one-time use of ionizing coating process, as opposed to the widespread use of The black chrome plating and black nickel coating, in terms of performance on an unparalleled advantage.

用于太阳能集热器的高选择性吸收体涂层引进德国技术进入市场，这种新型的基于钛基和石英的蓝色涂层，采用了一次性电离涂层工艺，相对于普遍使用的电镀黑铬和黑镍涂层来说，在性能上具有无可比拟的优势。

Pressing has to be repeated thrice, in order to get rid of the unsaturated acids, otherwise the quality will be inferior This new method is to use soy bean oil or cotton seed oil and Chinese vegetable tallow singly or together as raw materials.

本研究系采用豆油或棉子油与桕油分别或混合进行极度氢化后水解，蒸馏即获得质量高的硬脂酸。以含水0.1％以下酸价0.5以下的精炼棉子油与桕油，用0.2—0.25％的镍催化剂，在表压5—10公斤，温度180—200℃情况下，在有良好搅拌的氢化罐内进行氢化，3小时以内即可达到极度氢化。

The bare cells with smooth surface presented transverse outspreading effect at mica surface. Great changes took place in surface roughness for those bacterial cells after metallization. A large number of nickel nanoparticles were observed to be equably distributed at bacterial surface after activation and subsequent metallization.

结果显示，空白对照菌表面平整光滑并在云母基底表面表现出较显著的铺展效应；经过活化和化学镀镍后的菌细胞表面粗糙度明显增大，并在基本保持原有菌模板外形的基础上，其高宽比有所增大。

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。