多重点

Acetic anhydride was a very important chemical raw material, which was widely used in many fields of the national economy. There were more preparation methods for acetic anhydride, however, using coal into an important chemical materials was the states key research project.

醋酸酐是非常重要的化工原料，广泛的运用于国民经济多个领域，制备方法比较多，但利用煤炭转化为重要的化工原料是国家重点研究项目。

Multi-aim geochemistry agrology survey in deeply overcast areas serves to the evaluation of the agriculture, environment, mineral resources and study of the fundamental geology. In this paper, we discuss emphatically the restrict mechanism between the activation of mineral elements and their contents of CaCO3 and pH, and show the importance of the study of soil pH and CaCO3 for agriculture and environment protection.

深覆盖区多目标地球化学调查，旨在通过土壤地球化学测量，为农业、环境、矿产资源评价及基础地质研究服务，作者重点阐述了土壤pH值、 CaCO3含量与土壤矿质元素活化之间的制约机理，论述深覆盖区多目标地球化学调查要实现服务于农业、服务于生态环境保护的目标，就必须加强对土壤pH值及CaCO3含量调查研究。

It points out the topic, meaning and creative; introducing the consist and principle of the intelligent vehicle navigate system in chapter 2; analyzing the method of GPS-oriented and the error origin in chapter 3; analyzing briefly the principle and merged method of interspaced diversity and resist multi-decline in chapter 4; introducing the hardware and software realization of ambulant station of intelligent vehicle navigate /dispatcher system based on multi-GPS antenna in detail in chapter 5; giving the debugging and simple trial result of ambulant station in chapter 6; The lasted propose solving tactics to problem that exist in studying, draws a conclusion of this thesis and plans the future researching works.

指出本课题的研究的主题、意义及创新点；第二章概括性介绍了智能车辆定位导航系统的组成与原理；第三章分析了GPS定位的方法和误差来源；第四章重点分析了空间分集抗多经衰落的原理和信号合并方法；第五章详细介绍了多GPS天线智能车辆导航/调度系统车载台的软硬件实现；第六章给出了车载台的调试和简单试验结果。最后对研究中存在的问题提出了解决策略及下一步的研究方向。

Autonomous territory of wild animals widely distributed, the number of more than 174 identified species of wild animals accounted for the distribution of the types of Gansu 25%, with national key protected wild animals as much as 32 kinds, there are wild horses, wild camels, white-lipped deer, argali, blue sheep, bison, snow, etc .. Approved by the provincial government in 1988 opened up aha shi ha er international hunting ground, the reception of foreign guests come year-round hunting.

自治县境内野生动物分布广、数量多，已查明的有174种，占甘肃野生动物分布种类的25%，其中国家重点保护的野生动物有32种之多，主要有野马、野骆驼、白唇鹿、盘羊、岩羊、野牛、雪鸡等。1988年经省政府批准开辟了哈什哈尔国际狩猎场，常年接待国外客人前来狩猎。

In this project, a series of novel polypyridine ligands and their ruthenium complexes were synthesized. The scope of this work is focused on the construction of multinuclear complexes, the controlling of electron and energy transfer in polynuclear complexes, NLO materials and molecular recognition, The results should be of value in further understanding the properties of the Ru complex, as well as laying the foundation for the rational design of Molecular devices based on Ru complexes.

本课题的主要目的是应用化学手段，设计合成出一系列结构新颖的多吡啶配体及其钌配合物，在多核配合物的构筑、电子和能量转移调控、非线性光学材料和分子识别等方面进行重点研究，旨在进一步丰富和发展钌多吡啶配合物化学。

This thesis discussed the construction method for hybrid cascade asymmetrical multilevel converters,and some novel topologies are presented. Hybrid cascade asymmetrical multilevel converter can be derived by combining AMC and AMC,or combining AMC and SMC.

本文研究了组合式不对称混合级联型多电平变换器拓扑的生成方法，在此基础上提出了几种新型拓扑，重点研究了不对称同构混合级联型多电平变换器和不对称异构混合级联型多电平变换器。

Professionals dedicated to designing, developing, manufacturing, sales, food machinery, pharmaceutical machinery, chemical machinery and equipment, dairy beverage machinery and equipment and machinery and electronic products: jm colloid mill , multi-functional grinding machine, titanium grinding machines, multi-functional grinding machine, wet ultrafine particles grinder, plastic grinder, refiner, gouache mixers, thj-l / f series mixer, mc18 mixers, beater, homogenizer, high shear emulsification are machine-cut, zb3a series of colloid pump (rotor pump, cam pump, clover pump, butterfly pump, stainless steel volume pump, 10000 pump with the delivery), milk uniform machines, screw, titanium dioxide slurry pumps, single - thick screw pump, pneumatic slurry pumps (leather spray pump, beating pump, insert barrel pumps, pump thick), high-shear dispersion emulsion pump, solid-liquid mixing pump, titanium dioxide slurry pump, high pressure are quality pumps, beverage pump, plate heat exchangers, a variety of filtration equipment, wash tank ball, cleaning spinning ball, automatic spray the ball and sanitation level clamp, live joints, valves, pipe fittings, products, services, covering industry, agriculture, transportation, energy, construction, light industry, automobile, shipbuilding, mining, metallurgy, ceramics, titanium, key laboratory of universities and scientific research institutes, aerospace and other areas of national economy, an important industry for more than 140 countries and regions in the world to provide specialized service.

专业致力于设计、开发、制造、销售食品机械设备、制药机械设备、化工机械设备、乳品饮料机配套设备及机电类产品：胶体磨、多功能研磨机、钛白粉研磨机，多功能研磨机组、湿式超微粒粉碎机、胶磨机、磨浆机、水粉混合器， thj-l/f 系列混合机、 mc18混合机、打浆机、均质机、高剪切乳化均机、 zb3a 系列胶体泵（转子泵、凸轮泵、三叶泵、蝶型泵、不锈钢容积泵、万用输送泵）、乳匀机、螺杆泵、钛白浆料输送泵、单螺杆浓浆泵、气动浆料泵（皮革喷浆泵、打浆泵浦、插桶泵、浓浆泵）、高剪切分散乳化泵、固液混合泵、钛白粉浆料泵、超高压均质泵、饮料泵、板式换热器、各种过滤设备、洗罐球、清洗旋转球、自动喷球及卫生级卡箍、活接头、阀门管道配件，产品服务领域覆盖了工业、农业、交通、能源、建筑、轻工、汽车、船舶、矿山、冶金、陶瓷、钛业、高校科研院所重点实验室、航空航天等国民经济重要产业领域，为全球140多个国家和地区提供专业化服务。

Professionals dedicated to designing, developing, manufacturing, sales, food machinery, pharmaceutical machinery, chemical machinery and equipment, dairy beverage machinery and equipment and machinery and electronic products: JM Colloid Mill , multi-functional grinding machine, Titanium grinding machines, multi-functional grinding machine, wet ultrafine particles grinder, plastic grinder, refiner, gouache mixers, THJ-L / F Series Mixer, MC18 mixers, Beater, homogenizer, high shear emulsification are machine-cut, ZB3A series of colloid pump (rotor pump, cam pump, clover pump, butterfly pump, stainless steel volume pump, 10000 pump with the delivery), milk uniform machines, screw, titanium dioxide slurry pumps, single - thick screw pump, pneumatic slurry pumps (leather spray pump, beating pump, insert barrel pumps, pump thick), high-shear dispersion emulsion pump, solid-liquid mixing pump, titanium dioxide slurry pump, high pressure are quality pumps, beverage pump, plate heat exchangers, a variety of filtration equipment, wash tank ball, cleaning spinning ball, automatic spray the ball and sanitation level clamp, live joints, valves, pipe fittings, products, services, covering industry, agriculture, transportation, energy, construction, light industry, automobile, shipbuilding, mining, metallurgy, ceramics, Titanium, Key Laboratory of universities and scientific research institutes, aerospace and other areas of national economy, an important industry for more than 140 countries and regions in the world to provide specialized service.

专业致力于设计、开发、制造、销售食品机械设备、制药机械设备、化工机械设备、乳品饮料机配套设备及机电类产品： JM 胶体磨［ colloid mills 立式胶体磨、分体式胶体磨、卧式胶体磨、管线式胶体磨、全封闭式胶体磨、双冷却式胶体磨、分散均质胶体磨］、多功能研磨机、钛白粉研磨机，多功能研磨机组、湿式超微粒粉碎机、胶磨机、磨浆机、水粉混合器， THJ-L/F 系列混合机、 MC18混合机、打浆机、均质机、高剪切乳化均机、 ZB3A 系列胶体泵（转子泵、凸轮泵、三叶泵、蝶型泵、不锈钢容积泵、万用输送泵）、乳匀机、螺杆泵、钛白浆料输送泵、单螺杆浓浆泵、气动浆料泵（皮革喷浆泵、打浆泵浦、插桶泵、浓浆泵）、高剪切分散乳化泵、固液混合泵、钛白粉浆料泵、超高压均质泵、饮料泵、板式换热器、各种过滤设备、洗罐球、清洗旋转球、自动喷球及卫生级卡箍、活接头、阀门管道配件，产品服务领域覆盖了工业、农业、交通、能源、建筑、轻工、汽车、船舶、矿山、冶金、陶瓷、钛业、高校科研院所重点实验室、航空航天等国民经济重要产业领域，为全球140多个国家和地区提供专业化服务。

Professionals dedicated to designing, developing, manufacturing, sales, food machinery, pharmaceutical machinery, chemical machinery and equipment, dairy beverage machinery and equipment and machinery and electronic products: JM Colloid Mill , multi-functional grinding machine, Titanium grinding machines, multi-functional grinding machine, wet ultrafine particles grinder, plastic grinder, refiner, gouache mixers, THJ-L / F Series Mixer, MC18 mixers, Beater, homogenizer, high shear emulsification are machine-cut, ZB3A series of colloid pump (rotor pump, cam pump, clover pump, butterfly pump, stainless steel volume pump, 10000 pump with the delivery), milk uniform machines, screw, titanium dioxide slurry pumps, single - thick screw pump, pneumatic slurry pumps (leather spray pump, beating pump, insert barrel pumps, pump thick), high-shear dispersion emulsion pump, solid-liquid mixing pump, titanium dioxide slurry pump, high pressure are quality pumps, beverage pump, plate heat exchangers, a variety of filtration equipment, wash tank ball, cleaning spinning ball, automatic spray the ball and sanitation level clamp, live joints, valves, pipe fittings, products, services, covering industry, agriculture, transportation, energy, construction, light industry, automobile, shipbuilding, mining, metallurgy, ceramics, Titanium, Key Laboratory of universities and scientific research institutes, aerospace and other important industry in the field of national economy, to more than 140 countries and regions specialized service.

专业致力于设计、开发、制造、销售食品机械设备、制药机械设备、化工机械设备、乳品饮料机配套设备及机电类产品： JM 胶体磨［ colloid mills 立式胶体磨、分体式胶体磨、卧式胶体磨、管线式胶体磨、全封闭式胶体磨、双冷却式胶体磨、分散均质胶体磨］、多功能研磨机、钛白粉研磨机，多功能研磨机组、湿式超微粒粉碎机、胶磨机、磨浆机、水粉混合器， THJ-L/F 系列混合机、 MC18混合机、打浆机、均质机、高剪切乳化均机、 ZB3A 系列胶体泵（转子泵、凸轮泵、三叶泵、蝶型泵、不锈钢容积泵、万用输送泵）、乳匀机、螺杆泵、钛白浆料输送泵、单螺杆浓浆泵、气动浆料泵（皮革喷浆泵、打浆泵浦、插桶泵、浓浆泵）、高剪切分散乳化泵、固液混合泵、钛白粉浆料泵、超高压均质泵、饮料泵、板式换热器、各种过滤设备、洗罐球、清洗旋转球、自动喷球及卫生级卡箍、活接头、阀门管道配件，产品服务领域覆盖了工业、农业、交通、能源、建筑、轻工、汽车、船舶、矿山、冶金、陶瓷、钛业、高校科研院所重点实验室、航空航天等国民经济重要产业领域，为全球140多个国家和地区提供专业化服务。

Clover pump, butterfly pump, stainless steel volume pump, 10000 pump with the delivery, milk uniform machines, screw, titanium dioxide slurry pumps, single - thick screw pump, pneumatic slurry pumps (leather spray pump, beating pump, insert barrel pumps, pump thick), high-shear dispersion emulsion pump, solid-liquid mixing pump, titanium dioxide slurry pump, high pressure are quality pumps, beverage pump, plate heat exchangers, a variety of filtration equipment, wash tank ball, cleaning spinning ball, automatic spray the ball and sanitation level clamp, live joints, valves, pipe fittings, products, services, covering industry, agriculture, transportation, energy, construction, light industry, automobile, shipbuilding, mining, metallurgy, ceramics, Titanium, Key Laboratory of universities and scientific research institutes, aerospace and other areas of national economy, an important industry for more than 140 countries and regions in the world to provide specialized service.

专业致力于设计、开发、制造、销售食品机械设备、制药机械设备、化工机械设备、乳品饮料机配套设备及机电类产品：JM胶体磨［colloid mills立式胶体磨、分体式胶体磨、卧式胶体磨、管线式胶体磨、全封闭式胶体磨、双冷却式胶体磨、分散均质胶体磨］、多功能研磨机、钛白粉研磨机，多功能研磨机组、湿式超微粒粉碎机、胶磨机、磨浆机、水粉混合器，THJ-L/F系列混合机、MC18混合机、打浆机、均质机、高剪切乳化均机、ZB3A系列胶体泵（转子泵、凸轮泵、三叶泵、蝶型泵、不锈钢容积泵、万用输送泵）、乳匀机、螺杆泵、钛白浆料输送泵、单螺杆浓浆泵、气动浆料泵（皮革喷浆泵、打浆泵浦、插桶泵、浓浆泵）、高剪切分散乳化泵、固液混合泵、钛白粉浆料泵、超高压均质泵、饮料泵、板式换热器、各种过滤设备、洗罐球、清洗旋转球、自动喷球及卫生级卡箍、活接头、阀门管道配件，产品服务领域覆盖了工业、农业、交通、能源、建筑、轻工、汽车、船舶、矿山、冶金、陶瓷、钛业、高校科研院所重点实验室、航空航天等国民经济重要产业领域，为全球140多个国家和地区提供专业化服务。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。