Chain extension and modification of polylactic acid homopolymer synthesized via direct melt copolycondensation by IPDI/ PEG IPDI和PEG对乳酸直接熔融缩聚物的扩链改性
It can promote agricultural value chain to decompose, which show as the chain extension of agricultural industry. 农业生产的迂回将促使农业产业价值链分解,从而表现为农业产业链延伸。
A study on coal-chemical-oil products value chain extension and cost management mode 煤炭化工制油价值链企业成本管理模式研究
Study on the Synthesis of Polylactic Acid through 2,4-Toluylene Diisocyanate Chain Extension 2,4-甲苯二异氰酸酯扩链合成聚乳酸的研究
Studies on the Synthesis of Polylactic Acids Drug Delivery Material through Diisocyanate Chain Extension. ⅱ. Solution Method 二异氰酸酯扩链合成聚乳酸类药物缓释材料的研究&Ⅱ.溶液法
The exhibition held in handan city and even the economic zone for the equipment manufacturing industry chain extension, improve equipment manufacture ability made significant contributions. 本次展会的举办为邯郸市乃至中原经济区装备制造产业链延伸,提高成套装备生产制造能力做出了重大贡献。
Moreover, we explored the three-carbon radical chain extension and ring expansion. 此外,初步探索了增加三个碳原子的自由基反应。
Synthesis of Epoxy-Type Chain Extender and the Chain Extension Effect on the Recycled PET 环氧类扩链剂的合成及对回收PET的扩链效果
Preparation of high-relative molecular mass polylactic acid by TDI chain extension TDI扩链法制备高相对分子质量聚乳酸
Research on the industrial chain extension of Heilongjiang coal mining area 黑龙江煤炭矿区产业链延伸策略研究
Polymeric thickener for latex can be prepared from waste polyacrylonitrile ( PAN) via alkaline hydrolysis and chain extension. 以废腈纶为原料,经碱法水解反应和扩链反应制取乳液用高分子增稠剂。
Study on chain extension for PET PET扩链反应研究
Study on pet/ pen chain extension reactive blending ⅰ. effect of mixing conditions on transesterification and chain structure PET/PEN扩链反应共混的研究Ⅰ.共混条件对酯交换及链结构的影响
Kinetic model of chain extension reaction of nylon 1010 and analysis of experimental results 尼龙1010扩链反应的动力学模型和分析
The chain extension reaction, reactivity and properties of extended polyester were discussed. 讨论了扩链反应、反应特性和扩链产物的性能,并简要介绍了国内研究概况。
The influence of chain extension coefficient on properties of PUU elastomers modified by isocyanurate was studied. 考察了扩链系数对异氰脲酸酯改性的聚氨酯脲弹性体(PUU)性能的影响,通过改变扩链系数探讨PUU的力学性能和耐溶剂性能的变化规律。
On the base of theory analysis, studies and analyzes the from-product-to-service tactic of the value chain extension of an internal manufacturing enterprise& GT Company, and brings forward relevant countermeasure for development. 在理论分析的基础上,对一家国内制造企业――GT公司的由产品到服务的价值链延伸策略进行分析研究,提出了发展对策。
The Study on the Chain Extension of PET during Reactive Extrusion and the Synthesis of Chain Extender PET的反应挤出扩链及扩链剂的合成研究
The influence of melt polycondensation and solvent refluxing methods of lactide polymerization and chain extension agents on relative molecular weight of polylactide was studied. 研究了乳酸熔融缩聚和溶剂回流脱水缩聚两种聚合方法及几种扩链剂对乳酸聚合物相对分子质量的影响。
By the chain extension polymerization, block copolymer with controlled molecular weight has been synthesized. 通过扩链聚合反应,制备分子量可控的嵌段聚合物。
The design of SAP-AOP framework is based on SAP enhancement framework, combined with the hierarchy structure of SAP application module and the actual development of the industrial chain extension as reference. SAP-AOP体系以SAP增强框架体系为基础、结合SAP应用模块体系的层次结构和SAP产业链的扩展开发实际作为参考而设计。
Meanwhile, with fluorine boron salt as substrate in the Suzuki reaction, we found a novel carbon chain extension method. 同时,以氟硼盐作为Suzuki反应底物,我们还找到了一种较为新颖的碳链延长方法。
Through the definition of chemical product chain extension, the paper studied the extension mechanism of chemical product chain. 通过定义化工产品链延伸,研究了化工产品链延伸机理。
The paper constructs evaluation index system, which includes technology chain development, industry chain extension, the economic efficiency of enterprises and managing collaborative degree and so on. 构建了基于技术链发展、产业链延伸、企业经济效益和管理协同度四个维度的双链整合效果评价指标体系。
Homemade play value chain extension of the premise from the originality of the script, the drama of influence and star appeal. 自制剧价值链延伸的前提来自剧本的独创性、剧集的影响力和明星的号召力。自制剧要实现价值最大化,需要对价值链进行有效整合,包括纵向整合和横向整合。
At the same time, JIT production and supply models, car purchasing and production of globalization, such as supply chain extension, which will result in a number of incidents automotive supply chain risk in the future. 同时,JIT生产和供应模式、汽车采购、生产、销售的全球化、供应链延长等,这一些事件的发生都会导致汽车制造企业供应链风险的发生。
Based on the analysis of the Northeast Coal Industrial Park selected, the the feedback-type process of "resources-products-renewable resources" is formed, building from the coal industry to the cycle of chain extension is planed. 在对选定的东北煤炭工业园区进行了现状分析的基础上,形成资源产品再生资源的回馈式流程,规划构建煤炭开发到产业延伸的循环链。
Then a study on chain extension/ branching modification of R-PET under the best processing parameters was carried out. 并在最佳工艺条件下,对R-PET进行扩链/支化改性研究。
The first one is the value chain extension strategy. 迪斯尼首先运用的是价值链的延伸战略。
Entering into the 21st century, along with the development of information technology, services industry chain extension and the need of specialization, the multinational service investment began to increase quickly. There has emerged services transfer tide, taking service outsourcing as the main characteristic. 进入21世纪以来,随着信息技术的发展以及服务业产业链延伸和专业化分工的需要,服务业跨国投资开始迅速增加,全球已出现了以服务外包为主要特征的服务业转移浪潮。