n型催化剂 n-type catalyst(5) n catalyst(5) catalyst-n(2)   n-type catalyst      How to Control the Isotacticity of Polypropylene Products when Using N-type Catalyst on the Intermittent Installation      N型催化剂控制间歇式生产的聚丙烯等规度试验 短句来源      How to control the isotacticity of polypropylene products when using N-type catalyst on the intermittent installation      N型催化剂在间歇式聚丙烯装置上应用时聚丙烯产品等规度的控制 短句来源      Industrial application of N-type catalyst in continuous PP unit      N型催化剂在连续法PP装置的工业应用 短句来源      The aims are to dissertate the methods of how to control the degree of isotacticity when using N -type catalyst to manufacture the polypropylene, as well as influence factors. The research results are the scale of isotacticity is wider when using N--type catalyst than using CS-lone,and more easy to adjust. It can satisfied with manufacturing various brands and standards products, is suitable for manufacturing high and moderate quality polyprpylene.      论述了使用N型催化剂生产聚丙烯时等规度的控制方法及影响因素,并与CS-1型催化剂进行了比较,结果显示N型催化剂生产聚丙烯等规度范围宽,易于调节,能满足多种品种和牌号,适用于中高档聚丙烯的生产使用。 短句来源      N-type catalyst was successfully applied in the tri-reactor continuous process (SPG) polypropylene (PP) plant,involving liquid-phase bulk polymerization in vertical reactor and gas-phase bulk polymerization in horizontal reactor. The data indicates that the catalyst completely suitable for SPG process PP plant.      N型催化剂在立式釜液相本体与卧式釜气相本体组合的三釜工艺(SPG)连续法聚丙烯(PP)装置的工业应用数据表明,该催化剂完全适应SPG工艺PP装置。 短句来源   n catalyst      Physical and mechanical properties of PP synthesized with N catalyst      N型催化剂合成聚丙烯的物理性能与机械性能 短句来源      Results showed that the yield of undecenoic acid was up to 24.6% and that of heptaldehyde to 18.3% in presence of N catalyst and at 400°C and 23.3 kPa pressure, 700 g/h flow rate.      结果表明 :使用N型催化剂 ,在温度 40 0°C,压力 2 3.3k Pa,物料流量 70 0 g/ h的条件下 ,十一烯酸收率达 2 4 .6% ,庚醛 1 8.3%。 短句来源      The development and application of domestic PP catalysts is introduced, focusing on development trends, characteristics and application fields of N catalyst in the recent years. Suggestions for the improvement of existing PP facilities are also raised.      介绍了我国聚丙烯催化剂的开发应用情况，着重阐述了N 型催化剂近年来的发展概况、特性及应用情况，对现有聚丙烯装置的改进提出了建议。 短句来源      This paper analyzed the physical and mechanical properties of propylene homopolymers synthesized with N catalyst in different commercial plants. The correlation between physical properties and molecular conformation of the propylene homopolymer prepared with high efficiency N catalyst was discussed.      对采用N型催化剂在不同工业装置上进行丙烯均聚合的试样做物理性能及机械性能分析,讨论了N型催化剂合成聚丙烯的物理性能与其分子构型的关联。 短句来源      The results indicate that the propylene homopolymer produced with N catalyst possesses high stereoregularity; this character ensures the resin to be suitable for manufacturing fiber and make the resin be an appropriate base material for physical and chemical modification of polyolefin.      结果表明,采用N型催化剂生产的聚丙烯具有较好的立构规整性,这保证了树脂更适于制作纤维制品,也为聚烯烃的物理改性与化学改性提供了适宜的基材。 短句来源   catalyst-n      Commercial Catalyst-N Polypropylene Isotacticity Adjustment      聚丙烯N型催化剂等规度调整的工业试验 短句来源      Based on the characteristics of the catalyst-N,a commercial experiment is carried out on catalyst-Ns performance of isotacticity adjustment.      针对聚丙烯N型催化剂的特性，对聚丙烯N型催化剂的等规度调整性能进行了工业试验。 短句来源   “n型催化剂”译为未确定词的双语例句      The aluminoxanes and the normal activators, such as triethylaluminum (TEA), triisobutylaluminum (TBA) and MAO were used as cocatalyst for MgCl2-supported Ziegler-Natta catalyst including N and DQ catalyst in propylene polymerization at the temperatures ranging from 70 to 100℃.      将他们和常用的助催化剂,如三乙基铝(TEA)、三异丁基铝(TBA)和甲基铝氧烷(MAO),一起用于Ziegler-Natta催化剂,如N型催化剂和DQ催化剂,催化丙烯的高温聚合反应(70-100℃)。 短句来源      The effects of different mixtures of cocatalysts on the active sites distribution in propylene polymerization were investigated.      研究了混合助催化剂与DQ-1型和N型催化剂分别配合催化丙烯均聚的聚合物分子量分布和活性中心分布。 短句来源      Four kinds of polypropylenes (PP) prepared with different catalysts (NPP, GPP, TPP and LPP) were compared in their powder stability, melt processing stability, thermal aging stability and radiation stability. The experimental results verified that the stability of these PP resins was quite different from each other, and the PP made with NPP was the best one among them.      比较了4种用不同催化剂制备的聚丙烯(PP)树脂在粉料稳定性、熔融加工稳定性、热老化稳定性和辐照稳定性等方面的差异,发现4种PP树脂稳定性的差异很大,其中,用N型催化剂制备的PP稳定性最好。 短句来源      The industrial application of N-type and CS-Ⅱtype catalysts in a 70 kt/a polypropylene plant was introduced. The factors influenced the product quality in appearance,composition and acivity of both catalysts were presented. The characteristics and the difference between N-type and CS-Ⅱ type catalysts in industrial operation and some problems were analyzed and the improvement suggestion was given.      介绍了N型催化剂和CS -II型催化剂在荆门石化总厂 7万t/aPP装置的使用情况 ,分析了 2种催化剂的外观、组成、活性等对PP产品质量的影响及其在生产操作中的特点、操作条件的差异和存在的问题 ,同时提出了一些改进建议 短句来源      The application of N - type and CS-Ⅱ type catalyst in the 70 000t/a polypropylene plant of SINOPEC Jingmen petrochemical works was introduced in detail. The difference between two catalysts, the characteristics in practical operation and some problems were analyzed in detail. Some suggestions for improvement were also given.      介绍了N型催化剂和CS-Ⅱ型催化剂在荆门石化总厂Spheripol工艺70kt/a聚丙烯装置上的使用情况,并分析了两种催化剂的差异、操作特点及存在的问题,同时提出了改进性的建议。 短句来源 更多        查询“n型催化剂”译词为用户自定义的双语例句     我想查看译文中含有：的双语例句 为了更好的帮助您理解掌握查询词或其译词在地道英语中的实际用法，我们为您准备了出自英文原文的大量英语例句，供您参考。   n catalyst Evidence has been given to suggest that this surface superoxide might be responsible for CO oxidation over Mo2N catalyst. 例句来源       Study of MO2N catalyst activity and stability in CO oxidation 例句来源       DTA experiments in the air flow and O2 temperature-programmed pulse reaction (TPPR) showed that the optimal oxidation temperature for the Mo2N catalyst was under 450°C because of its instability at high temperature in the presence of O2. 例句来源       As for the Co3Mo3N catalyst, despite partial decomposition into Mo2N and Co, it remained resistant to oxidation. 例句来源       α-Oxide wood derivatives were synthesized by O-alkylation of wood with a bifunctional epoxide oligomer in the presence of Et3N catalyst. 例句来源       更多                    The process and results             详述了间歇小本体聚丙烯专用Ｎ型高效催化剂的工业应用情况，并与ＣＳ－１型、Ｎ型高效催化剂进行了比较，结果显示，专用Ｎ型催化剂活性高，可达７０ｋｇ／ｇ（每克催化剂生产的聚丙烯量），其对丙烯中杂质的适应能力强，该催化剂的温控操作性最佳；利用专用Ｎ型催化剂生产的聚丙烯等规度适中，可以满足用户的要求，同时其主要原材料消耗低于使用ＣＳ－１型及Ｎ型催化剂的原料消耗 文摘来源          Based on the characteristics of the catalyst-N,a commercial experiment is carried out on catalyst-Ns performance of isotacticity adjustment.During the test period,a smooth operation prevailed,turning out qualified product biaxial-oriented polypropylene product with an isotacticity of 94%～97%.             针对聚丙烯Ｎ型催化剂的特性，对聚丙烯Ｎ型催化剂的等规度调整性能进行了工业试验。试验期间生产操作平稳，产品质量合格，生产等规度为９４％～９７％的ＪＦ３００产品，其ｎ（Ｓｉ）／ｎ（Ｔｉ）为０３～０８。 文摘来源          Compared with similar catalysts in the world, N catalyst has special characteristics in reactivity, orientation and reactivity life. The aging resistance, thermal stability and radiation resistance of products polymerized with the catalyst are all better than those polymerized with other similar catalysts. The development and application of domestic PP catalysts is introduced, focusing on development trends, characteristics and application fields of N catalyst in the recent years. Suggestions for the impr...             与世界同类催化剂相比，Ｎ 型催化剂在活性、定向性、活性寿命等方面有独到的特性，其聚合产品的耐老化性、热稳定性和耐辐射性等方面都优于其他同类催化剂。介绍了我国聚丙烯催化剂的开发应用情况，着重阐述了Ｎ 型催化剂近年来的发展概况、特性及应用情况，对现有聚丙烯装置的改进提出了建议。 文摘来源   << 更多相关文摘         相关查询: n型 n型gap n型电导 n型si n连接型 n型保护区 基本型n n-型 n型半导体 n型方钴矿 n型硅 n型结构  对查询结果不满意

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