聚丙烯

PP-90M1 could be described as a more modern rival to the "Bizon" PP-19 submachine gun, made in Izhevsk.

聚丙烯- 90M1可以说是一个更现代的竞争对手来&比宗&聚丙烯- 19冲锋枪，在伊热夫斯克作出。

PP ; degradation ; additive ; process temperature ; molecular weight

聚丙烯；降解；添加剂；加工温度；分子量

Benda Plastic Manufacturer of Nanhai,Foshan City,Guangdong Province,established in 1990 and later moved to Nanhai district,is a large enterprise specializhing in manfacture of plastic tubes,rods,ball valves and pipings,Our main end products include PTFE,PVC,PP,PE,Nylon and ABS tubes,valves and pipings and rods in more than 1000 types.

广东省佛山市南海奔达塑胶制品厂，创办于1990年（即原佛山市奔达塑胶有限公司，现迁往南海区）是一家专业生产塑胶管、棒材、阀门、管件的大型企业。主要产品材料有聚四氟乙烯、聚氯乙烯、聚丙烯、聚乙烯、尼龙、ABS等，品种规格有塑胶管、棒材、阀门、管件等几大系列，一千多个品种。

B. Nonmetallic chemical equipment: Graphite modified polypropylene tube-arrayed heat converter, falling-film absorber, polypropylene vacuum metering tank, sucking and screening bucket, polypropylene water spraying vacuum pump, and the popypropylene, polythylene glycol tank.

B。非金属化工设备：石墨改性聚丙烯列管式换热器、降膜改收器、聚丙烯真空计量槽、抽滤桶、聚丙烯水喷射真空泵；聚丙烯、聚氯乙烯储槽。

Feature and use: It tests melt flow rate of high polymer under mucosity flow state.It was expressed by MFR or MVR.It suits for testing polycarbonate,FI plastic and nylon under higher melt temperature. It suits for testing polyethylene、polystyrene、polypropylene、ABS colophony and polyformaldehyde colophony under lower melt temperature.

特点及用途：熔体流动速率仪是用来测定各种高聚物在粘流状态时的熔体流动速率，在一定的温度和负荷下，熔体每10min通过标准口模的质量或体积，用MFR或MVR来表示，它既适用于熔融温度较高的聚碳酸脂、聚芳砜、氟塑料、尼龙等工程塑料，也适用于聚乙烯、聚苯乙烯、聚丙烯、ABS树脂、聚甲醛树脂等熔融温度较低的塑料测试，广泛应用于塑料生产、塑料制品、石油化工等行业及有关院校、科研单位和商检部门。

Polypropylene ;β form nucleator ; mechanical properties ; crystallinity ; structure shape

聚丙烯；β成核剂；力学性能；结晶性能；结构形态

These fabrics are made of such fibers as polypropylene, olefin, polyester, nylon, and acrylic.

这些织物使用的纤维有：聚丙烯、烯烃、涤纶、尼龙以及丙烯腈纤维。

These fabrics are made of such fibers as polypropylene , olefin, polyester, nylon, and acrylic.

这些织物使用的纤维有：聚丙烯、烯烃、涤纶、尼龙以及丙烯膊纤维。

Molecular dynamics simulations of NPT (constant pressure and constant temperature) dynamics are carried out to obtain specific volume as a function of temperature for polyethylene , polypropylene , poly-isobutylene , polyoxymethylene , and polydimethylsiloxane .

用NPT分子动力学模拟来获得聚乙烯、聚丙烯、聚异丁烯、聚甲醛和聚二甲基硅氧烷在不同温度下的特征体积。体积玻璃化转变温度通过对模拟得到的V-T作图的曲线的拐点决定。

Particle swarm optimization; sequential quadratic programming; model predictive control ; polypropylene

微粒群优化算法；序贯二次规划；模型预测控制；聚丙烯

Green function defined inphase space differs from one in coordinate space by its struc-ture which exhibits nonlocatity in coordinates and oscillatorybehavior with respect to momenta.

在相空间中定义的Green函数不同于通常坐标空间的Green函数，在结构上显示出对坐标的高度非局域性，而对动量则显示出振荡行为。

The upper front part of a saddle;a saddlebow.

前鞍桥马鞍前面的上部分；前鞍桥