合成纤维的一种

Aramid fiber-wide known as "poly p-phenylene terephthalamide of p-phenylenediamine", the English called Aramid fiber is a new type of high-tech synthetic fiber, with ultra-high strength, high modulus and high temperature, acid-alkali resistance, light weight excellent performance, the strength of steel wire 5-6 times the modulus for the steel wire or glass fiber 2-3 times, toughness is the wire 2 times the weight of the public for the steel wire 1 / 5 of about 560 degrees in the high temperature does not decompose, does not melt.

芳纶纤维全称为"聚对苯二甲酰对苯二胺"，英文名为Aramid fiber 是一种新型高科技合成纤维，具有超高强度、高模量和耐高温、耐酸耐碱、重量轻等优良性能，其强度钢丝的5-6倍，模量为钢丝或玻璃纤维的2-3倍，韧性是钢丝的2倍，而重量公为钢丝的1/5左右，在560度的高温下，不分解，不融化。

Objective: Acrylonitrileis a hypertoxic nitrile of colorless and bitter apricot seed. It is an important material used for synthetic resin, synthetic fiber, synthetic rubber, et al, and its manufactures is widely used in daily life and production process. Because of computers, television, automobiles and other related industries on the demand for ACN, the production and demands of ACN is increasing year by year, and the occupational exposure is also a rapidly expanding population.

目的：丙烯腈(acrylonitrile，ACN)，是一种无色、具苦杏仁味的高毒类腈化物，是合成树脂、合成纤维、合成橡胶等高分子材料生产中的重要原料，其制成品在日常生活和生产过程中使用广泛；电脑、电视、汽车等相关行业对ACN的需求量不断增加，近年来的生产量和需求量逐年上升，职业接触人群也迅速扩大。

The product is a fast working, effective, gentle carpet cleaner.

本产品是一种快速高效、性质温和的地毯清洁剂，通过吸收地毯上的污渍和尘埃以达到清洁地毯的目的，适用于尼龙、合成纤维、棉质和羊毛地毯等各种质地的商业用地毯。

The tire is prepared by using a natural rubber instead of a synthetic rubber; an inorganic filler and/or a biofiller instead of carbon black; vegetable oil instead of petroleum oil; and natural fiber instead of synthetic fiber so that the tire comprises a non-petroleum raw material in an amount of at least 75 % by weight based on the total weight of the tire.

本发明提供一种利于环境的轮胎，其中，原材料是从非石油资源中获得的，替代现有轮胎中使用的从石油资源中获得的原材料的部分或全部，用天然橡胶替代合成橡胶、无机填料和/或生物填料替代炭黑、植物油脂替代石油类油、天然纤维替代合成纤维等，非石油资源的原材料构成轮胎总重量的75重量％以上。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。