| 词汇 | 乙烯 |
| 释义 | 乙烯 “ The modular steel furniture has cushions covered with a new generation of vinyl that is sanitary, breathable, and replaceable, ” she said. Ethylene can also be turned into alkanes, a class of hydrocarbons that are a component of gasoline. A full color image is printed and bonded creating a vinyl like exterior, soft scratch free gray felt inside. Both the vinyl industry and the American Chemistry Council conduct their own research on the materials they use and have their own trade associations. Fruits that release a lot of ethylene also include apricots, melons and tomatoes. Vodka stunts ethylene production, thereby helping flowers stay wilt- free longer. Utility knife: Great for cutting vinyl floor-ing, roofing shingles and building materials. Polypropylene is derived from propylene, which is in turn a by- product of a specific way of producing ethylene, a particularly useful hydrocarbon. Apples give off a natural gas called ethylene that can wilt, spot, or rot other food. Vegetables easily affected by ethylene include asparagus, broccoli, cabbage and cucumbers. If your focus is on the industry part and the limos, the advances, the lawyers, polycarbonate and vinyl, it’s horrible. For vinyl or wood floors, take a damp cloth with cleaner and spot wash getting rid of any particularly nasty spills or spots. A decade ago most ethylene in North America was made using naphtha, an oil derivative: it is this process that has propylene as its by- product. The vinyl- covered roof was originally designed to give the appearance of a convertible to models with a fixed roof, but eventually it evolved into a styling statement in its own right. In case of fire, vinyl building products begin to smolder long before they burn, releasing toxic fumes of hydrochloric acid, and thereby threatening building occupants and firefighters. To get a streamlined shape, Jeremijenko's design incorporates a skin of Ethylene tetrafluoroethylene ETFE stretched over curved ribs of steel. The trouble is that the ethane route to making ethylene produces virtually no propylene. I find inspiration in everyday objects like vinyl records, paperclips, and houseplants. Bananas produce ethylene, a gas that causes them to ripen, and separating the bunch can slow down that process. They release ethylene, which can cause other fruit around them to overripe. This type of vinyl is a poor substitute for leather. Plants all produce ethylene, a ripening gas that promotes maturation. At one of the facilities, demand for its ethylene and other chemicals sank from 100% of capacity to a mere 14% in just100 days in late 2008. The Westlake Chemical Corporation of Houston has lost sales to a Canadian vinyl pipe maker that is cutting back production because it can’t bid for some American jobs. Samples from Delphic spring water and rock from the intersecting faults revealed traces of several chemicals including ethylene. |
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