石油化学

Sasol, established in 1950 in South Africa, is one of biggest producer of synthetic fuels and the largest petrochemicals producer in the world. The business of Sasol covers 9 branches including mining, synfuels, chemicals, oil, technology, petroleum and financing etc.

沙索集团是世界上最大的合成燃料和石化产品生产商之一，成立于1950年，总部设于南非约翰内斯堡，下设9个主要大公司，业务领域涉及矿产、合成燃料、化学、油品、气体、科技、石油和金融。

Sasol, established in 1950 in South Africa, is one of biggest producer of synthetic fuels and the largest petrochemicals producer in the world. The business of Sasol covers 9 branches including mining, synfuels, chemicals, oil, technology, petroleum and financing etc, of which the headquarter sets in Johannesburg S.A.

沙索集团是世界上最大的合成燃料和石化产品生产商之一，成立于1950年，总部设于南非约翰内斯堡，下设9个主要大公司，业务领域涉及矿产、合成燃料、化学、油品、气体、科技、石油和金融。

Headquarters in New York, American Mayco Oil Co., Ltd is a professional in the United States of oil, natural gas, asphalt, chemical integrated energy companies, to research and develop high-tech content Transportation and industrial equipment is known for lubricants.

总部位于美国纽约的American Mayco Oil Co。，Ltd是美国一家专业从事石油、天然气、沥青、化学的综合性能源公司，以研制、开发高技术含量的运输及工业设备专用润滑剂而著称。

Examples of open-shop problem include health examination and the operation of car maintenance. Scheduling problem with no-wait constraints occur in many industries. For instance, in hot metal rolling industries, where the heated metal has to undergo a series of operations at continuously high temperatures before it is cooled in order to prevent defects.

生产过程中的排序往往受到产品生产的特性或者生产技术的限制，所以会产生不同的约束情况，例如：无等待时间是化学、石油工业和冶金工业的特色；阻塞指的是缓存能力受到限制或者没有缓存的情况，最常见的是利用机器人进行夹取工件的作业。

We know that surface use of dispersants decreases the environmental risk to shorelines and organisms at the surface.

她称政府官员正密切监控分散剂的使用，这是一种分解泄漏石油的化学产品。

Widely applies in the city life sewage, the textile printing, the galvanization, the papermaking, the leather, brews, the food processing, the coal washing, the petroleum chemical industry, chemistry, the metallurgy, the drugs manufacture, ceramic, the cement plant sludge, the mine sludge, the chemical fiber sludge, the refinery sludge, the iron and steel plant sludge, the carbide slag, the electronic sewage, the line lumber yard, the brewery sludge, the kleit, to settle bran, wine less, profession and so on textile active sludge sewage treatment sludge dewatering processing, is also suitable for the industrial production liquid-solid separation or the liquid leaching working procedure.

广泛应用于城市生活污水、纺织印染、电镀、造纸、皮革、酿造、食品加工、洗煤、石油化工、化学、冶金、制药、陶瓷、水泥厂污泥、矿山污泥、化纤污泥、炼油污泥、钢铁厂污泥、电石渣、电子污水、线路板厂、啤酒厂污泥、高岭土、淀粉渣、酒渣、纺织活性污泥等行业的废水处理污泥脱水处理，也适用于工业生产的固液分离或液体浸出工序。

The contents of carbonaceous compounds, such as soluble saccharide, petroleum ether extract and volatile acid in mellow leaves were higher than in overripe leaves, but nitrous compounds, such as nicotine, total nitrogen, volatile alkali, in mellow leaves were lower than in overripe leaves.

过熟烤烟烟叶除葡萄糖含量变化不明显外，果糖、麦芽糖、蔗糖等水溶性糖和石油醚提取物、总挥发酸及钾含量均大幅度降低；而氮、烟碱、挥发碱和挥发碱／烟碱等重要化学指标明显升高。

Its exports include petroleum exploration equipment and instrument, drilling equipment and tools, work-over and production equipment and tools, oil country tubular goods, drill pipe, tubing and casing, oilfield construction equipment, oilfield chemicals, refining and chemical products and equipment as well as related engineering services.

出口产品主要包括石油勘探、钻井、采油、修井装备及工具，油田地面建设装备，油田化学剂和炼油化工产品及装备，以及相关的工程技术服务项目，年出口额已超过3亿美元。2001年公司机电产品出口创汇额在中央管理的外贸企业中排名第一。

The pump mailly used in chemisty and oil industry,refinery,paper making and refine sugar trades ect.

该型泵用于化学和石油化学工业、炼油厂、造纸工业及制糖业等。

PTFE referred to F4, because of its excellent dielectric properties and corrosion-resistant chemical (high temperature of the molten fluoride elements and the state of alkali metal), non-absorbent, non-stick, not conductive, low coefficient of friction and not Ageing properties, and is widely used in chemical, petroleum, textile pharmaceutical, metallurgy, machinery, electronics, electrical appliances, electricity, food and aviation, military and scientific research in all walks of life, I plant the development of metal bellows, compensation , PTFE bellows F4 tetrafluoroethane compensator, F4 metal composite compensation, anti-corrosion steel liner tetrafluoroethane pipe, steel-lined tetrafluoroethane three links, elbow, Stone, the reaction tower, tower chloride, lining tetrafluoroethane valve Doors, tetrafluoroethane pads and steel-lined polypropylene pipes and accessories, and earnestly solve the user in the production process by the various anti-corrosion problems.

聚四氟乙烯简称F4，由于其优异的介电性能与耐化学腐蚀性(高温下的氟元素和熔融状态下的碱金属外)，不吸水、不粘、不导电、摩擦系数低及不老化等性能，而被广泛应用于化工、石油、轻纺制药、冶金、机械、电子、电器、电力、食品及航空、军用与科研等各行各业中，我厂开发的金属波纹管、补偿器，四氟波纹管F4四氟补偿器、F4金属复合补偿器，钢衬四氟防腐管件，钢衬四氟三通、弯头、四通、反应塔、氯化塔、衬四氟阀门，四氟垫片以及钢衬聚丙稀管道及配件，切实解决了用户在生产过程中所遇到的各种防腐问题。

They weren't aggressive, but I yelled and threw a rock in their direction to get them off the trail and away from me, just in case.

他们没有侵略性，但我大喊，并在他们的方向扔石头让他们过的线索，远离我，以防万一。

In slot 2 in your bag put wrapping paper, quantity does not matter in this case.

在你的书包里槽2把包装纸、数量无关紧要。