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Maleic Anhydride is important organic raw material and the third biggest acid anhydride next to benzene anhydride and acid anhydride. In recent years, Maleic Anhydride is esterified and hydrogenised under pressure to make 1,4- butanediol butylene glycol, and it is also hydrogenised to tetrahydrofuran, which enables Maleic Anhydride to become the raw material for producing high-value-added products and to be more widely applied.

顺酐是重要的基本有机原料，也是世界上仅次于酸酐和苯酐的第三大酸酐，近年来，顺酐脂化低压加氢制1.4-丁二醇和顺酐加氢制四氢呋喃技术的开发成功，是顺酐成为生产高附加值产品的原料，应用领域有了更进一步的拓展。

In South Chicago real estate you'll find Gresham: 2-4 bedroom single family homes in established neighborhoods, Hamilton Park: Lots of brand new duplexes, a lot of raw land and a few very large old mansions, Marquette Park: Duplexes, two story older homes and single family homes with 2-4 bedrooms, and Calumet Heights: Some duplexes, small single family homes and some raw land.

在南芝加哥的房地产，你会发现格雷沙姆： 2-4卧室单一家庭住宅，在既定的街道，汉密尔顿公园：大量的全新的双连屋，有很多未开发的土地和几个非常大的旧大厦，马凯特公园：双连屋，两故事老院及单亲家庭，与2-4间卧室，并calumet高地：有些双连屋，小单户家庭住房和一些未开发的土地。

The results were asfollows:When the ratio of HY zeolite to raw material was 2.5g/100mL and thereaction was heated to 140℃for 4h,the effect of isomerization of turpentinewas better, the conversion rate of pinene was 97.02%,and the selectivity ofcamphene was 42.88%.When the ratio of HZSM-5 zeolite to raw material was4.5g/100mL and the reaction was heated to 140℃for 4h,the effect ofisomerization of turpentine was better, the conversion rate of pinene was86.24%,and the selectivity of camphene was 46.95%.

结(来源：A45BC论ba文网www.abclunwen.com)果表明：HY型沸石分子筛催化，当其用量为2.5g／100mL原料，反应在140℃下维持4h时，松节油的异构化效果较好，蒎烯转化率达97.02％，莰烯选择性为42.88％；而HZSM-5型沸石分子筛催化，当其用量为4.5 g／100mL原料，反应在140℃下维持4h时，松节油的异构化效果较好，蒎烯转化率达86.24％，莰烯选择性为46.95％。

The results showed that temperature rise would inhibit their esterification capacity, ethyl caproate-producing capability of raw zymin of 1# high-temperature monascus improved with the prolong of the esterification time when ethanol concentration was 4 %vol and caproic acid content was 4 mL, and when ethanol concentration and caproic acid content was within proper range, caproic acid content had more effects on the formation of ethyl caproate by raw zymin than ethanol concentration.

结果表明，温度相对升高对其酯化力的形成有一定的抑制作用；高温型红曲1#酯化菌株粗酶制剂的酯化力在乙醇浓度为4 %vol、己酸含量为4 mL时，产生己酸乙酯的能力随酯化时间的延长而增强；在适宜的乙醇浓度和己酸含量范围内，己酸含量对酯化酶粗酶制剂己酸乙酯生成影响比乙醇含量的影响大。

In China we never ate celery raw, or any other kind of vegetable raw.

在中国，我们从不生吃芹菜，也不生吃其他任何蔬菜。

The raw materials are roughly the same,including wood pulp or good cotton as raw materials and chloromethane and epoxgpropane.

原料也基本相同，主要原料为木浆或精制棉，醚化剂为氯甲烷和环氧丙烷等。

The preparing process is described as follows:(1) the raw materials are dispersed in the solvent;(2) the solution is arranged between two electrodes;(3) alternating current with a voltage of 5 V-100V and a frequency of 10Hz-1000Hz is applied to both ends of the electrodes for 5minutes to one hour;(4) the product obtained after being washed with deionized water and pump filtrated or after centrifugal treatment is dried by being heated to 40 centigrade to 100 centigrade to get the nanometer grain, wherein the raw materials in the first step are micrometer materials or nanometer materials such as sulphide, selenide, telluride and oxide; without special requirement on shape or appearance, the materials can be in the shape of a rod, a fork, a star, a block or a sphere; the solvent in the first step can be water, ethanol, acetone, benzene or tetra chloromethane.

步骤为：1将原料分散于溶剂中；2使制成的溶液处于两电极之间；3在电极两端的加交流电，电压为5V-100V，频率为10Hz-1000Hz，时间为5min-1h；将产物用去离子水洗涤、抽滤，或进行离心处理后；4将所得到产物加热到40～100℃进行干燥，得到纳米颗粒。步骤1中原料为硫化物、硒化物、碲化物、氧化物等微米或纳米材料，其形貌不限，可以为棒状、枝状、星状、块状、球形等多种形状。步骤1中的溶剂可以为水、乙醇、丙酮、苯或四氯化碳。

Keep raw meat in a sealed container or bottom shelf of the fridge to stop it dripping onto cooked meat,and always use a different chopping board and utensils for preparing raw and cooked meat.

保持生肉，在一个密封的容器或底部的大陆架冰箱，以阻止它滴水上的熟肉，始终使用一个不同的一块砧板及器皿准备生肉及熟肉。

Hope a lot of companies involved in international cooperation in close harmony with the domestic plastic raw materials manufacturers, suppliers, as well as shipping, air, container, logistics and transport relations, Asahi Kasei, Toray, Japan, the United States GE, Germany Bayer , United States DuPont, Taiwan Chi Mei, Taiwan's petrochemical chemical Canton, LG Chemical, such as plastic raw materials manufacturers, such as the mainland, senior brand, all set up with our long-term friendly cooperative partnership, holds "integrity, win-win" business philosophy, alternatus comprehensive image of the company for the international publicity.

天牛公司涉及到很多的国际合作，亲密融洽了与国内外塑胶原料制造商、供应商以及海运、空运、集装箱、物流运输之间的关系，日本旭化成、日本东丽、美国 GE、德国拜耳、美国杜邦、台湾奇美、台湾化学广石化、LG 化学等塑胶原料制造商等大陆资深品牌，都与我们建立了长期友好的合作伙伴关系，秉着"诚信、双赢"的企业理念，天牛公司面向国际全面形象宣传。

This stage takes raw materials from the earth and transforms them, with the addition of energy, into polymers. The raw polymer is then shipped in bulk to the compounder which mixes it with additives in order to bestow the polymer with the required properties for its future application.

简而言之，这个阶段就是利用能量把氧化原材料转换成为聚合物，接着将未经加工的聚合物成批传送到混合器，并将其与添加剂混合，根据该模具未来的应用为其提供相应的性能。

Nowadays, most of research are to build a transmutative Petri Nets through adding controlling place sets, controlling arc sets and controlling policy to the basic Petri Nets, while the Controlled Petri Nets could be used to argue many controlling theory problems conveniently and to induce many logically and physically supervisory and solve the Event Feedback Controlling Problems and State Feedback Controlling Problem in DEDS supervisory theory.

目前大多数的研究表现为在变形后的受控Petri网基础上，利用各种方法求得各种逻辑型、结构型控制器，解决DEDS监控理论中的事件反馈控制问题与状态反馈控制问题。

On one hand, there are discussions with the works council and union about extension of short time working up to the end of September.

一方面，有讨论，工程理事会和联盟关于延长工作时间短至9月底。