Microwave-assisted synthesis of 14-aryl-14H-dibenzo[a ,j] xanthene;
14-芳基-14H-二苯并[a,j]占吨衍生物的合成
Polymer-supported Sulphonic Acid Catalyzed One-pot Synthesis of 14-aryl-14H-dibenzo[a,j] xanthenes;
聚合物负载磺酸催化合成苯并占吨
The molecule has a Y style structure which is composed of two parts of butterfly-like xanthene and almost planar isobenzofuran.
合成了螺［异苯并呋喃－１（３Ｈ），９＇－（９Ｈ）－２＇－Ｎ，Ｎ－二苄胺基－６＇－二乙胺基占吨］－酮－３，Ｃ＿（３７）Ｈ＿（３４）Ｎ＿２Ｏ＿３，单斜晶系，空间群Ｃｃ，晶体学参数为ａ＝１６。
Synthesis of Xanthone Derivatives and Its Interaction with G-quadruplex
口占吨酮衍生物的合成及与G-四链体作用的研究
Improved synthesis of 2-trifluoromethyl-9-thioxanthone
2-三氟甲基噻吨-9-酮合成工艺的改进
Its annual export reaches between 300,000 and 500,000 tons, accounting for half of the world's trade volume.
石蜡年出口量为30～50万吨,占世界贸易量的50％。
Lanlian 30,000 Tons/y MEK Plant Design Perfection and Trial Production;
兰炼3万吨/年甲乙酮装置设计完善及试生产
Synthesis and in Vitro Antioxidant Capacities Assay of Xanthonic Derivatives
呫吨酮类衍生物的合成与体外抗氧化活性研究
Synthesis and Bioactivity of Furoxanthone Derivatives
呋喃并呫吨酮衍生物的合成与生物活性研究
SYNTHESIS AND CHARACTERIZATION OF A SOLUBLE XANTHENE-CONTAINING POLY(ETHER ETHER KETONE KETONE)
一种可溶性含呫吨结构的聚醚醚酮酮的合成与表征
Urban centralized space heating area will increase 55 million square meters, and total will reach 0.1 billion square meters;
增加替煤液化气和轻柴油115万吨,折合164万吨标煤,约占终端能源结构的4.0%;
Pond fish culture yielded 2550 tonnes, or 6 per cent, of freshwater fish for local consumption.
年内，塘鱼总产量为2550公吨，占本地淡水鱼消耗量的6%。
During the year, pond fish culture yielded 4 500 tonnes, or 10 per cent, of freshwater fish for local consumption.
年内，塘鱼总产量为4500公吨，占本地淡水鱼消耗量的一成。
1999:1.03 billion tons of coal was unearthed in China, a third of the world production.
1999年中国开采出10．3亿吨煤,占世界总产量的三分之一。
by 2010 the population will approach 1.4 billion and the total demand for grain will be 550 million tons, based on 390 kg per person;
2010年人口接近14亿，按人均占有390公斤计算，总需求量达到5.5亿吨；
Areas hit by soil erosion has reached 360 million hectares, making up 38.2 percent of the country's total land area and registering 5 billion tons of soil losses annually.
水土流失面积达3.6亿公顷，占国土面积的38.2%，每年流失土壤50亿吨。
Study on DNA-binding Modes and Ion Recognition Properties of Xanthone Derivatives Complexes;
吨酮衍生物金属配合物与DNA作用方式和对离子识别特性的研究
Synthesis, Characterization and DNA-binding Studies of Complexes with Xanthone Derivatives
吨酮衍生物金属配合物的合成、表征以及与DNA相互作用的研究
The Study of Project Management on 600 Kt/a Retone-Benzene Dewaxing Plant Revamped Engineering in Fushun Refinery No.2
抚顺石油二厂60万吨/年酮苯脱蜡装置改造工程项目管理研究
Study on the Preparation of 10-(4-biphenyl)-2-isopropyithioxanthone Sulfonium Hexafluorophosphate Salt
10-(4-联苯基)-2-异丙基噻吨酮硫鎓六氟磷酸的合成与表征
Combination therapy of flupenthixol,domperidone and hydrotalcite for chronic gastritis
多潘立酮、铝碳酸镁联用氟哌噻吨治疗慢性胃炎疗效观察