无进展

Lusters of mutations in CP region, a A-to-C mutation at necleotide 1726, a A-to-T mutation at nt 1727 and a C-to-G mutation at nt 1730, were observed in eight of eleven AsCs developing acute exacerbation, Moreover, the clustering mutations were found negative in the state of AsC and positive after acute exacerbation in a subject.

P聚集变异与AsC首次肝炎急性发作有关。 11例中，8例出现CP聚集变异。且 1例在AsC状态时无CP变异，肝炎发作时出现CP聚集变异。(3)CP聚集变异合并CP双变异的乙肝患者，表现为重型肝炎或迅速进展为肝硬化；HBVDNA高水平；HBeAg/抗HBe转换。

Today, however, many young people believe they have no chance of getting anywhere without a couple of stints of unpaid work behind them.

不过，现在许多年轻人相信，如果没有几段无薪工作的经历，他们就没有任何取得进展的机会。

Room temperature ionic liquids are the hot points of the current research fields of chemistry, chemical engineering and functional materials. Since 1998, the preparation and application of ionic liquids as environmentally benign reaction media and functional material have been carried out in Lanzhou Institute of Chemical Physics. The detailed research work, including the design and preparation of novel ionic liquids, ionic liquid as catalyst and reaction medium in sulfuric acid free Beckmann rearrangement,...

离子液体介质与材料研究是当前化学化工、功能材料的热点领域之一。1998年底以来，我们以发展离子液体清洁反应介质和软功能材料为研究内容，以实现新离子液体的设计与合成，离子液体中无硫酸Beckmann重排反应、非光气异氰酸酯合成、二氧化碳吸收与活化、反应-升华分离一体化，微孔硅胶限制纳米尺度离子液体材料的设计合成和应用及离子液体-电化学技术集成等为目标开展了一系列研究工作并取得良好进展。

Antibody-dependent enhancement of dengue virus infection and the unclear pathogenesis mechanism hamper the prevention and treatment of the disease. No efficient preventative and therapeutic drugs are available now, but much progress has been made in the last few years in the drug prevention and therapy of dengue fever.

抗体依赖的感染增强作用以及对病毒致病机制的尚未完全阐明均阻碍了登革热预防与治疗药物的发展应用，目前并无临床可用的特异性预防与治疗药物，但近年来，随着登革热发病机制以及治疗方法研究的不断深入，在登革热药物防治方面的研究有了新进展。

The application of solvent free polyurethane coating in the field of anticorrosion coating for ductile iron pipes and the progress of this painting technology were introduced in this paper.

介绍了国内外无溶剂聚氨酯涂料在球墨铸铁管防腐领域的应用情况以及此涂料涂装工艺的研究进展。

THE slow march towards legalising gay marriage was hobbled in November, when voters in California passed a proposition to ban it.

自从提案在加州被否决后，同性恋婚姻合法化的抗争在11月份无明显进展。

In the usual experience of archeologists, inventions flow from mainlands to islands, and small peripheral societies aren't supposed to contribute revolutionary advances to the rest of the world.

在考古学家的传统观念中，发明从大陆涌向列岛，而地处偏远的群落被认为对世界其他地方取得的革命性进展并无贡献。

The characteristics and trends in material research／development at present are discussed,focusing on the new progress in material research done by the Institute of Metal Research CAS.What were studied include ultra-high strength maraging steel,nickel-free austenite stainless steel for medical applications.coronary artery bracket for drug's slow release,antibiotic stainless steel and metal hydride for the use of air conditioner.

摘 要：首先分析了材料研究与发展中呈现出的新特点和新趋势，着重介绍了中国科学院金属研究所相关课题组近年来在超高强度马氏体时效钢、新型医用无镍奥氏体不锈钢、缓释药物冠动脉支架、抗菌不锈钢、金属氢化物空调等新材料及新材料技术方面的研究新进展。

RESULTS: There were no procedural complications with delivery of (90)Y- microS, and treatment was well tolerated by all patients. Increased post-treatment bilirubin levels were observed across all treatments in five patients, four of whom had CT or AFP evidence of intrahepatic disease progression.

结果：在注射(90)Y- microS的治疗过程中无并发症发生，所有病人都能耐受治疗。5名病人治疗后检测到胆红素水平增加，其中的4名经CT或检测甲胎蛋白证实存在肝內病灶的进展。

The progress in the study of cyanide-free copper electroplating on steel matrix is introduced according to different valences of copper in the deposition process.

按照沉积过程中铜的价态的不同对在钢铁基体上无氰碱性镀铜的研究进展进行了说明。

As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸，那乌黑、忧郁的眼睛，她便会相信，他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失