改良

There are more than 20 key genes been cloned, which are possible to genetically manipulate carotenoid biosynthesis pathway in plants.

目前已成功克隆了类胡萝卜素生物合成途径中的20多种关键酶基因，为改良作物中的类胡萝卜素含量奠定了基础。

A kind of reformed Carrousel 2000 A2C which was used to treat small town's municipal wastewater was studied in this thesis. It also introduces the designing parameters, sizes of the construction, pattern of operation and management and effectiveness of this technology.

本文以武清区第二污水处理厂为例，研究了改良Carrousel 2000 A2C工艺在处理小城镇城市污水的应用情况，并介绍了该工艺的设计参数、构筑物尺寸、运行管理模式以及工艺的应用效果。

In order to enhance the bio-nitrogen and phosphorus removal of the modified Carrousel oxidation ditch process,the treatment performance,the principle of bio-nitrogen and bio-phosphorus removal have been discussed,at the same time the influencing factors to the effluent quality have been analyzed from the operation practice for 3 years.

为了提高改良型Carrousel氧化沟工艺污水处理厂的脱氮除磷效果，结合某污水处理厂3年的运行实践，讨论了该工艺的处理效果，生物脱氮除磷原理及影响出水效果的因素。

Second, the cartel investigations of the 1990s improved our understanding of the world.

其次，90年代改良卡特尔调查了解世界。

If man could be crossed with the cat it would improve man, but it would deteriorate the cat.

如果人类可以和猫杂交，那将有利于改良人类，但却败坏了猫。

The highest enzyme producer alkalophilic Bacillus sp SHY8-1 among the inductive strains was mutagenized several times, by adding enzyme production repression aegents into screen medium, combined with natural seperation and pressure selection, finally a CMCase-hyperproductive mutant SHY8-1-25 (partitally resistant to catabolite) was obtained, with the yield of CMCase raised to 13-16u/ml, maximally reached 18-20u/ml, while its parent strain 0.654u/ml.

对诱导型产酶菌-嗜碱芽孢杆菌SHY8-1进行了多次诱变改良，采用添加产酶阻遏剂的平板作为筛子，结合反复的自然分离、压力选择，最终成功地获得了高产变异株SHY8-1-25(已部分解除分解代谢阻遏)，产酶量由0.654u/ml提高到13-16u/ml，最高达到18-20u/ml，讨论了诱变机理策略，考察了碳、氮源等对产酶的影响，对培养基和摇瓶培养条件进行了优化。

And RAVO B.V., manufactures and markets worldwide a full range of street and parking lot sweeping, high-performance water-blasting equipment, municipal sewer and catch basin cleaning vehicles, industrial vacuuming and refuse trucks.

作为美国环境产品行业的领导者，上海联信结合美国的先进生产工艺、并针对中国市场的实际需求，对产品进行改良，并通过"多元本土化"管理，创造最大价值，实现迅速增长。

Methods: Modified Kato's thick smear method was used to examine Taenia sp. egg in the feces of 60 rural residents (33 males and 27 females) in Wushi county. Then traditional epidemiological methods were employed to investigate Taenia saginata infection among these residents. Results: Four patients were able to expel adult worm after taking in pumpkin seeds, areca catechu L and other drugs.

采用改良加藤法粪检及询问病史等方法抽样调查了该县火箭一大队6小队的60人，对粪检带绦虫卵阳性并有排节片史的7名患者用槟榔－南瓜子法及硫酸镁进行驱虫治疗，同时分析其感染原因和临床症状。

The research result shows that the CBR value of soil treated by HPCM is increased.

结果表明，改良土体的CBR值和耐水性显著提高。

Ceder, MIT professor of materials science and engineering, who led the project.

但在2月17日的文章中描述的锂镍锰氧化物可以从根本上改变整个混合动力汽车工业，此改良项目的负责人，MIT 材料及工程学教授吉布兰希德说，该工业有"巨大的增长潜力"。

In the United States, chronic alcoholism and hepatitis C are the most common ones.

在美国，慢性酒精中毒，肝炎是最常见的。

If you have any questions, you can contact me anytime.

如果有任何问题，你可以随时联系我。