查询词典 breeding ground

From the beginning of the last century 80's, there are many research institutes engaged in Pinctada maxima of raising seedlings, breeding and breeding research, but they all failed for various reasons, Pinctada maxima has not been the industrialization of farming.

从上世纪80年代开始，有许多科研单位从事大珠母贝的育苗、繁殖及养殖研究，但都因各种原因归于失败，大珠母贝养殖始终没有产业化。

New planted ramie often have defects of fewer efficient plant numbers, many of high-branches, difficult to peel bast, low yield, bad fiber quality and so on. Aiming at all these shortages, the cuttage breeding technology of fine varieties and high-yield and good-quality cultivating method, breeding Cutting seedling with several low-branches, planting deeply appropriately, ridging to foster rootstocks when intertilling, was brought forward.

针对苎麻新麻有效株少、高位分枝多、韧皮剥制难、原麻产量低、纤维品质差等问题，提出了培育携带多个低位分枝的扦插苗，麻苗移栽时适当深植，辅以新麻中耕时起垄培蔸的苎麻良种扦插繁殖新技术与新麻高产优质栽培方法。

This will be that our country maize breeder has to make a adjusted important problem to maize breeding objectives choice in future. At the same time, an important Historical development stage of our country maize breeding horizontal is stridden a new flight of steps develops a stage.

这将是我国玉米育种家未来不得不对玉米育种目标的选择做出调整的一个重要课题，同时也是我国玉米育种水平迈上一个新台阶的重要历史发展阶段。

The pathological lesion rate caused by local pneumonia for the progeny swinery of the first-born sows was 3/%, and that for the second -born breeding sows was 11%, being 30% of the pathological lesion rate in the first-born sows, so the health level of more than the second-born breeding sows was more stable.

头胎母猪后代的地方性肺炎痛变率为31%，二胎以上母猪后代的地方性肺炎病变率是11%，为头胎母猪后代发病率的1/3，稳定了二胎以上母猪的健康水平。

The method of mutation breeding and the current research situation of Thiobacillus ferrous oxide are summarized,and some problems in the process of breeding are discussed.

综述了氧化亚铁硫杆菌诱变育种的方法以及诱变育种的研究现状，并对诱变育种过程中的一些问题进行了探讨。

To reduce the poisonous compounds in the breeding ponds,five species of bacteria including denitrobacteria ,photosynthetic bacteria,thiobacteria and bioflocculation bacteria were screened from the breeding water.

针对养殖水体中因氨态氮、硫化氢和小分子有机酸富营养化引起的污染问题，分离筛选出硝化细菌、反硝化细菌、光合细菌、硫化细菌和生物絮凝菌等具有不同生理功能的污染物治理菌株，经优化配伍制备出性能优良的复合功能菌，结果表明：硝化细菌对氨态氮的去除率达97.8%，亚硝态氮的去除率达95.7%，反硝化细菌对硝态氮的去除率为96.4%，光合细菌和硫化细菌对硫化氢的去除率为55%，微生物絮凝菌的絮凝效率为83%；复合功能菌对CODCr、NH4+-N，总氮、硫化物的去除率分别可达94.3%，89.6%，88.7%和71.3%。

The contrast of chemical communication behavior between males and females in non-breeding seasonThe chemical communication behavior of females depend more on vomeronasal system, compared with males in non-breeding season.

非繁殖期雌雄性小熊猫化学通讯行为的差别在非繁殖期，雌性小熊猫的化学通讯行为比雄性个体更多地依赖犁鼻系统。

We have studied the breeding biology of Gansu zokor by the observation of their behavior and measured the histological changes in breeding season.

甘肃鼢鼠是季节性繁殖动物，因甘肃鼢鼠严格营地下生活，对其繁殖期具体时间一直尚无定论。

He founded the dual classification, the Chinese school of the classification of flower varieties, established gene pools of golden camellias and tested out a successful breeding technology. With the wild flowers of China as the parents and through wild breeding, he nurtured new varieties of golden camellias, Chinese roses, and groundcover Chrysanthemum with anti-stress and ornamental properties. He is the authority of the international registration of Mei cultivars.

他创立了花卉品种分类的中国学派——&二元分类法&；建立了金花茶基因库，试验出一套成功的繁殖技术；以我国野生花卉作亲本，通过&野化育种&，培育出具有抗逆性与观赏性的金花茶、月季和地被菊等花卉新品种。

The GCA and SCA between various parents and cross combinations were significantly different. The GCA effect value of 582 was the highest in these three traits. The sum of breeding value and SCA of cross combination 582×Kangda was significantly superior to other combinations in amount of cocoon crop and cocooning rate to newly hatched larvae. The best cross combination of breeding value and SCA was 582×9906 in thousand-cocoon weight.

供试亲本间及各组合间的GCA和SCA差异较大，其中亲本材料582的产茧量、千粒茧质量及收蚁结茧率3个性状均表现出最高的GCA效应值；杂交组合582×抗大的产茧量和收蚁结茧率的育种值与SCA之和明显地优于其他组合，千粒茧质量的育种值与SCA之和最优的组合为582×9906。

Listen,point and check your answers.

听，指出并且检查你的答案。

Warming needle is one of effective treatment methods for knee arthralgia aggravated by cold,and it is simple,safety,so it should be developed in clinical acupuncture and moxibustion extensively.

但以本院科针灸门诊在2005年1月—2006年6月期间共收治膝痛患者100余例，经过临床的诊断后，其中施以温针治疗的48例，疗效显著，报道如下。1临床资料本组病例48