restriction gene是什么意思

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The results show that the order of main limited factors affecting rice yield planted in the acid yellow paddy soil is N>P>K>Ca>B>Mo and the best fertilizer application formulation for higher rice yield in the tested area is 17.

通过土壤养分系统研究法,即实验室分析土壤的养分含量、吸附试验、温网室盆栽试验和大田田间试验,诊断出贵州省铜仁地区酸性黄泥田影响水稻产量的主要限制因子排列为:N>P>K>Ca>B>Mo。

Annual variation of major nutrients and limiting factors in Laizhou Bay and Sanggou Bay;

莱州湾和桑沟湾养殖海区主要营养盐的周年变动及限制因子

To improve and coordinate Limiting factors, water conservancy projects should be set up, population should be strictly controlled, and livestock farming should be beveloped.

本文对红壤小流域生态系统的综合开发限制因子进行分析。

Abio phosphor's content is the limit factor deciding red tide's occur.

通过研究发现 ,大连湾大部分海域已达富营养化程度 ,其中无机氮是影响大连湾水质的主要污染物 ,无机磷含量高低是决定赤潮发生与否的限制因子。

This paper analyses the potential of cotton by using FAO agriculture zoology calculation method in risk areas,according to the natural resource,estimates and appraises light temperature and calimate potential yield of cotton,compares with reality yield,finds the main limit factor.

找出了温度是该地区棉花生产的主要限制因子 ,提出相应的管理措施 ,以便扬长避短 ,减轻限制因子障碍作用 ,挖掘棉花潜

This paper analyse the potential yield of cotton by using FAO agricultral zoology cacutation method in ShiHezi,according to the nature resourse of ShiHezi,estimate and appraise light temprature and climate potential yield of cotton,compare with reality yield,finding the main limit factor,it will submit suitable methods of magament and offer basis for agricultrue.

以该区自然资源潜力为重点，估算和评价了该区棉花的光温、光温水潜力，并与实际产量进行对照分析，找出该地区棉花生产的主要限制因子，提出合理的管理措施，以便扬长避短减轻限制因子作用，挖掘作物优势潜力，对该地区的农业生产发展和决策规划具有战略意义。

Restricting factors of bacteria growth were studied by pure culture and natural culture test.

通过添加不同营养盐类的纯种和自然培养试验 ,对异养细菌生长的限制因子进行了研究 。

Backward infrastructural facilities were found to be the main limiting factor.

采用1991—2004年与城市化相关的统计数据作为研究的基础数据,运用因素分析实证研究法,分析我国当前城市化发展过程中的限制因素,为我国的城市化发展道路提供方向。

The article analyzes the limiting factors against achieving the skating teaching task in northern universities.

分析了当前北方高校完成滑冰教学任务的限制因素,针对北方普通高校大多数滑冰场建在室外,暖冬气温对上冰时间长短影响较大,使得速度滑冰教学任务受到影响这一现象,认为应合理安排秋冬季教学内容,秋季教学安排轮滑课教学内容;利用轮滑打好速滑课非冰期陆地学生身体素质、技术基础;应用CAI课件创建理论与实践相结合的教学模式,培养学生浓厚的学习兴趣,提高学生的自学能力,拓宽学生的视野,促进学生的全面发展;运用滑冰与轮滑相关性、迁移性教学,使北方普通高校在较短的冰期内高效率地完成速度滑冰课教学任务,提高速度滑冰课教学效果;建议把利用轮滑提高速度滑冰课教学效果纳入速滑教学评价体系。

The primary limiting factor is the specification of clouds.

主要的限制因子是对云的了解。

Factors Limiting Soil Nutrients in Typical Rubber Plantations in Hainan Province

海南省主要橡胶园土壤养分限制因子

Aluminum is the main factor limiting plant growth on acid soil.

铝是酸性土壤中植物生长发育的主要限制因子。

Research on Ecological Amplitude of Nutrition Restrictive Factors in the Changjiang and Jialing Rivers Interjunction in Chongqing;

长江嘉陵江交汇段营养限制因子生态幅研究

Nutrient Limitation of Phytoplankton in the Changjiang Estuary;

长江口区浮游植物营养限制因子的研究

Approach to Inhibiting Factors in Anaerobic Bio-treatment of Sulfate Containing Wastewater;

硫酸盐废水厌氧处理中限制因子的探讨

Quantitative appraisal and limiting factors analysis of sustainable development;

可持续发展的定量评价与限制因子分析

Analysis on Limiting Factors of Developing Agricultural Industriali-zation and its Resolving Approaches;

农业产业化发展限制因子的分析及解决途径

Studies on Limiting Factors of High-yield Maize in Semiarid Region

半干旱区玉米高产栽培限制因子的研究

Variation Characteristics of Main Meteorological Restricting Factors for Apple Production in Northern Yanan

延安北部苹果生产主要气象限制因子变化特征

Study on the Limiting Mineral Nutrition Factors of the Grazing Sheep in the Siziwangqi Region of Inner Mongolia;

内蒙古四子王旗地区放牧绵羊矿物质营养限制因子的研究

Greenhouse experiment verified that N, P, K, S and probably Zn, were the yield limiting factors in the soil.

温室盆栽试验证实氮、、和硫是该土壤的产量限制因子，锌也在一定程度上限制产量。

Secondary salinization of soil is an important factor limiting the greenhouse cropping system.

设施土壤次生盐渍化是我国设施农业生产中的一个重要限制因子。

Upper-lower Limit to Liquidity and Volatility with the Factorization Influence;

涨跌幅限制对流动性和波动性影响的因子分析

Determination of X-factors in price cap regulation plans;

价格上限管制中效率因子X的计算方法

(g,f)-Factorization with constraints in bipartite graphs

二分图上有限制条件的(g,f)-因子分解(英文)

Study on evaluation of limiting factors in artificial vegetation restoration of abandoned quarry

废弃采石场人工生态恢复限制性因子评价研究

Research on Limited Factors of Reclaimed Soil in the Large Coal Wastes Pile in Fushun West Opencast Coal Mine

大型煤矸石山植被重建的土壤限制性因子分析