1) three ecological problems of grassland
草原三化
1.
According to status and changes of three ecological problems of grassland,namely degradation,sand and salinization,the main technological measures to harness the three ecological problems and effectiveness are analyzed.
针对内蒙古草原退化、沙化、盐渍化(简称为草原三化)现状和变化状况,分析了治理草原三化的主要技术措施及其成效。
2) grassland degeneration
草原退化
1.
Agro-environment of the west of Jilin province is deteriorating under the impact of natural and human factors, which is directly presented by land saline-alkalization, grassland degeneration and land desertification.
在自然因素和人为因素的影响下,吉林西部农业生态环境问题日益突出,土地退化严重,直接表现为“三化”(即土地盐碱化、草原退化和土地沙化)。
2.
This paper studied the prevention and control of grassland degeneration.
通过苏打盐碱土退化草原的现场试验示范，研究了草原切耙、人工播种、围栏封育及追施氮肥等措施对草原退化的防治作用。
3.
he paper was reported to cause the reason of grassland degeneration, and approach the problems of grassland management, conservation, rational use, and development.
在对翁牛特旗草原利用现状进行剖析的基础上，找出了导致草原退化的原因，探讨了草地资源的管理保护、合理开发利用和建设问题，提出了治理的对
3) prairie culture
草原文化
1.
Comment on the Status, Characteristics and Spirits of Prairie Culture;
略论草原文化的地位、特色和精神
2.
Altai Region, which is very rich in ecological tourism resources and prairie culture tourism resources, is the reserve base of tourism resources in Xinjiang.
阿勒泰地区是新疆旅游资源的后备基地，生态资源与草原文化资源丰富文章在普查该地区旅游资源的基础上，分析了旅游业发展所面临的良好机遇和旅游资源的特征，提出了阿勒泰地区旅游业开发的层次结构和思路，并对其旅游线路网络做了合理的布
3.
The nature of modern prairie culture is the culture whose core is humans with the following characteristics: opening to the outside world, pluralism and fusion, a new type of green industry, socialization and marketization, urbanization, modern human spirit, humanity and unity between nature and society; complicated and harmonious e.
草原文化是以草原为载体的独特的文化形态和体系,它是一个有机的整体,正经历着从传统到现代的变革。
4) degenerated steppe
退化草原
1.
The quadrat data from 1983 to 1994 were used to statistically analyze the changes in diversity and the main plant populations on degenerated steppe after light harrow for restoration.
利用多年样方资料的统计分析,对退化草原群落轻耙处理后恢复过程中的生物多样性变化规律及引起这些变化的主要植物种群进行研究,结果表明:在退化群落耙地恢复过程中,整个群落的物种丰富度变化不大,物种分布的均匀性指数随演替过程呈现波动下降的趋势,多样性指数也呈现波动下降的趋势,恢复后期有所升高,且物种分布的均匀性是造成物种多样性指数变化的主要原因。
5) grassland degradation
草原退化
1.
Prediction of grassland degradation in Xilinhaote of Inner Mongolia based on Markov process model;
基于马尔柯夫模型的内蒙古锡林浩特典型草原退化格局预测
2.
The Remote Sensing Monitoring of Grassland Degradation and Climate Causes in Hulun Buir Grassland;
呼伦贝尔草原退化遥感监测与气候成因
3.
Study on the Relation of Soil Thickness Spatial Distribution and Grassland Degradation Based on 3S
基于3S草原土壤厚度空间分布与草原退化程度关系的研究
6) degraded grassland
退化草原
1.
Technologies to monitor the rodent in the degraded grassland in "Three-River Headwaters" region;
“三江源”地区退化草原的鼠害监测技术
2.
Plant biodiversity of Aretemisia frigida communities on degraded grasslands under different grazing intensities after thirteen-year enclosure;
退化草原冷蒿群落13年不同放牧强度后的植物多样性
3.
Restoration dynamics of degraded grasslands in the typical steppe zone of inner Mongolia;
内蒙古典型草原地带退化草原的恢复动态
补充资料：苄基三丁基溴化铵 苄基三正丁基溴化铵
CAS：25316-59-0
分子式：C19H34BrN
分子质量：356.39
熔点：176-171℃
中文名称：苄基三丁基溴化铵 苄基三正丁基溴化铵
英文名称：Benzyl tributyl ammonium bromide benzyltributylammonium bromide
分子式：C19H34BrN
分子质量：356.39
熔点：176-171℃
中文名称：苄基三丁基溴化铵 苄基三正丁基溴化铵
英文名称：Benzyl tributyl ammonium bromide benzyltributylammonium bromide
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条