三北地区

并用该方法对我国三北地区20个城市，装设200MW供热机组热化系数最优值的分布及合理变化范围进行了计算。

In addition , it is employed in the calculation of the optimal distribution and the range of the distribution coefficient of 200 MW generating - heating sets which are located in twenty cites of North China .

三北地区内陆盐水的轮虫

Protozoa from inland saline waters in North China Regional Construction

三北地区国外灌木树种引进

Introduction of Alien Shrub Species in " Three-north " Area

三北地区草牧场防护林的建设问题

Construction of shelter belt along grassland & pasturage in the Three Norths area

三北地区内陆盐水生物资源及其渔业利用

Biological resource in inland saline waters in North China

三北地区防护林气候生态适应性分析

Climatic ecological adaptation of shelter forests in Three-North Regions

吉林省三北地区农防林更新方式

Regeneration Measures of Shelter Belts for Farms in Three North Area of Jilin Province

三北地区生态林业建设与经济持续发展

The Construction of Ecological Forestry and Sustainable Development of Economy in Three North Region

中国三北地区荒漠化与可持续发展

Sustainable Development in Three-Northern Regions Desertification of China

中国三北地区部分野生小鼠形态分类学分析

Taxonomic Analysis of Wild Mice in North China

我国三北地区春季第一场透雨指标的确定

Determination of Indices for the First Soaking Rain in Spring in North of China

双级耦合热泵系统在我国三北地区应用的预测分析

Predictive analysis of applying double stage coupling heat pump systems in north areas of China

开展甘草产业技术研究促进三北地区三农经济发展

Enhance technique researches on Glycyrrhiza industries , promote three-dimensional rural economic development in Three-north areas

三北地区沙棘属植物的区域化种植开发探讨Ⅱ沙棘属植物种植开发中应该加强的一些环节

Strategic Thought on Regionalization of Plantation and Development of Hippophae in Three North Areas of China

三北地区河滩地杨树人工林生长特性研究

Study on growth characteristics of Poplar Plantation on bottom land in " three north " area

提高中国三北地区气候资源利用率的对策研究

An examination of the Countermeasures for increasing climatic resources utilization rate in the Three Norths of China

三北地区杨树速生林材积生长量与气候因子关系分析

Analysis of volume increment and climatic factors in fast-growing forest of poplar in " three norths " area

中国风能资源丰富，主要集中在三北地区及东部沿海风能丰富带。

China has abundant wind resources , mainly distributed at northeast , north , northwest and east coastal areas .

空气/水和水/空气双级耦合热泵系统在三北地区应用中存的问题及其改进措施

The problems and Improvement Measures of Using the air-to-water and water-to-air twin-coupling Heat Pumps Heating System in the " sanber " regions

严格保护科学经营&论三北地区森林资源经营目标与模式

Strict Protection and Scientific Management & Talk about the Aim and Mode of the Forest Resource Operations in Three Northern Areas of China

我国幅员辽阔，广大的三北地区和东南沿海地区蕴藏着大量优质的风能资源。

China has a vast area , there are plenty of high-quality wind energy resources in three northern regions and south-east coastal region .

三北地区沙质荒漠化依成因可分为：就地起沙型、风沙侵入型和土地粗粒化型等。

Sandy desertification in Northern China could be divided into three types , the localized type , the windblown type and the coarse grained type .

三北地区三分之一县的农业生态环境开始趋向良性循环。

The agricultural eco-environment in one third of the counties covered by the ` ` three norths ' ' project has entered a benign circle .

从三北地区防护林建设，看林业在草原生态经济系统中的作用及其发展前景

The role of forestry on grassland ecological economic system and its development prospect . - an observation form construction of " three north " protective forest

对三北地区发展能源林解决农村生活用能问题进行了探讨。

Through field survey and and quantitative analysis method , the paper discussed the energy forest for the Three-northern regions to solve the problem of rural life .

这些港口不仅对当地经济发展给予巨大支持，也对整个三北地区的发展提供了巨大的支持。

All of these ports not only support the development of local economy , but also play an important role in the whole " San Bei " area .

沙棘是中国三北地区分布极为广泛的一种乡土树种，具有显著的生态效益、社会效益和经济效益。

Hippophae rhamnoides is a kind of Native Tree Species which are widely distributed in Northern China , the ecological benefit , social benefit and economic benefit are significant .

我国奶资源规模、容量处在发展的初级阶段，区域布局和资源配置表现出不平衡性，资源重心在三北地区，而且产业化程度和商品化程度都不高；

Preliminary development of milk resource scope and capacity , un-balanced and un-harmonized area location and resource allocation with " three north " areas concentration , and lowly industrialization and commercialization .

这一成果为中国三北地区荒漠化的研究和治理，特别是黄土高原地区的生态环境建设将起到积极的作用。

This work will help the researching and renovating of the " three north " area in China , especially it will actively work on the environment constructing in Northwest China .

目前我国已建和在建的大型风电基地大多位于三北地区，这些地区风电脱网事故频发，给电力系统的安全可靠运行带来了十分严重的影响。

Currently , the constructed & under constructing large windpower bases of China are mostly located in the three-north area . Frequent windpower off-grid accidents bring serious influence on the power system .