生态学

Being a protective tillage, the no-tillage means getting rid of not only the tillage before sowing, but also the intertill after sowing, and leaving the plant residue after harvesting.

中文题名稻田自然免耕体系土壤微生物及有机质周转研究副题名外文题名 Study on the microbial characteristics and the turnover of organic matter in paddy soil under a long-term no-tillage and ridge culture 论文作者张磊导师谢德体教授魏朝富研究员学科专业土壤学研究领域\研究方向土壤生物和生态学位级别博士学位授予单位西南农业大学学位授予日期2002 论文页码总数92页关键词稻田土壤生态学土壤有机质土壤微生物免耕馆藏号BSLW /2003 /S154 /1 免耕制是一种保护性耕作制，指同一块土壤在一定年限内，不仅免除播前耕作，也免除播后中耕，作物收获后直接将作物残茬留在土壤中的耕作方式。

The paper studies the reason of endangering mechanism of Davidia involucrate from population ecology and embryology.

而从种群生态学和胚胎学两方面是从宏观和微观的角度探讨濒危原因。

The differences of soil microbes'components, soil enzyme activities, and soil fauna between genetic crops and isogenic strain crops were analyzed.

评价不同转基因作物对土壤生态系统的影响具有重要的生态学意义，急需发展和完善以分子生物学为主的风险评价方法。

In this paper, the bio-ecological characteristics of indigenous halophytes: Salsola implicata, Suaeda linifolia, Halocnemum strobilaceum and Kalidium foliatum will be studied in order to explore the mechanisms of plants tolerance and to get the theory and measures for treating salt soil and applying halophytes.

本文拟通过对生长于盐渍化土地上的四种常见盐生植物：盐爪爪、盐节木、亚麻叶碱蓬和密枝猪毛菜的生物生态学特性的研究，查明盐生植物适应盐渍化土壤的机制，为在盐渍化土地上恢复、重建和扩展植被，并为改造该类土地提供依据。

Primary Study on Salt Adaptability of Suaeda linifolia ;2. In this paper, the bio-ecological characteristics of indigenous halophytes: Salsola implicata, Suaeda linifolia , Halocnemum strobilaceum and Kalidium foliatum will be studi.

本文拟通过对生长于盐渍化土地上的四种常见盐生植物：盐爪爪、盐节木、亚麻叶碱蓬和密枝猪毛菜的生物生态学特性的研究，查明盐生植物适应盐渍化土壤的机制，为在盐渍化土地上恢复、重建和扩展植被，并为改造该类土地提供依据。

In this paper, preservation characteristics of the viviparous propagule of Kandelia candel and Aegiceras corniculatum, change of nutrient content and caloric values of several mangroves species during winter, cold resistance and salt resistance and the effects of supplemental calcium on the seedling of three mangrove species were studied, the main results showed as follows

本文进行了红树植物对低温和盐度的某些适应生理生态学研究，主要讨论胎生繁殖体的贮藏特性、不同盐度和低温下生理生态指标的变化和补充钙的效应，以及这些处理下，植物体中6种元素和热量的变动特性等。

We suggest that biodiversity of Labeoninae fish in Pearl River can be resulted from divers habitats of Karstic area in Yunnan-Guizhou Plateau and Guangxi Province.

此外对分布于我国喀斯特区域的野鲮亚科鱼类的多样性等进行了有关进化生态学方面的初步研究。

This study was analyzed landscape classification in Kashi River by the classification method of landscape ecology and remote sensing.

通过景观生态学的分类方法，结合遥感，对喀什河上的景观进行分类分析，结果表明，喀什河全流域山地景观的优势度显著大于绿洲景观的优势度。

At the same time, we tested the HP virulence factors to observe the relation between inhibitive effect of anti-HP Lactobacilli acidophilus and HP virulence factors.

近年来，随着微生态学的发展，有人开始尝试通过微生态疗法达到控制细菌感染的目的，并已经成为研究的热点。

Pattern,process and prediction in aquatic ecology--A limnological view of some general ecological problems 《Freshwater Biology》 Harris

流域生态学。水生态系统多样性研究和保护的一个新途径《科技导报》蔡庆华刘建康刘建康

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。