Mortality是什么意思

网络释义

用法例句

Large-scale tree transplant and maintenance method;

大规格树木移植与养护技术

Cadmium and zinc absorption and distribution in various tree species in a mining area.;

矿区绿化树木对镉和锌的吸收与分布

The atmosphere′s in fluence on some biochemical index of trees in petroleum region;

石化区空气对树木某些生化指标的影响

The Diversity of Soil on Uphill and Downhill of Woodland and its Influence on Growth of Trees;

林地上下坡土壤的异质性及其对树木生长的影响

The Problems and Countermeasures in the Application of Trees of Taiyuan;

太原城市绿化树木在应用中存在的问题及对策

A review on the study of water use efficiency of tree species;

树木水分利用效率研究综述

Drought and water resources shortage are great problems for China, and even for all of the world, so it is great importance of study on drought resistance in tree species, drought resistant breeding and drought resistant forestation technology for ecology and environment construction of drought area and medium drought area.

文中阐述了国内外在树木抗旱性、树木抗旱性机理、抗旱树种选育以及节水抗旱造林技术等方面的研究成果与进展 ,同时对我国抗旱造林提出了自己的见解。

Research on the Gluability of Four Plantation Grown Eucalyptus Species;

四种桉树木材实木胶合性能研究

A study on the Wood Durability of Short Rotation Eucalyptus Plantation;

通过对几种桉树短周期人工林木材的室内耐腐、抗蛀性和野外耐久性等试验，结果表明：４～９年生的桉树木材天然耐腐性较差，心材多属稍耐腐级，边材属不耐腐级；抗蛀性较差，易被小蠹虫及家白蚁为害，尾叶桉木材天然耐久年限稍大于半年，属不耐久等

Correlation between chemical element contents in tree rings and those in soils near tree roots in the southern suburbs of Beijing,China.;

树木年轮与其根部土壤化学元素含量的相关性

In this paper, with an aim of better monitoring air pollution, we selected tree bark and tree ring core samples(willow, Salix matsudana)close to a smelting industry in northeast Beijing for magnetic studies.

通过磁学手段以树木年轮为研究对象,通过多参数磁学研究探讨钢铁厂周围环境污染的历史。

The standardized(STD) chronology was established from tree ring data of \%Sabina przewalskii \%in east region of Qilian Mountains.

祁连山东部地区树木年轮年表具有明确的气候学意义。