xin xiao zhang zhi qiang (2 Ergebnisse)

paperback. Zustand: New. Ship out in 2 business day, And Fast shipping, Free Tracking number will be provided after the shipment.Pages Number: 241 Publisher: China Forestry Publishing House Pub. Date :2004-11. The book urban water conservation forest for the study of warm Temperate Forest Ecosystem Research Station as a base to ecological processes and ecological patterns of hydrology for the study of mechanism of the core. and water relations of plant-based theory. the scale of the problem throughout the study. the forest canopy. ground cover layer and soil layer of water relations of the basic theory. the scale of the problem throughout the study. for canopy. ground cover and the soil layer of water movement to carry out research work. the study involved runoff. erosion and sediment yield. erosion simulation. water ecology. water quality and other aspects. the book reveals the ecological pattern and ecological processes of hydrology mechanism for the effective management of water resources sustainable utilization and provide a scientific basis. Contents: Preface Chapter sequence of forest eco-hydrological research section of forest change on water affect a watershed (system) Study 2. Section II of forest vegetation on the process of the formation mechanism of the impact of runoff water ecology Research Section trends in one with the problem of the origin of two. three of the status quo. development trend of forest vegetation in the fourth quarter of a mechanism to control soil erosion. forest vegetation. the role of two anti-corrosion canopy. forest vegetation litter layer anti-corrosion effect three forest vegetation with root soil layer anti-corrosion effect four. the role of forest vegetation corrosion progress of five ecological studies of forest vegetation to prevent soil erosion critical six. the role of forest vegetation corrosion model expression V biogeochemical cycle of forest ecosystems Study 1. the amount of stand growth. productivity and biomass of two forest ecosystems. nutrient cycling in three forest ecosystems. water quality impacts of forest eco-hydrological model of Section VI Chapter Progress forest canopy and ground vegetation litter layer mechanism of hydrologic SectionFour Satisfaction guaranteed,or money back.

Hardcover. Zustand: New. HardCover.Pub Date:2023-11 Pages:678 Language:ChinesePublisher:People's Communications Press Co. Ltd.This book mainly expounds on the scientific issues in the disciplines of aviation transportation and aerospace transport engineering. which is divided into two parts: the first part includes aircraft design. aircraft testing and airworthiness. aircraft flight dynamics and flight control. aircraft energy and propulsion system. aircraft electromechanical and avionics. aircraft man-machine and e.