dust pollutionparticulate pollution effectsmass mediumsurface mean diametersgeometric standard deviationsolar intensitiesTwo greenhouse models were constructed to investigate the characteristic performance under variable dust pollution levels. The cover of the first model—a reference—was kept clean, while dust...
C Ming,F Song,L An,X Ren 摘要: Sb3+/Mn2+co-doped phosphate glasses were prepared by high temperature melting method. The absorption, excitation, and emission spectra of the glasses were investigated. The glasses are transparent in the visible light region and can emit strong red light under...
The detailed study of rare, extreme human phenotypes has a long and distinguished history in endocrinology. Such individuals have often acted as 'experiments of nature' providing important novel information regarding endocrine physiology and mechanistic insights relevant to the study of more common endocri...
You must always 6 a seat belt (安全带). Without belts 7 the driver and the passengers may be badly hurt in a sudden accident. You may not need to take a bus, but 8 if you have to travel in one. Get on or get off a bus only when it comes to a 9 . When it is full, don...
6.His ___ led to his final failure.A.ignorance B.information C.achievement D.knowledge7.The mankind has done many ___ things to nature in its course of civilization.A.destructive B.instructive C.progressive D.sensitive8.Plants raised in greenhouses are tended methodically in an attempt to ...
D. 结核毒性症状减轻后,激素用量递减,至6周可停药 E. 干酪性肺炎患者,抗结核治疗高热不退时,可用激素 查看完整题目与答案 让患者配对相同物品,如两枚别针、钥匙、钢笔放在一起,让患者配对,患者不能完成,该患者可能为() A. 触觉失认 B. 物品失认 C. 视空间失认 D. 颜色失认 E. 形状失认 ...
A Spectral Imaging System for Detection of Botrytis in Greenhouses In the Interreg IV, EU project 'The healthy greenhouse' a new integral crop protection system is developed. Part of the project is the development of autonomous robots for monitoring individual plants. One of the sensors for ...
Hello,dear friends!Welcome to my village.It's big and beautiful!I like it very much.Look!There are many houses in the village.They are small.There are many high and beautiful mountains near the houses.There is a big forest behind the houses.There are many big trees ...
In the USA it is warm and beautiful in summer.The trees and fields are green then.But now it is winter and __5__ is white.At __6__ there are different colours.Small lights make the houses and buildings __7__.Christmas is a beautiful __8__ of a year.Christmas Day always begins...
( lay) together.The theme is then cut.For the knife,several layers of paper are put on a soft foundation(6) consisting( consist) of a mixture of tallow and ashes. Arts come from life and serve life,so(7) does( do) paper cutting.The bright red,green or lig...