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1)  insect-proof in greenhouse
温室防虫网
2)  Pest proof green house
防虫温室
3)  insect screening
防虫网布
1.
The design,technical specification and manufacturing process of a patented foldable insect screening are presented.
介绍了专利产品折叠式防虫网布的设计方案、生产工艺及技术要求。
4)  insect-proof screen
防虫网
1.
Static simulation of airflow distribution inside multi-span plastic greenhouse:influence of insect-proof screens on airflow inside greenhouse;
连栋塑料温室自然通风流场的稳态模拟——防虫网对温室内流场的影响
2.
Research progress on application of insect-proof screens technology;
防虫网覆盖技术应用研究进展
5)  insect-proof net
防虫网
1.
8 rice cultivars were treated with insect-proof net covered and uncovered at seedling stage.
秧田期采用防虫网覆盖与不盖防虫网两种措施,对8个水稻品种进行试验研究,结果表明,防虫网可有效控制灰飞虱虫口数量,阻止带毒灰飞虱在秧田期对水稻的集中侵染,对防止大田条纹叶枯病发生效果极显著,能显著提高水稻产量。
2.
The experiment result of the planting Chinese chives with the different size of insect-proof net Indicated that the adults of maggot were efficiently segregated by covering with 20 mesh, 30 mesh and 50 mesh insect-proof net, which decreased respectively the density of maggot larva by 74.
覆盖防虫网对韭蛆进行防控,结果表明:20目、30目、50目防虫网均可对韭蛆成虫起到有效的隔离作用,越冬韭蛆的虫口密度分别降低74。
6)  insect-proof screens
防虫网
1.
Measurement of airflow resistance of insect-proof screens for greenhouse;
温室防虫网通风局部阻力试验研究
2.
Prediction model for harvest date and yield of Brassica chinensis L.in plastic tunnels covered with insect-proof screens;
防虫网覆盖塑料大棚小白菜采收期与产量预测模型
补充资料:温室效应和温室气体
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性质:一些微量气体对太阳的短波辐射无阻碍,但对长波辐射有强烈的吸收,若其吸收带落在7~13微米的红外大气窗口内,则吸收的能量将引起大气的增温。温室气体主要有CO2、H2O、CH4、N2O、O3、CFCs等约30余种。当地表因被辐射加热又以红外辐射的形式向空间散发的能量被大气中的温室 气体吸收而使大气增温,产生温室效应。大气中本来就有CO2、H2O等温室气体,但如果温室气体的种类及其含量因人为活动在大气中增加时,温室效应将增加,从而导致地球的平均气温上升,这将造成全球性的危害。

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