1) multiple vegetations
多种类植被
1.
Altered mineral and rock mapping in vegetation covered areas, especially in multiple vegetations covered areas, is quite difficult.
植被的发育限制了遥感在地质学方面的应用,特别是在多种类植被发育地区不能直接地根据波谱特征进行岩石与矿物方面的填图。
2) Vegetation type
植被种类
3) plantation varieties
植被品种
4) vegetation type
植被类型
1.
Soil carbon storage and CO_2 flux under different vegetation types in Qilian Mountains;
祁连山不同植被类型土壤碳贮量和碳通量
2.
Analysis of species composition and vegetation types of natural vegetation in coastal rural area of Qionghai in Hainan Province;
海南琼海沿海农村自然植被的物种组成及植被类型分析
3.
Soil respiration characteristics of different vegetation types in the mountain areas of north China;
华北山地不同植被类型土壤呼吸特征研究
5) vegetation form
植被类型
1.
Survey and research on vegetation forms were studied by combining sample lines,sample plots and observation sites in Baima Mountain Nature Reserve of Songxi County based on the distribution rules of Chinese Vegetation.
研究表明:松溪白马山省级自然保护区植被类型丰富,植被保存较完整,共具有8个植被型20个群系62个群丛;植被分布水平规律变化界限不明显,在垂直分布上,随着海拔高度的不同形成垂直地带谱。
6) vegetation types
植被类型
1.
Temporal heterogeneity of soil moisture under different vegetation types in Qilian Mountain;
祁连山浅山区不同植被类型土壤水分时间异质性
2.
Topographic differences for vegetation types in Wuyishan National Nature Reserve,Fujian Province;
武夷山国家级自然保护区植被类型的地形分异
3.
Effect of the vegetation types on runoff generation on slope land in Simian Mountain of Chongqing;
重庆四面山植被类型对坡面产流的影响
补充资料:多苯基多亚甲基多异氰酸酯
多苯基多亚甲基多异氰酸酯,简称PAPI,或称粗MDI,浅黄色至褐色粘稠液体.有刺激性气味。相对密度(20℃/20 ℃)1.2,燃点218℃。PAPI实际上是由50%MDI与50%官能度大于2以上的多异氰酸酯组成的混合物。升温时能发生自聚作用。溶于氯苯、邻二氯苯、甲苯等。PAPI的活性低,蒸气压低,只是TDI的百分之一,故毒性很低。
用于制造聚氨脂胶粘剂。也可直接加入橡胶胶粘剂中,改善橡胶与尼龙或聚酯线的粘接性能。贮存于阴凉、通风、干燥的库房内,远离火种、热源。严格防水、防潮,避免光照。
用于制造聚氨脂胶粘剂。也可直接加入橡胶胶粘剂中,改善橡胶与尼龙或聚酯线的粘接性能。贮存于阴凉、通风、干燥的库房内,远离火种、热源。严格防水、防潮,避免光照。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条