裸質體 的英文怎麼說
中文拼音 [luǒzhítǐ]
裸質體
英文
gymnoplast-
According to the configuration and ecotope of the earths surface, the coverage of vegetation, occupation ratio of bare sandy land and the soil texture were selected as evaluation indexes by using the field investigation data
利用外業調查數據，依據地表形態和生態狀況的變化，確定了植被蓋度、裸沙地佔地百分比和土壤質地3項評價指標，並建立了基於遙感的科爾沁沙質荒漠化評價指標體系，其中裸沙地佔地百分比用混合像元分解的方法獲得。Because the ore has been mined for long time, the nature geological environment has been getting worse and worse, such as the baldness of mountain body, the rock is weathered to pieces, a lot of loose material distributing along the gully and its banks, the disaster of debris flow is seriowsly, and the production of the mine is constrained by debris flow disaster ; for example, a debris flow broke out on august 1999 and resulted in catastrophic hazards to the jingtieshan iron mine, resulted in a huge economic losses of 50 million yuan
鏡鐵山礦是酒鋼最主要的鐵礦石生產基地，礦區山高溝深，地質構造復雜，自然地質環境較差，在長期人為開采活動的影響下，地質自然環境進一步惡化，山體裸露，巖層破碎，大量鬆散固體物質堆積在溝道及溝道兩側，泥石流災害十分嚴重，嚴重製約了礦山的生產與發展。 1999年8月礦區黑溝南溝暴發生了嚴重的泥石流災害，致使礦山停產10多天，造成5000多萬元的經濟損失。The paper summarizes research advances about the developments of somatic embryos in several conifers, which have appeared at home and abroad in recent years, mainly in the effects of medium components in tissue culture and aba on the development of somatic embryos, and cytology, programmed cell death, genes and protein composition related to the development of somatic embryos, and further discusses the developmental mechanisms of somatic embryos and the role of somatic embryos in genetic transformation system
本文綜述了近年來國內外有關裸子植物中幾種松杉類植物體細胞胚發育過程的研究報道，其中主要涉及培養基成分和脫落酸（ aba ）對體細胞胚發育的影響，以及體細胞胚發育在細胞學、細胞程序性死亡、相關基因和蛋白質組學等方面的研究進展，並進一步討論了松杉類植物體細胞胚的發育機理，以及體細胞胚在遺傳轉化系統中的作用。
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