采種林分 的英文怎麼說

中文拼音 [cǎizhǒnglīnfēn]
采種林分 英文
nurse-crop
  • : 采名詞(采地) feudal estate
  • : 種名詞(姓氏) a surname
  • : 名詞1 (成片的樹木或竹子) forest; woods; grove 2 (聚集在一起的同類的人或事物) circles; group 3...
  • : 分Ⅰ名詞1. (成分) component 2. (職責和權利的限度) what is within one's duty or rights Ⅱ同 「份」Ⅲ動詞[書面語] (料想) judge
  • 林分 : [林學] standing forest; stand; crop; forest stand林分測定 inventory of stand; 林分改造 stand conversion
  1. Seven plots selected from wanglang reserve were distributed in different types of forest and at different altitude, and different plot has different microclimate. soil property, microbial population, soil nutrient content of forest soil were determined in wanglang natural reserve, from may to october 2002 to july 2003, the ecological distribution of three main groups, bacteria, actinomycete and fungi were determined in the forest soils by the cell enumeration methods. six kinds of physiological groups, including ammoniation bacteria, nitrification bacteria, nitrosification bacteria, aerobic autogenesis azotobacter, aerobic cellulose - decomposing bacteria and anaerobic cellulose - decomposing bacteria were enumerated by the most - probable number ( mpn )

    2001年10月在王朗自然保護區內設立了3個定位研究樣地和4個臨時樣地,通過多次現場樣與室內實驗析,測定了白樺、岷江冷杉、紫果雲杉、繡線菊-羊茅群落、羊茅群落及高山柳灌木叢等6不同植物群落內土壤微生物三大類群數量、功能微生物數量、土壤養,並在固定樣地內使用埋袋法進行了三個埋藏深度的凋落物解袋試驗,初步研究了枝條、闊葉、針葉等凋落物組在不同解階段所含養的動態變化。
  2. Samples was only 0. 37 which was the smallest among coefficients ; tl, t2, t3 and t4 which came from gaozhuang plantation, mianyang, sichuan, and t5, t6, t7, which came from laohegou planation, mianyang, sichuan, were clustered two groups. the greatly genetic variations in samples of gastrodia elata bl. in different areas and altitude were revealed though the analysis of the tree plot

    從總體上看,自高莊場的n , t2 , t3 , t4和老河溝育場的t5 , t6 , t7及自雅安地區的t9 , t8可以聚為兩大類,說明由於地理佈和海拔高度的不同,天麻內的dna存在較大的變異性。
  3. In this research project, the agrobacterium tumefaciens mediated transformation of badh gene of tetraploid black locust has been studied, for the purpose of improving resistance to soline - alkali and drought of tetraploid black locust ; of playing more important role in developing of waste lands, ameliorating of soline - alkali soil, and greening and beautifying of surface - mined lands, mine waste dumps, slopes of roads and railroads where restoration of vegetative cover has proven difficult ; of fully making benefits of its ability to fix atmospheric nitrogen in the soil

    為了進一步提高四倍體刺槐的耐鹽性和抗旱性,進一步擴大其適宜植的生態范圍,充發揮其固氮、改良土壤的特性,在我國的城鎮綠化、荒山造、鹽堿地改良以及礦跡地、公路、鐵路邊坡等植物生長困難土地的植被恢復中發揮其優勢,本實驗對四倍體刺槐進行了農桿菌介導的甜菜堿醛脫氫酶基因轉化的研究。
  4. The discovered balin stone lies in a shallow earth. most of them are revealed near the ground. there are two major kinds named water pit and mountain pit

    已發現的巴石埋藏較淺,許多為近地表開。其主要品為凍地石和與山坑石。
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