china tree 中文意思是什麼
china tree
解釋
【植物；植物學】楝樹，苦楝。-
Form. taxus chinensis var. mairei is protecting plant in the first class, which is a precious and endangering plant in china in this paper, the quantitative characterics of form. taxus chinensis vsr. mairei population including age structure, spatial distribution pattern, growth dynamics of tree basal area, niche characterics, fractal dimension and competition between specises were studied using methods of mathematics ecology from the angle of population ecology of form. taxus chinensis var. mairei, then the prent state and the endangering causes were analysed. this research offers gist to protecting and enlarging the crude resourse of form. taxus chinensis vsr. mairei population, afforesting plantation and sustainable utilize for us
本文從南方紅豆杉種群生態學的角度、主要應用數學生態學的方法探討南方紅豆杉種群的數量特徵，包括南方紅豆杉種群年齡結構、種群空間格局（探討分佈格局動態規律與生境相互關系） 、不同立地條件下種群優勢度增長趨勢、生態位寬度、生態位相似比例、生態位重疊、空間占據能力及種間競爭等，分析其目前現狀及瀕危原因，期望為南方紅豆杉野生資源的保護和擴大、營造人工林及可持續利用提供理論基礎，也為瀕危植物種群生態學的研究提供參考。 -
Camptotheca acuminata is a tree unique to china, producing terpenoid indole alkaloid ( tia ) 10 - hydroxycamptothecin ( hcpt ) and camptothecin ( cpt ), which possess strong anti - cancer bioactivity. the dynamics of hcpt and cpt during seed maturation, seed germination, post - germinative development and daily growth were measured by hplc ( high performance liquid chromatography )
應用高效液相色譜技術對我國特有樹種? ?喜樹（ camptothecaacuminata ）在種子形成、成熟、萌發、幼苗生長及高溫脅迫過程中喜樹堿和10 -羥基喜樹堿的代謝動態進行了詳盡的研究。 -
Cluster analysis by upgma methods indicated that these five stocks might be divided into three clusters. results of rapd a nalysis suggested that extensive genetic diversity was detected in this species and the genetic divergence among stocks was relatively high ; upgma phylogenetic tree showed there existed three geographic populations of p. polyactis in the yellow sea and the east china sea, which supported the previous conclusion by morphological and ecological methods. part two : the genetic diversity between trichiurus lepturus and eupleurogrammus muticus random amplified polymorphic dna ( rapd ) technique was applied to 12 individuals from each species of the hairtail fishes trichiurus lepturus and eupleurogrammus muticus collected from the yellow sea
50一2 . 44 ） ，群體內和群體間的遺傳變異比例分別為69 %和31 % ;群體間的平均遺傳相似度和遺傳距離分別為0 . 9139和o . q861 ;用非加權配對算數平均法（ unweightedpair - groupmethodofari山m七tiome即s ， upgma ）聚類分析的結果表明，所分析的5個群體可被分為3個地理群系，從分子水平上支持了過去有關學者把黃海和東海的小黃魚劃分為北中南3個地理群系的觀點。 -
The prospects of development in tree genomics are discussed, which may be implicative for accelerating forest tree genomics studies in china
另外，探討了林木基因組學研究的發展趨勢，以期為我國林木基因組學研究提供有益的參考。 -
In china, we say " tree peonies planted in spring will never bloom "
Quot ;春分栽牡丹，到老不開花"的說法。 -
Tree ring is a kind of natural archives, on which the isotopic analysis is important to study global climate and environmental change. the authors mainly provide a comprehensive introduction to the fractionation models of carbon, hydrogen and oxygen isotope in plants, their research techniques and the extract methods from cellulose. that results show isotopic tracer can record the message of climatic variation and has become a powerful tool for paleoclimate reconstruction and for the modern environment changing research. especially studying on pages, the cellulose isotopic analyses of imbedded old tree ring have become the mainly quantitative means of environmental evolvement. in addition, china is a typical monsoon country, research in tree ring stable isotope seasonal variation can give us a lot of important information on that. up to now, the research techniques and works on tree ring in our country are still in its earlier stage, and remain many limitations. it needs further accumulate basic research materials, intensify regional contrast and intercross studies on relative subjects
尤其是在過去全球變化pages研究中，埋藏古木纖維素中的碳氫氧同位素分析已成為環境演化研究的主要量化手段。另外，對于中國這樣典型的季風氣候國家，開展樹輪穩定同位素隨季節性變化的研究具有重要的意義。我國在樹輪研究方面起步較晚，研究方法和研究內容上也比較簡單，還存在不小差距，既要進一步積累基礎資料，又要做區域對比，加強與相關學科的交叉研究。 -
The tree shrew, which was selected as the experimental animal in our research, is he representative tropic and sub - tropic small mammal distributed in the south of china
中緬樹?是分佈於我國南方的典型熱帶、亞熱帶小型哺乳動物。本實驗室的工作主要涉及到ucp1蛋白質及基因序列的研究。 -
Peng yezhang ， ye zhizhang ， zou rujin ， wang yingxiang ， tian baoping ， ma yuanye ， shi liming 1991 biology of chinese tree shrews ( tupaia belangeri chinensis ). yunnan science and technology press ， kunming ， china
21彭燕章、葉智彰、鄒如金、王應祥、田保平、馬原野、施立明1991樹?生物學。雲南科技出版社。 -
There were many reports about severe damage of oil tung tree plantation by soz pollution, which lowered down the income of farmers in the mountain area in southern china. therefore, it is very important to know the mechanism of soz affecting on oil tung. soz pollution is a worldwide environment problem, and has been studied over 100 years
So2對于植物生長發育的影響雖有許多研究，但大都是短時間、高濃度處理和破壞性研究為主；對光合機理影響的研究也是以碳同化為主，而對光合能量轉換及其機理影響的研究很少，對樹木的研究也就更少。 -
According to the assessment & acceptance management characteristics and demands of s & t project in china, this paper discusses and builds the index system of s & t project assessment & acceptance, depicts the stage assessment & acceptance methods, and then constructs the decision model based on c4. 5 decision tree method
根據我國目前科技項目驗收評估管理的特點和要求，討論並建立了科技項目驗收評估的指標體系，闡述了分階段的科技項目驗收評估方法，建立了基於c4 . 5決策樹科技項目驗收評估決策模型。 -
According to fire statistical yearbook of china, combining event tree analysis and fault tree analysis methods, the reason of fire in large - scale public places was analyzed with 76 cases happening in china during 1998 - 2004 and the figure of causality analysis for fire accident in large - scale public places was presented
摘要選擇1998 - 2004年《中國火災統計年鑒》中大型公共場所特大火災事故的案例76起，結合事件樹、故障樹分析方法，分析了我國大型公共場所火災事故的原因，得出了大型公共場所火災事故因果分析圖。 -
Study on polarized characteristics of deciduous tree leaves in northeast of china
東北主要高大落葉喬木單葉的偏振特性研究 -
Ginkgo biloba. l, locally known as baiguo and gongsun tree, is special rare plan in china. at presellt, only one section, one category, one genus exists, so it is called " living fossil " of gymnospenn and be of vital scientific value in botany
銀杏（ ginkgobiloba ）又名白果、公孫樹，是我國特有的珍貴孑遺樹種，也是目前世界上珍稀裸子植物之一，現僅存一科一屬一種，素有裸子植物「活化石」之稱，在植物學上具有重要的科學價值。 -
Vernicia fordii ( oil tung ) is a timber and oil tree with high economic value. occurs originally only in china
油桐（ verniciafordiihemsl ）是我國特有的用材和用油兩用樹種，具有很高的經濟價值。 -
Originating in india, was introduced into china in the 1950s by guangzhous south china botanical garden. when the tree flowers in april or may, clusters of golden petals sparkle on its crown, emanating a lovely fragrance
無憂樹屬蘇木科，原產印度，一九五零年代由廣州華南植物園引入中國，四、五月開花，花色金黃，簇生樹頂，燦爛奪目，芬芳撲鼻，是非常珍貴的植物。 -
The main reason for this trend are as follows : first, some social ideological trends such as post - modernism and humanism are spring up in china ; second, china ' s economical system has transformed from planned to market - orientated economy ; third, a guide line for propaganda " tree familiarity " has been put forward by cpc which can greatly promote the trend of popularization. in the practice, there are some problems coming along with popularization should be noticed, such as dissolution of news value, abusing of incitement, overstepping of media ' s authority, and so on
平民化潮流出現的原因主要是后現代主義和人文主義等社會文化思潮在中國的興起，經濟體制從計劃向市場的轉軌，和黨的「三貼近」指導思想的提出等。在實踐中，與平民化同來的一些問題值得引起注意和反思，例如對新聞價值的消解，煽情主義的泛濫，媒體職能的錯位等。我們必須警惕在平民化名義下的媚俗化趨勢。 -
Water use efficiency of common tree species in the excessive and thick sandland regions of northern china
我國北方多沙粗沙區常見樹種水分利用效率的研究 -
Plough shilting for tree - planting, protecting ecotop in the west of china
退耕還林保護西部生態環境 -
Proposed product of fruit tree research institute of china academy of agriculture science
"中國農業科學院果樹研究所專家推薦產品" ： -
The common jujube ( also know as chinese date or tsao ), is a native fruit tree of ancient lineage cultivated in china for over 4000 years, and is now grown as a fruit tree also in asia, europe and america
根據中國樹木志的記載，棗樹可長高至三十尺，屬"落葉喬木。樹皮褐色或灰褐色，淺縱裂。枝常具皮刺。
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