種子學 的英文怎麼說
中文拼音 [zhǒngzixué]
種子學
英文
spermology-
They are jinfo mountain in nanchuan county ( natural protection section ), wuling mountain in qianjiang county ( national emphases forest demonstration county which forest cover rate is beyond 50 % ) and zhongliang mountain in beibei county ( artificial destruction is very grave ). some main land use patterns i. e. woodland, garden, infield, abandon infield, shrub and grassplot are selected in those three sample sites. four aspects on soil fertility index of karst environment under different land use patterns in these three sample sites, are revealed in this paper, by using the field test, indoor measure and analysis, outdoor experiment and field investigation, and the knowledge and technique of soil, ecology, physics and chemistry etc. they are physical characteristic ( effective soil thickness, organic layer thickness, soil texture, water - stable aggregate and soil water etc. ), chemical fertility ( organism, omni - n, omni - p, omni - k, alkali - nitrogen, available p, available k and rapid available k etc. ), soil animalcule ( bacteria, fungi, actinomyces and their grosses ) and soil - seed - pool ( plant community diversity index ) in karst ecosystem
本研究以重慶市的南川金佛山（自然保護區） 、黔江武陵山（國家重點退耕還林示範縣，森林覆蓋率50以上）和北碚中梁山（遭人為破壞嚴重）典型巖溶區為對象，選擇了幾種重要的利用方式，包括林地、果園、耕地、棄耕地和灌草坡，採用野外巖溶生態調查和室內試驗測量分析相結合的方法，以不同土地利用方式巖溶土壤肥力為重點，對不同土地利用方式土壤肥力特徵進行量化分析，找出巖溶土壤肥力差異的主要方面及其根本原因，論文主要從土壤剖面物理退化指標（有效土層厚度、有機質層厚度、質地、團聚體、水分含量等） ，化學肥力退化指標（有機質、全n 、全p 、全k 、堿解n 、速效p和速效k等） ，樣地土壤微生物指標（細菌、真菌、放線菌數量及總量）以及樣地土壤種子庫植物群落多樣性等4個方面對重慶典型巖溶區的土壤肥力特徵進行了較為詳細的分析研究，為巖溶地區士壤資源的合理利用及結構的調控管理提供依據。Our previous studies showed existence of apoplast cam in the plant cell and cam had many extracellular functions. so it supposed cam may be one of important extracellular polypeptides and trigger the intracellular signal transduction by binding the receptor. in this study, radiolabelled ligand is used to investigate the binding characteristic of cam and a. thaliana protoplasts. and chemical crosslinking is employed to explore binding proteins in the membrane. at first, ( 35 ) ~ s - cam was produced using ( 35 ) ~ s - labeled amino acid mixture in e. coli. sds - page and autoradiograph indicated high - purified, high - specific radioactivity ( 35 ) ~ s - cam was obtained. electrophoresis of ( 35 ) ~ s - cam is the same as that of unlabeled cam with ca ~ ( 2 + ) or egta ; a quatitive of protoplasts was prepared by enzymolysis
首先，用~ （ 35 ） s標記的氨基酸混合物喂養工程菌成功地制備了~ （ 35 ） s標記的擬南芥鈣調素（ ~ （ 35 ） s - cam ） ， ~ （ 35 ） s - cam純度高、放射活度高、 ca ~ （ 2 + ）與egta存在時的電泳行為與未標記cam相同，可作為一種高靈敏性的探針用於進行受體學分析實驗；用擬南芥種子誘導愈傷，通過酶解制備了大量原生質體。Taxus chinensis vsr. mairei population is very oblivious from seeding stage to mature tree stage. the patterns were consistant with the ecological and biological characteristics of form. taxus chinensis var. mairei which were valuable and rare and in severe danger. in this paper, logistic model and liu - logistic model were proposed to approach the growth dynamics of tree basal area of form. taxus chinensis var. mairei population
南方紅豆杉幼苗表現為較強的聚集分佈，除與種子的散布有關外，生境條件的差異是重要原因之? ，其它發育階段表現為明顯的隨機分佈，表明它在自然群落中分佈的概率很小，反映了南方紅豆杉珍稀瀕危的生態生物學特性和特徵。Botanists have long known that the development of seeds and fruits often causes leaves to turn yellow and die.
長期以來植物學家認為種子和果實的發育往往使葉子變黃和枯死。The grass, known as the brome of ardennes, bromus bromoideus, is belgium ' s only endemic species and was thought to be extinct until dave aplin, a british botanist working at the national botanic garden of belgium, came upon some preserved seeds by accident
是比利時地方特有物種。這種植物曾被認為難逃滅絕的危險，直到在比利時國家植物園工作的英國植物學家黛夫阿普林在偶然情況下發現了一些保存完好的植物種子后，雀麥草的命運才得以改變。Cubic boron nitride ( cbn ) is a synthesized wide - band - gap iii - v compound semiconductor and has lots of excellent physical and chemical properties. it has been attracted a nice bit of attention for years because of its application in mechanics, calorifics, optics and electronics
立方氮化硼（ cbn ）是一種人工合成的寬帶隙-族化合物半導體材料，它有許多優異的物理化學性質，在力學、熱學、光學、電子學等方面有著非常誘人的應用前景，多年來一直吸引著國內外眾多研究者的興趣。Physiological effects of naa and sa on seed germination of cornus officinalis
水楊酸和萘乙酸對山茱萸種子萌發的生理學影響In the system, the collimation semiconductor laser - scanned beam scanning two perpendiculars direct of one plane of the measured workpiece at the same time is made. the beams with the dimension information of two perpendiculars direct are processed by the scanning receive system, the high - speed photoelectric transition and electronic data process. two measured results of the diametric directs and ellipse tolerance, etc, parameter, of the turning workpiece on the same plane are obtained by non - contact automatic measurement
在單向激光掃描檢測技術的基礎之上，提出了一種雙向激光掃描檢測系統，其採用激光掃描檢測技術與特殊光學系統相結合，用準直半導體激光掃描光束對被測工件徑向某一截面的兩個相互垂直方向同時掃描，經掃描接收光學系統、高速光電變換、電子學系統和微機數據處理系統，對將攜帶有垂直方向被測量信息的光束進行處理，實現了回轉體工件同一截面兩個垂直方向的徑向尺寸和橢圓度等參數的非接觸自動測量，解決了同時非接觸測量回轉體零件同一截面兩個徑向尺寸的難題，它具有高速，高精度和非接觸自動測量等特點。The chemical analysis of the soil extracted solution has shown that the soluble salt in the soil is predominated by the divalent ions ca2 + and mg2 + which mean that the soil aggregates have been chemically stable during the field experiment
同時，對土壤浸劑液的化學成分的分析結果表明，浸提液中二價的鈣、鎂離子占優勢，這使土壤微團聚體處於一種化學穩定的狀態。This experiment to adopt the method that paraffin was cut into slices studied the structural growth process on appearance and dissect of pugionium cornutum ( l ) gaertn in germination period and young sprout ; and to adapt wild flower, fruit, seed and cultivated root, stem and leaf of pugionium cornutum ( l. ) gaertn in leaf lushing period and leaf exhausting period from eerduosi city proceeded the research on appearance and anatomies. the result enunciates : the organs of pugiorium cornutum ( l. ) gaertn in root, stem and leaf have started dividing in germination period ; the transporting tissue and storing water tissue in young sprout period has been divided ; the ransporting tissue is flourishing, but the supporting tissue is unflourishing, so the root, stem and leaf of pugionium cormutum ( l ) gaertn is suitable for edibility
本試驗採用石蠟切片研究了沙芥發芽期、幼苗生長期各器官形態及解剖結構的變化過程；並對采自鄂爾多斯市野生沙芥花、果實、種子及人工栽培的葉片旺盛生長期、葉片生長衰退期的根、莖、葉等材料進行了形態及解剖學研究，結果表明：沙芥發芽期根、莖、葉各器官內組織已開始分化；幼苗期已分化出發達的輸導組織及貯水組織；葉片旺盛生長期各器官具有發達的輸導組織，但機械組織不發達，因此沙芥的根莖葉適于食用。The size and shape of the seeds, and the position of the hilum are of no important systematic significance, but the protruding degree of the hilum, the shape of the testa cells and the pattern of their cell walls, particularly the appendages of the in ner side, are of important value in the phylogenetic consideration of the tribe hyoscyameae
各屬植物的種子大小、形狀及種臍著生位置的系統學意義不大。但是，種臍突出與否、種子外種皮細胞形狀和周壁式樣，尤其是周壁內側附屬物等性狀具有較大的分類學意義。The cuticular membrane in the species of physochlaina is simultaneously striate, granular and scaly, while only striate, or occasionally granular in the species of hyoscyamus. 2. seed morpholoy seed morphology of 25 species in seven genera of the tribe hyoscyameae and three related genera was investigated under sem for the first time
種子形態學在掃描電子顯微鏡下首次全面研究了天仙子族及顛茄屬和茄參屬等共10屬25種植物的種子形態學特徵，結果表明：該族植物種子表面紋飾有腦紋狀或近腦紋狀和網狀兩大類，除了山莨菪屬anisodus和hyoscyamusStudy on the chemical constituents from seeds of sophora japonica l
槐樹種子的化學成分研究After the seminar, many enthusiastically enquired more about master s teachings and many learned the convenient method. numerous spiritual seeds were thus planted in johore bahru
講座之後，許多人熱切地想再進一步了解師父的教理，報名學方便法的來賓也很多，靈性的種子已深植人們心中。Morphology and biological characters of seed of magnolia sieboldii k. koch
天女木蘭種子形態及生物學特性Research on the identification of larch seeds by immunoserology
免疫血清學方法鑒別落葉松種子的研究A novel phase - shifted zero - voltage and zero - current switching pwm dc / dc full - bridge converter is presented in this thesis, which is based on the groundwork of summarization of the development of power electronics in recent years and lucubration in theoretical basis of modern high frequency soft switching power convert technique and analysis of operation principle, characteristic of the circuit and inherent drawbacks of the traditional phase - shifted zero - voltage switching pwm dc / dc full - bridge converter
本文在對近年來電力電子學科的發展高度綜述和對現代高頻軟開關功率變換技術理論基礎深入研究的基礎上，對傳統的移相控制zvspwmdc dc全橋變換器的工作原理、電路特性、存在的缺點進行了分析，在此基礎上提出了一種改進型的移相控制zvzcspwmdc dc全橋變換器。Growth retardants are chemicals that limit the elongation of stems without malformation of leaf, stem, or flower.
生長延緩劑這種化學藥劑只是限制莖的伸長，而不會使葉子，莖或花變畸形。Dijk e, eck n d. effects of mycorrhizal fungi on in vitro nitrogen response of some dutch indigenous orchis species. can j bot, 1995, 73 : 1203
郭順星，徐錦堂.促進天麻等蘭科植物種子萌發的真菌發酵液的抑菌作用.中國藥學雜志， 1990 ， 25 （ 4 ） ： 200The methods of classical classification, integrating the study on seed morphology and leave epidemics morphology, along with phytomorphology, phytotomy, phytoembryology, palynology, phytocytotaxonomy, phytochemistry and molecular systcmatics, were used to revise and complete the former taxonomic system
以經典植物分類學方法為基礎，結合種子形態學和葉表皮形態學的實驗研究，參考植物形態學、植物解剖學、植物胚胎學、孢粉學、植物細胞分類學、植物化學和分子系統學等方面的資料，對前人的五味子屬分類系統進行修訂和補充。分享友人