根出葉 的英文怎麼說
中文拼音 [gēnchūyè]
根出葉
英文
root leaf
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根 :
Ⅰ名詞1 (植物的營養器官) root (of a plant) 2 (比喻子孫後代) descendants; posterity 3 [數學] ...
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South american fibrous - rooted begonias having prominent basal leaf lobes suggesting angels ' wings and racemes of coral - red flowers
南美洲的秋海棠,有纖維性
根,基生
葉上有突
出的裂片、像天使的翅膀,總狀花序、花珊瑚紅色。
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Explants were then transferred onto the selection medium containing 500mg / l carbenicillin and loomg / l kanamycin and incubated at 25, 16 / 8h light / dark cycle. small leaves of adventitious shoots differentiated from explants were cut and dipped into gus staining solution. positive shoots, gus tinted, were induced to root
分化
出的不定芽切下半張
葉片進行gus染色,呈陽性的植株從外植體上切下,在生
根培養基( ms 0刀sing lnaa 50mg幾kan )中誘導
根的形成。
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Monocotyledons and dicotyledons are so termed because they normally conatin one and two cotyledons respectively although there are exceptions
盡管有例外的情況
出現,我們通常還是
根據子
葉的數目為一片還是兩片而把植物分成單子
葉植物和雙子
葉植物。
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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。
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There are many adaptive changes in the two research subjects ( artemisia. songarica schrenk. and seriphidium. santolinum ( schrenk ) polijak. ) in morphology and anatomy, such as with the increase of the daily age, the root - shoots ratio increased ; the root became stronger ; the ratio of leaf volume and leaf area increased ; the volume of epidermic cell decreased ; the cut - icle and phellem layer on the surface of root thickened. stoma caved in leaf ; epidermal hair of leaf and stem well - developed, palisde tissue developed well, the cell gap decreased ; the spongy tissue disappeared ; leaf is kinds of isolateralthat is the typical xeromorphic structure ; crystal cell and fibric cell increased ; conducting tissue and mechanical tissue developed well ; bundle sheath appeared
實驗研究的兩種菊科( compositae )植物(準噶爾沙蒿( artemisiasongaricaschrenk )和沙漠絹蒿( seriphidiumsantolinum ( schrenk ) poljak . ) ) ,形態解剖方面的變化表現為:隨日齡增加,
根長/株高比值日益增大;
根系逐漸發達;體積與
葉面積比逐漸增大;表皮細胞體積變小;角質層增厚;
根外部
出現加厚的木栓層;氣孔下陷;
葉、莖部的表皮毛密布,柵欄組織日益發達;而細胞間隙日漸變小;海綿組織逐漸消失;
葉面結構常為典型旱生結構? ?等
葉面;晶細胞及纖維細胞數目增多;輸導組織、機械組織日漸發達;具有維管束鞘等等。
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In recent years, the water - saving and control irrigation technique of rice has diverted from plot experimental and demonstration to lare scale. and has got remarkable economic and social benefits. amed at the characteristics of this irrigation area, optimal selection for water - saving techniques of rice, deciding the amout of leaching water and irrigation modles, investigating the adaptability of the water - saving and control irrigation technique in saline land. studying the increase in production mechanism of the technique are important to extend the technique, to better and develop saline land as well as slick spots. according to the results of field experiments, optimization study was conducted on the water - saving irrigation technique of rice in saline land, the effects of different water - saving irrigation techniques on the physiological indexes and yield of rice were systematically analyzed. by using mutiplepurpose fuzzy optimization method, better. water - saving irrigation technique was selector out, that is. the control irrigation technique in rice. the mechanism of it was analyzed from the aspect of the physiological and ecological saving water of rice to provide the implemental process and technical point ; throgh the quantitive analysis and comparision on control irrigation and control class ( flood irrigation ), high production and quality mechanism of the technique was analyzed in terms of physiology indexes of rice, the variation of soil moisture, the pest resistance and the lodge resistance, the change of soil temperature in paddy fields. the yield constitutive factors, the quality of rice and so on. in saline land. control irrigation and intermittent leaching modles were adopted to validate the adaptability of the technique in irrigation of rice in saline land, to analyze rice ' s physiological - ecological indexes and the change of soil salt content under the conditions of control irrigation leaching of rice and and to provide control irrigation and combined modle of intermittent leaching to adapt to different conditions
本文從試驗及試驗資料入手,取得以下主要成果和結論:對鹽堿地水稻節水灌溉技術進行優化研究,系統地分析了不同節水灌溉技術對水稻生理指標及產量的影響,採用了多目標模糊優化的方法,對灌水技術進行綜合評判,優選了節水灌溉技術,論證該地區宜採用水稻控制灌溉技術;闡述控灌技術通過調節和控制水稻的需水規律,降低水稻高產情況下的無效水量消耗,從水稻生理、生態節水兩方面分析了控灌技術節水機理,針對性地總結
出水稻各生育期實施節水控灌技術的步驟及技術要點;通過控灌與淹灌的定量對照比較,從
根系、莖蘗、冠層
葉片及綠
葉動態到株高,土壤水分變化,抗病蟲害、抗倒伏能力,稻田土溫變化,產量構成因素及稻米品質等諸多方面進行動態比較,分析控灌技術高產優質機理;在鹽堿稻地採用控制灌溉+間歇淋洗模式,跟蹤測試田間水鹽變化狀況,驗證控制灌溉技術在鹽堿地區水稻灌溉中應用的適應性,通過分析水稻控制灌溉淋洗條件下水稻生理生態指標,提
出優化控制灌溉+間歇淋洗組合模式,為進一步在高礦化度地區試驗水稻控灌技術奠定基礎。
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42 trees are obtained and the 13th is most acceptable. the results show that the evolutionary inclination of forewing and hindwing of empoascini is that the forewing evolved from these whose veins of mp " are derived from cell r, to these whose mp " from cell m, and the most advanced taxa include these whose 3 distal veins are derived from cell m. the hindwing are evolved from these whose cua is branched and the mp " + cua " is presented, to those whose cua is unbranched and mp " + cua " disappeared, based on the above analysis, the genera of empoascini can be divided into two groups : one group includes these whose mp " + cua " are present, the other consists of those whose mp " + cua " are disappeared
在系統發育方面,應用hennig86 ( version1 . 5 )軟體,
根據中國小綠
葉蟬族40個屬及外群dikraneura ,首次研究了該族的系統發育關系,
根據研究結果初步提
出了該族前、后翅脈的進化方向,即該族前翅翅脈呈現
出mp脈源於r室,逐漸進化到mp脈源於m室,最後前翅3條端脈皆源於m室的趨勢;后翅翅脈由cua脈端部分二叉,進化到后翅cua脈端部不分叉、 mp + cua脈退化的趨勢。
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However, only a few host factors with clear in vivo function have been identified. by using pcr and 5 " and 3 " race, we were able to clone a homologue ( named ttom1 ) of arabdopsis thaliania host factor gene, tom1, which supports the replication of tobacco mosaic virus
根據從擬南芥中已經克隆的支持煙草花
葉病毒復制的基因tom1序列設計一對特異性引物,用rt - pcr的方法獲得番茄同源基因的部分序列,然後利用5 』 race與3 』 race方法從番茄中克隆
出全長ttom1基因。
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Hydrophytes show certain adaptations to such habitats, notably development of aerenchyma, reduction of cuticle, root system, and mechanical and vascular tissues, and divided leaves
水生植物表現
出適應水生的特性:具有發達的通氣組織;表皮、
根系、機械組織、維管組織退化;
葉片分裂;
葉片、
根和莖中均具有通氣道或氣腔。
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Cotyledon and hypocotyl ' s rate and quamity are the most among these explams, and callus can be obtained in 10 days by cotyledon and hypocotyl. reversely it is difficult to indue callus with root, and the callus from root is lnde and easy to become browning. the calius obtained from leaf grows very slow and does not become browning uniill in 2 or 3 months
銀杏的不同器官和組織都能夠誘導
出愈傷組織來,其中,子
葉和胚軸10d左右全部愈傷化,誘導速度和誘導率均最高,
根則很難誘導,愈傷組織很少,褐化很快;
葉片誘導的愈傷組織,生長慢,褐化也慢,在培養基上保持兩三個月而不褐化;胚乳的誘導時間也較長,需要30d左右。
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The flames of fear erupted again a year later when cornell university entomologist john losey and his colleagues reported that they had fed milkweed leaves dusted with bt corn pollen to monarch butterfly larvae in the lab and that those larvae too had died. that was the straw that broke the camel ' s back says david pimentel also an entomologist at cornell
一年之後,美國康乃爾大學的昆蟲學者洛西等人提
出報告,他們以沾有bt玉米花粉粒的馬利筋
葉餵食大樺斑蝶幼蟲,結果那些幼蟲都死了。疑懼之火再度燃起。 「這是壓垮駱駝的那
根稻草。 」
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In planting ratoon sugarcane, " four early " : ploughing soil so as to loose sugarcane sprout, applying fertilizer during seedling so as to provide necessary nutrition for growing early and rapidly, early thinning out and singling seedling with shelling sear leaves so as to insure available populations and ventilation, controlling diseases and pests so as to ensure sugarcane seedling orderly, full and healthy
宿
根蔗突
出「四早」管理,即早破壟松蔸,促進蔗蔸萌發;早施苗肥,促進蔗苗早生快發,保證養分有效供給;早間苗、定苗,及時剝除枯腳
葉,確保甘蔗有效群體和田間通透性;早防治病蟲,保證苗齊、苗全、苗勻、苗壯。
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2 comparative study on morphology in the light of the form of the materials, hup shows more approximate relationship with gri : they are 50 ~ 70cm high at the period of fructescence ; both are perennials and reproduce themselves by root stock, and especially, hup can also reproduce itself by branch roots and buds growing from stipes when the stems fall againt the ground, and then those buds develop into new bodies ; while gri can reproduce itself not only by vegetative propagation but by seeds. both of hup and gri characterize with bigger leaf blade and with the approximate form of simple leaf, with root stock, and with two - line seeds in one fruit
2形態學比較從形態上來看,新種hup與分佈海拔高度相近的gri比較接近:植株體高大,果期株高50一7ocm ;都為多年生,能以其
根狀莖繁殖,但前者還以較為特殊的營養體繁殖後代,即倒伏后每個莖節上長
出新的
根和芽,發育成獨立的新植株,後者既能以營養體繁殖,又可通過種子繁殖;具有較大的
葉片且單
葉形態相近,果實內有二行種子(其它種為一行) . 。
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On the ground of educative theory, this paper exposits connotation and characteristic of project - based learning and why we should also enforce project - based learning in high school. as far as substance of project - based learning and objective circumstance what it should have are concerned, it points out the practical ability. at last, based on that university physics education has relatively longer cycle, it proposes stage pattern for enforce project - based learning and give two concrete cases, which discuss capacitance of confocal oval - shaped stylar capacitor and potential distribution of charged conductor of surface being uniparted hyperboloid
本文在具體的教育理論指導下,闡述了研究性學習的內涵及特點;在大學物理中實施研究性學習的意義;以及就研究性學習的實質和所需具備的客觀條件而言,論述了研究性學習在高校中實施的可行性;並
根據大學物理教育具有周期性相對較長和專業循序漸進的特點,提
出了研究性學習的階段性模式,並給
出了具體的實例,利用保角變換法討論了共焦橢圓柱形電容器電容及單
葉雙曲面帶電導體的電位分佈。
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The paper made an ecological anatomy, a cultivation experiment on the lime - soil habtat and an analysis on the diurnal variation of photosynthetic an transpiration rate from three aspects of morphology, transplantation, physiology. the conclusion is that : ( 1 ) from the viewpoint of morphological anatomy, it has typical xerophyte structure such as strong root system, small leaf area, dense floss under the leaf surface, high stomatal density, the small opening degree, developed vessels and palisade tissues etc
從形態學、栽培學和生理學三方面對迷迭香進行生態解剖、石灰土上的栽培實驗以及光合蒸騰速率日進程的分析,得
出以下結論: ( 1 )在形態解剖上:迷迭香具有發達的
根系,較小的
葉面積,
葉片下表面密被絨毛,氣孔密度大,開度小,厚的角質層和發育良好的木質部和柵欄組織等典型的旱生結構。
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Adventitious shoots could be rooted and formed regenerated plants on 1 / 2 ms medium supplemented with naa0. 4mg / l. hairy roots could be induced from the basal surface of the explants 8 days after inoculation of a. ficoidea cv. " ruliginosa " leaf explants with a. rhizogenes atcc 15834
紅龍草
葉片外植體被發
根農桿菌atcc15834感染8d后,從形態學下端
葉脈處陸續分化
出乳白色的不定
根, 21d后,
葉片外植體的生
根率高達92 . 5 。
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The regeneration system of tobacco was established. the adventitious shoots were induced from leaf explants of tobacco based on ms basal medium supple - - mented with 2. 0mg / l 6 - ba and 0. 3mg / l naa. then the regenerated plants were rooted on ms medium containing 0. 3mg / l naa
植株再生體系的建立採用無菌苗煙草
葉片為外植體,以ms為基本培養基,篩選
出ms + 6 - ba2 . 0mg l + naa0 . 3mg l以誘導不定芽的分化,並於ms + naa0 . 3mg l的pa碩士學位論文v沉了砂「工隊nk 」主
根培養基上生
根,獲得完整再生植株。
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On the contrary, stem - derived forms of clonal plants more f requently occur in colder and drier habitats corresponding to higher latitude and / or higher elevation. individual types of clonal growth with sprouting are more frequent in warmer and wetter habitats, such as shrub forest, broad - leaves forest and bamboo forest. individual types of clonal growth with rhizome are more frequent in colder and drier habitats, such as alpine shrub forest, grassland and desert steppe
根起源克隆植物中,
根出條型植物的生境條件和
根起源克隆植物的相同,
出現在灌叢、闊
葉林和竹林中的頻率較高;莖起源克隆植物中,
根莖型植物的生境條件和莖起源植物的相同,
出現在水生植被、草甸和草原中的頻率較高,而匍匐莖型植物在較溫暖、濕潤、陰郁的生境中
出現頻率較高。
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Root leaf. i cook
根出葉,我來燒
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First, this paper construct the mathematical model of blade according to the original data point of blade surface with 23 degree nurbs ( non - uniform - rational b - spline ) surface
首先,本文根據葉片型面原始型值點數據信息,提出了較合理的數學模型,採用23次非均勻有理b樣條擬合葉片型面,成功的擬合了葉片空間型面。