cotyledons 中文意思是什麼

cotyledons 解釋
胎盤母面絨毛小葉
  1. Sakers and aspirators separate the hull from the cracked cotyledons and rollers flake them.

    皮殼與破碎的豆瓣，通過振動篩和吸殼器彼此分離，豆瓣由滾輪壓成片。
  2. Older leaves ( except sometimes the first leaf and also cotyledons ) show bright yellow or orange blotchy interveinal chlorosis, leaf margins are inrolled. tips of leaflets scorch and leaves wither

    番茄缺鉬葉片：老葉（除此之外第一片葉和子葉有時也會）出現嫩黃色或橙色斑點的葉脈脈間失綠，葉緣不捲曲，葉尖端枯萎，葉片脫落。
  3. The cotyledons of the mature embryo are either green, yellow or chalky yellow.

    成熟胚的子葉是綠色，黃色或淺黃色。
  4. The embryo consists of two large fleshy cotyledons.

    胚有兩片大而肉質的子葉。
  5. The development of the soybean seedling is dependent on the food reserves stored in the cotyledons.

    大豆幼苗的發育依靠子葉中所貯存的養分。
  6. During development of the seedling, the hypocotyl forms the lower portion of the stem from the radicle up to the cotyledons.

    在幼苗發育期間，下胚軸從胚根到子葉的莖的下部形成。
  7. Two cotyledons have come out from the seedling

    小苗長出了兩片子葉。
  8. Cotyledons play an important part in the early stages of seedling development

    子葉在種子發育的早期起到了重要的作用。
  9. Wounded cotyledons of four - day - old seedlings of lettuce ( lactuca saliva l. )

    外植體在無抗生素的誘芽培養基（ ms 0
  10. Embryo culture and plant regeneration from cotyledons in interspecies hybrids of cherry

    櫻桃種間雜交種胚培養及子葉植株再生
  11. 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。
  12. According to the space - tim e maturation during the development of the vessel elements in primary vascular system : the vessel elememts of the cotyledons and the lower portion of cnz formed firstly, then downward hypocotyl - root zone, at length, the vessel elememts of the upper and middle portion of cnz and epicotyl - shoot region connected with each other, the result uphold the seedling partition model that divides seedling into cnz, hypocotyl - root region and epicotyl - shoot region

    根據金魚草幼苗初生維管系統導管分子發育的時空性，即子葉和子葉節區下部導管分子先形成，然後向下形成下胚軸-根區的導管分子，最後子葉節區中、上部與上胚軸-苗區的導管分子再發生連接，據此支持將幼苗分為子葉節區、下胚軸-根區和上胚軸-苗區的幼苗分區模型。
  13. In this paper, genetic transformation systems by agrobacterhim rhizogems was established and optimized and high quality regenerating system was selected. the products of indigotin and indirubin in regenerating plantlets had been detected by hplc. the main studies and results were reported as follows : 1 establishment and selection of hairy root clones taken cotyledons of autotetraploid indigoblue woad as explants and hairy roots induced successfully from them by agrobaterium rhizogenes strains a4 and r1000

    本文利用發根農桿菌rit - dna建立並優化了四倍體菘藍的遺傳轉化體系，並對再生植株的主要代謝產物靛藍、靛玉紅進行了含量檢測，篩選了優良無性系，也為實現外源抗蟲、抗病等基因的導入奠定了基礎。
  14. For example, in the development of the plant embryo from the zygote, one end becomes the radicle, the other gives rise to cotyledons

    例如植物由合子到胚的發育，一端形成胚根，另一端成為子葉。
  15. The main results are as follows : 1 effects of light quality and kt on cotyledon enlargement 5 - d - old seedlings of arabidopsis wild type and mutants were harvested and the cotyledons were cut to use as excised cotyledon or the whole seedlings were used as intact cotyledon. excised and intact cotyledons were incubated in the medium ( ph 6. 0 ) with or without kt under white light ( wl ), red light ( rl ), far - red light ( fr ) and uv - b at 21 ? ? for some periods of time before cotyledon area were determined by a delta - t area measurement system

    主要結果如下：一、光質和ky對于葉擴大的影響白光、紅光、藍光明顯促進5天齡幼苗離體和連體子葉擴大，遠紅光對子葉的擴大效應較弱， uv - b對子葉的擴大有抑制；對突變體的研究表明，紅光下光敏色素b 、遠紅光下光敏色素a 、藍光下隱花色素1對子葉的擴大起主要調節作用。
  16. 3. through the ladder experiment of selecting transformer concentration by hyg, the proper selecting transformer concentration is 20mg / l hyg to tomato cotyledons and 35mg / l hyg to tobacco discs

    經潮黴素梯度篩選試驗，最終確定番茄的適宜篩選濃度為20mg l ，煙草的適宜篩選濃度為35mg l ； 4
  17. 4. after having established genetic transformation system with tomato cotyledons as explant and determined the transformable of preculture time, incubation time and co - culture time, we set up the system of high frequency transformation of tomato cotyledons. then hbmp - 3m gene was transferred into tomato via agrobacterium - mqdiated transformation, and the resistant plants to hyg were obtained. by pcr analysis on part of the putative transformants, we identified that hbmp - 3m gene had been integrated into the genome of part of tomato plants. 5. transferred hbmp - 3 gene into tobacco via agrobacterium - mediated transformation and obtained the resistant plants to hyg. trans genie tobacco plants were confirmed by instantaneous expression of gus gene in calli detection, growth and bio - morphology analysis, hyg - resistant experiment and pcr analysis

    通過pcr檢測證實部分番茄抗性植株中已導入hbmp - 3m基因；人骨形成蛋白一3成熟膚基因和全長基因分別轉化番茄和煙草的研究5 .通過農桿菌介導法將hbmp一3全長基因導入煙草，並且獲得了hyg抗性植株，通過gus基因瞬時表達檢測、轉化植株的生長情況及形態學分析、 hyg抗性鑒定及pc尺檢測，證明目的基因己經整合到煙草基因組中。
  18. Aimed at developing a set of methods efficient in inducing the hairy roots with agrobacterium rhizogenes from trichosanthes bracteata voigt to meet needs for hairy roots for bioreactor culture research and application ; and also in order to investigate the roles of explants, agrobacterium rhizogenes, affecting factors and their magnitude and the underlying mechanism in the transformation, therefore to determine the optimum explants, pre - culture time, tested strain concentration, infection time, co - culture time, affecting factors and their effects working together and to obtain the optimum transforming condition by performing orthogonal test, this project was launched. with cotyledons and stems from trichosanthes bracteata voigt plantlets as explants, agrobacterium rhizogenes r1601 and r1000 as infection agents, transformation was performed using different methods and under various circumstances

    為了建立一種有效的誘導大苞栝樓發根的方法及其發根培養體系，以適合於發根生物反應器擴大培養研究和應用基礎的需要；本研究對誘導發根的外植體在發根農桿菌和環境因子等影響作用下進行發根的誘發及其可能的機理進行探討，從而找出用於發根誘導和培養的最佳外植體、預培養時間、發根農桿菌濃度、感染時間和共培養時間、誘導條件，並通過正交試驗得出優化的誘導條件。
  19. By means of plant genetic engineering, foreign insects resistance gene can be transferred into plant cell. we cloned the cpti gene and transferred it into mustard by agrobacterium - mtdi & ted transformation method. and obtained the transgenic mustard plants. the main results are as follows : 1. isolation of cpti gene total rna was isolated from cowpea seedss cotyledons and leaves. the cpti gene fragment was amplified by rt - pcr using sequences of its two sides as primers

    本實驗是利用植物基因工程獲得抗蟲的轉基因芥菜植株，結果如下： 1豇豆胰蛋白酶抑制劑基因的分離分別提取豇豆種子、子葉及葉片的總rna ，逆轉錄成cdna 。以豇豆胰蛋白酶抑制劑基因兩端的序列為引物，用rt - pcr的熱啟動方法從上述cdna中擴增出目的基因片斷。
  20. In nonendospermic seeds most of the endosperm is absorbed by the developing embryo and the food stored in the cotyledons

    在無胚乳種子胚的發育過程中，大部分胚乳被吸收，養料儲存在子葉中。
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