繁殖體 的英文怎麼說
中文拼音 [fánzhítǐ]
繁殖體
英文
brood body-
Newcastle disease virus ( ndv ) strain 695, a thermostable nature avirulent strain, were replicated in embryonated chicken eggsand its rna was extracted from allantoic fluid. referred to the reported sequence of f gene, a pair of primers were designed and synthesized. f gene of ndv b95 strain was amplified by rt - pcr, the pcr products were checked by agrose gel electrophoresis and purified by agrose gel fracion method
利用從國外引進的新城疫熱穩定性天然弱毒b _ ( 95 )株接種spf雞胚繁殖病毒,經處理后提取病毒的基因組rna ,參考國內外發表的ndv融合蛋白基因序列,設計一對特異性引物,經反轉錄聚合酶鏈式反應( rt - pcr )擴增出約1700bp大小的特異性片段,將此片段回收純化后,利用t - a克隆技術將其克隆到pgem - t - easy克隆載體中,再轉化大腸桿菌jm109感受態細胞,轉化后經分子量比較、 pcr鑒定和酶切分析篩選陽性克隆。Tissue culture and high frequency propagation of opuntia milpa alta haw
食用仙人掌的離體培養及其快速繁殖Malaria is caused by protozoan parasites which thrie in humans and are passed between them by female anopheles mosquitoes
瘧疾由瘧原蟲引起,這種原蟲在人體內繁殖,並通過雌性按蚊傳播。A group of organisms having common ancestors and certain distinguishable characteristics, especially a group within a species developed by artificial selection and maintained by controlled propagation
屬一群擁有共同祖先和明顯特徵的有機體,尤指屬于同一物種的一群,通過人工選擇來發展,通過有控制的繁殖來維持Monitoring the whole avifauna ( community ) both in breeding season and non - breeding season. individual and population are good indicators of environment pollution, and there are still some questions about the guild monitoring and community monitoring. finally, we surveyed bird species and relative abundance in three areas of the upper reaches of minjiang river during both summer and autumn
普遍意義上的用鳥類監測環境主要包括: 1監測某一種的繁殖期和非繁殖期(冬季)種群; 2監測不同種的種群動態; 3監測整個鳥類區系的種群動態和群落動態,也就是( 1 )種群及個體; ( 2 )種團; ( 3 )群落三個層次。In vitro clonal propagation of balsam pear in vitro clonal propagation of balsam pear
用離體培養無性繁殖苦瓜A genetic transformation model for the brown seaweed undaria pinnatifida has been primarily set up by using micro - particle bombardment as the method, female or male gametophytes as the gene recipients, hybridization as the regeneration route and chloramphenicol, hygromycin or basta as selective reagents
本文從轉化受體、轉化方法、報告基因、再生途徑、篩選方法等方面對裙帶菜的遺傳轉化進行了研究。首先,分離並建立了裙帶菜雌雄配子體的無性繁殖系,進行了裙帶菜的不同再生途徑的研究。The results are summarized as follows. solid culture. in preliminary experiments, broomcorn millets ( yielded by the crop panicum miliaceum l. ) and foxtail millets ( yielded by the crop setaria italica l. ) were determined as optimal substrate for solid culture of p. delphacis
主要研究內容和結果分述如下:固體培養篩選確定了以黍米( panicummiliaceuml . ,俗稱黃米)和粟米( setariaitalical . ,俗稱小米)為最適固體培養基質,對飛虱蟲癘霉進行了成功的繁殖試驗。A "vegetative propagule" is any type of vegetatively propagated tree.
「營養繁殖體」是任何類型的無性繁殖樹木。They quickly inactivate vegetative forms, but their sporicidal action is slow
它能迅速滅活繁殖體,但其殺孢子能力低。We investigated early growth and mortality of k. candel seedlings under the mangrove canopy and bare tide flat across a tidal gradient
這說明胎生紅樹植物的繁殖體脫離母體后幼苗的生長對母體的一種依賴性。The paper also studied the survivorship, early growth and leaf photosynthetic characteristics of kandelia candel seedlings planted in the tidal mangrove area of zhangjiang estuar y of yunxuao, fujian
由花期轉入果期的木欖繁殖體,種子不經休眠而在母樹上發芽並從果實中伸出胚軸。When the substrate salinity was higher than 30, the germination rate of a. corniculatum declined sharply with increasing salinity, whereas the germination rate of b. gymnorrhiza was independent of salinity
桐花樹成熟繁殖體低含水量、低滲透勢以及遠高於海水密度等方面的特性,有利於果實脫落後胚軸迅速吸水和定植長根。Length, diameter, density, fresh weight, dry weight, water content, osmotic potential and element concentrations ( ca, mg, na, k, cl ) were determined for each. seedling of b. gymnorrhiza and a. corniculatum were cultured for 60 days on various salinity of seawater ( 0, 5, 10, 15, 20, 30, 40, 50 ) in green house. samples were taken at 3, 7, 11, 15, 22, 30, 45 and 60 days after planting, separated into root, hypocotyl, stem and leaf
本文研究了福建九龍江口木欖和桐花樹胎生繁殖體從果實形成到發育成熟過程中形態、生物量、含水量、胚軸密度、滲透勢、五種主要礦質元素( ca 、 mg 、 na 、 k 、 cl )等的變化和溫室內人工鹽度梯度栽培下木欖和桐花樹成熟繁殖體長成幼苗( 0 60d )過程中形態、生物量、含水量、滲透勢、光合蒸騰特性、五種主要礦質元素( ca 、 mg 、 na 、 k 、 cl )等的變化;並且在野外自然條件下,跟蹤調查不同灘塗位置下秋茄成熟繁殖體定居成活、自然死亡狀況以及測定幼苗生長過程中( 1年)形態、生物量、含水量、光合蒸騰特性等的變化。On the contrary, the density of mature hypocotyls of a. corniculatum was much higher than seawater, they tend to sinking and grow around their parent plant
桐花樹為隱胎生紅樹植物,即繁殖體在整個生長發育階段,胚軸未露出果皮之外。After 1 year, the survival rates of seedlings planted in k. candel forest, avicennia marina forest and at bare tidal flat were 54. 7 %, 13. 7 % and 76. 0 %, respectively. insect and crab feeding were the main cause of lower survivorship of k. candel seedlings under a. marina forest. among the surviving k. candel seedlings, seedlings at bare tidal flat grew much better in terms of height, diameter, leaf production and biomass than did under the a. marina forest and k. candel forest
高鹽( 30 % 0一50 % 0 )影響桐花樹幼苗的萌發; o一30 % 0鹽度下桐花樹幼苗的凈光合速率、蒸騰速率和氣孔導度都表現為低鹽促進,高鹽抑制的變化趨勢;無鹽條件下幼苗的凈光合速率明顯低於5 ~加% 0鹽度:桐花樹胎生繁殖體脫離母樹后,在隨后的生長發育過程中表現為吸收累積鹽分的過程。On the other hand, the bacteria release brf continuously, which accelerates the cgc to blast into vc at certain site. this just reflects self - regulation
另一方面,細菌連續釋放生物波調控因子,促使已經形成的潛生體在特定部位斷裂成為繁殖體。In this article, the experimental studies on bacterial waving growth from vegetative cell ( vc ) to cryptic growth cell ( cgc ) have been reported
本文實驗研究細菌由繁殖體到潛生體反復進行的波動生長過程,旨在闡明波動生長形成宏觀有序結構的自組織機制。With bacterial cgc as main subject, the tests had been done to elucidate mechanism of self - organization for macroscopic rhythmic structure. the dynamics of cgc forming was observed by special techniques of waving culture and microscopic culture ; the differences in outer structure of cell wall and flagella number had been observed by atomic force microscope scanning ; integrity of cell wall was examined under tem ; outer membrane protein was analysed by sds - page and various substance and factors for cgc formation were determined
採用特殊的波動培養和顯微培養技術觀察潛生體形成動態;應用原子力顯微鏡掃描,比較細菌潛生體與繁殖體在細胞壁外層結構和鞭毛數量的差別;用透射電鏡觀察細胞壁完整性,以十二烷基硫酸鈉?聚丙烯酰胺凝膠電泳分析外膜蛋白的改變,並通過實驗分析多種物質和因素對潛生體形成的影響。The effectiveness of the isolates was related to ecological attributes such as the number of propagules formed in the soil. differences in effectiveness of am fungi in promoting plant growth and nutrient uptake were also observed among genera, with higher effectiveness in clomus followed by acaulospora and scutellospora
並發現am真菌的生態學特性與其效應有關,不同屬am真菌的侵染率、根外繁殖體數量及對甘薯的效應均有差異,多數glomus屬真菌的繁殖體數量和菌根效應明顯優于acaulospora屬和scutellospora屬真菌。分享友人