等倍體 的英文怎麼說
中文拼音 [děngbèitǐ]
等倍體
英文
isoploid-
Under the incentive of the civil - market demanding such as laser material processing and the military - market demanding such as a new generation of laser weapon candidate and icf, diode - pumped solid laser ( dpsl ) develops rapidly worldwide. as an important application, diode - pumped intracavity - frequency - doubled laser is attached much importance in recent years, but there still remain many problems unresolved completely. in this paper, i have given some abecedarian study results on some of these problems theoretically and experimentally
因工業激光材料加工等民用市場的需求以及慣性約束聚變和作為新一代激光武器候選器件等軍方需求的推動，國際上高功率二極體泵浦固體激光器（ dpsl ）的研究進展迅速，作為dpsl的一個重要應用，內腔倍頻一直得到大家的重視，但仍有許多未徹底解決的問題和理論上的不完備之處，本論文擬對其中的一些問題作一初步的理論和實驗研究。A typical red supergiant could be about 100 times larger than the red giant. its surface temperature is low while the total luminosity remains high, with absolute magnitude up to - 10 comparing to 4. 8 of our sun
典型的超紅巨星比普通紅巨星大上100倍，雖然表面溫度低，但整體光度仍然非常高，絕對星等可達- 10太陽的絕對星等只有4 . 8 。The maximum entropy principle were used to follow population : ( 1 ) mutiallel population in all population that have the given gene distribution, the equilibrium population entropy reach it ' s maximum, the maximum entropy more than 0, and less than 2 nk ( k is the number of the allel ), and maximum entropy equal two times of the same locus gene entropy
（ 1 ）復等位基因群體對具有同一基因庫的復等位基因位點，用最大熵證明了該位點所對應的所有群體中，平衡群體的基因型熵最大，其數值大於等於0 ，小於等於21nk （這里k為該位點等位基因數目） ，且等於該位點基因庫熵的兩倍。Antipodal cells the three haploid cells found in the embryo sac of seed - bearing plants that migrate to the chalaxal end of the sac farthest from the micropyle
反足細胞：胚囊三次分裂形成卵細胞，助細胞和極核等，其中位於合點端的三個單倍體細胞稱反足細胞。For example, if the haploid number is 7, the euploid number would be 7, 14, 21, 28, etc, and there would be equal numbers of each different chromosome
例如，一種生物單倍體染色體數目是7 ，整倍數將是7 、 14 、 21 、 28等數目，並且每條不同的染色體有相等的數目。During male gametogenesis, the spermatogonia became primary spermatozoa through mitosis, and then became fourth equivalent cytoplasm, round sperm through meiosis. after maturation, they participated in embryo development with the mature oocyte through fertilization. but in female gametogenesis, the primary oocyte formed a matured egg and 1 ~ 3 polar bodies ( pb )
雄性動物精子發生過程中精原細胞最後一次有絲分裂形成二倍體精母細胞后，經過兩次減數分裂形成了四個含等量細胞質、圓形的精子細胞，最終發育成四個具有正常生理功能的精子，與成熟卵母細胞受精后參與胚胎發育。Under the general term genetic system we include the modes of reproduction of the species (bisexual, thelytokous， haploid, etc. ).
我們在總遺傳系統中包括種的繁殖方式（兩性的，產雌單性生殖的，單倍體等）。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。Based on extensive field observation and population sampling in 71 populations of 20 provinces, this dissertation investigates morphology, ecology, cytology, cytogeography and its sequences of this complex. the results show that a. ageratoides polyploid complex might be originated in northeastern china, from which it migrated along three different routes
本研究基於對我國20個省、市、自治區43個地點71個三脈紫菀復合體居群的野外觀察和採集，從形態學、生態學、細胞學、細胞地理學和分子生物學等各方面，對三脈紫菀多倍體復合體進行了綜合性研究。The analyses of these three types of data in the hybrid and its parents could provide new information on genomic composition and evolutionary mechanisms of the hybrid. the main results are the followings : 1. rdna fish chromosomal localization of 18s and 5s rdna was carried out for two soft pines ( subgenus strobus ) and five hard pines ( subgenus pinus ) using fish
Rdna熒光原位雜交（ fish ）通過對華山松和白皮松兩種單維管束亞屬植物及油松、雲南松、高山松、馬尾松和南亞松等五種雙維管束亞屬植物的18srdna與5srdna的熒光原位雜交，結果表明： （ 1 ）裸子植物的18srdna位點數目明顯多於二倍體被子植物。This review includes the following subjects : induction frequency of haploids depend on genotypes, developmental stage of explants, temperature pretreatment of the explants, medium composition and the conditions of cultivation
迄今己有9個科21種植物用這一方法誘導出單倍體植株，植物的基因型、外植體的發育程度、接種前的預處理、培養基和培養條件等均能影響誘導率的高低。When modes sending data to the higher and the lower interest entity set are both periodic which is prevalent sending mode in the existing dve and this two sending frequencies is integer multiple, the performance of etlim is satisfied. now the number of package transmitted equals to that of npsnet mechanism, and the number of package received equals to that of singhal mechanism
當對高、低興趣實體集都採用周期性數據發送方式（現有dve系統所採用的數據發送方式）且它們的發送頻率成整倍數時，數據的接收量與singhal機制的數據接收量相等，實體狀態數據的發送量則與npsnet機制的數據發送量相等。In fact, the way to make the most of a dominant allele ( such as magic is proposed to be in the essay ) is to have all individuals heterozygous rather than homozygous, as then there will be twice as many individuals in the next generation with that trait for a given number of alleles
實際上，使顯性基因等位體（如魔法基因在文中被認為是顯性的）發揮最大作用的方式就是讓所有的有關個體盡量雜生而不是同生，因為對於一定量的基因等位體，那便意味著下一代有著兩倍的個體帶有那種特性。Polyploid watermelon has many virtues such as seedless, high yield, good tolerance and transportation, high resistance to plant diseases and insect pests, and also high central soluble solids content
摘要多倍體西瓜具有少籽、豐產、耐貯、對病蟲害抗性較強、抗逆性好、果實含糖量高等優點。Tetraploid black locust is a variety has been bred in south korea, the leaves of which are 3 times larger than those of diploid varieties and contain 1. 4 times more protein. and it has no prickles on its surface. it can be used not only as pioneer species in environmental beautifying and ecological restoration, also as fodder, bee forage, timber production, and so on
四倍體刺槐是韓國培育出的刺槐新品種，屬無刺類型，其葉片大小為普通二倍體刺槐的4倍，蛋白質含量為1 . 4倍多，不但可以作為先鋒樹種廣泛應用於環境美化和生態建設中，還可作為飼料、蜜源和木材等不僅具有較好的生態效益，同時還具有很高的經濟價值。Abstract : some problems related to “ variation of chromosome number ” in some teaching materials of genetics are presented in this article. these problems are involved in some conceptions such as haploid, chromosome set and aneuploid that are defined unclearly and confusedly in these books
摘要指出了高校有關遺傳學教材「染色體數目變異」一節中，部分概念如單倍體、染色體組、非整倍體等存在的概念表述不清、前後矛盾等問題，並提出了相應的修改意見。In this research project, the agrobacterium tumefaciens mediated transformation of badh gene of tetraploid black locust has been studied, for the purpose of improving resistance to soline - alkali and drought of tetraploid black locust ; of playing more important role in developing of waste lands, ameliorating of soline - alkali soil, and greening and beautifying of surface - mined lands, mine waste dumps, slopes of roads and railroads where restoration of vegetative cover has proven difficult ; of fully making benefits of its ability to fix atmospheric nitrogen in the soil
為了進一步提高四倍體刺槐的耐鹽性和抗旱性，進一步擴大其適宜種植的生態范圍，充分發揮其固氮、改良土壤的特性，在我國的城鎮綠化、荒山造林、鹽堿地改良以及采礦跡地、公路、鐵路邊坡等植物生長困難土地的植被恢復中發揮其優勢，本實驗對四倍體刺槐進行了農桿菌介導的甜菜堿醛脫氫酶基因轉化的研究。Polyploids generally thaw some good characters, for example, vigorous plant, higher biological yield, bigger seed, good quality and special resistantance
多倍體植株具有生長勢強、生物學產量高、籽粒大、品質好和抗逆性強等特點。In the second trial, this modified discontinuous percoll gradient centrifugation method was introduced to isolate spermatids from the semen of fifteen male infertile patients. then the effect was identified by wright - giemsa stain, flow cytometry analysis, immunocytochemistry and fluorescence in situ hybridization ( fish ). similary, the 22 % percoll fraction contained mostly haploid cells [ ( 91. 85 ? 5. 18 ) % ] ( p < 0. 005 ) and the mean density in this fraction was ( 1. 010 ? 0. 786 ) x 105 / ml
C法，對15例各種類型不育患者的精液細胞進行分離，並利用瑞姬染色法、流式細胞術、免疫細胞化學和熒光原位雜交oisffi等方法，從細胞形態特徵、 dna倍體、細胞表面標i己與分化抗原，以及原位雜交信號的數目和位置結合細胞核特有的形態等方面加以鑒定。In this paper, several factors affecting transformation of the haploid such as ph etc. were studied, and the tissue culture system was o ptimized
實驗中對小黑楊單倍體組培系統進行了優化，並探討了影響轉化率的幾個因素如ph值等。分享友人