正雜交 的英文怎麼說

中文拼音 [zhēngjiāo]
正雜交 英文
straight cross
  • : 正名詞(正月) the first month of the lunar year; the first moon
  • : Ⅰ形容詞(多種多樣的; 混雜的) miscellaneous; varied; sundry; mixed Ⅱ動詞(混合在一起; 攙雜) mix; blend; mingle
  • : Ⅰ動詞1 (把事物轉移給有關方面) hand over; give up; deliver 2 (到某一時辰或季節) reach (a cert...
  • 雜交 : [生物學] hybridize; cross; hybridization; cross breeding
  1. However, only did a few pollen germinate in inter - specific hybridization between cerasus fruticosa and c. avian and many pollen tubes are crosswise on stigma and couldn " t penetrated into style. although a few pollen tubes entered, they couldn " t continue to grow due to accumulation of callosity in pollen tubes. in view of above - mentioned results, the irregular growth of pollen was the main reason to cause the incompatibility of distant hybridization between cerasus fruticosa and c. avium

    而草原櫻桃與歐洲甜櫻桃種間授粉后花粉在柱頭上雖少量萌發,但花粉管在柱頭上橫向生長,或盤繞,扭曲不能伸入花柱;個別進入花柱的花粉管先端因沉積胼胝質而中途停止伸長未能進入子房到達胚珠,從而說明這種授粉后花粉管的不常行為是導致草原櫻桃與歐洲甜櫻桃遠緣不親和的主要原因。
  2. Cytogenetic studies were made on several hybrid scallops using the karyotype method. hybridizations between chlamys farreri and patinopecten yessoensis, c. farreri and chlamys nobilis were studied

    本論文在染色體水平對蝦夷扇貝櫛孔扇貝以及櫛孔扇貝華貴櫛孔扇貝等幾個扇貝組合進行了細胞遺傳學研究。
  3. Chlamys farreri, which belongs to mollusca, bivalvia, pterioidae pectinidae, are widely distributed on the china from donghai sea to bohai sea, korea and japan. this species has been the main aquacultrue shellfish for many years in northchina

    利用同工酶技術,對中國櫛孔扇貝和日本櫛孔扇貝的遺傳差異進行了比較分析,並對它們的後代的酶表型及遺傳型進行了分析,探討了亞種間的機制。
  4. Shaking flask experiments and hplc analyses showed that the four mutants no longer produced the toxic oligomycin, and only made four components of avermectins b, which were avermectin b1a, b1b, b2a, b2b. the yields of avermectins b in these mutants were separately equal to those in cz8 - 73. this revealed that olma genes deletion did n ' t affect the biosynthesis of avermectins

    將4株經southern驗證確的基因缺失突變株進行搖瓶發酵和hplc檢測,發現4個突變株均不再產生寡黴素而僅產阿維菌素b組分,阿維菌素的總產量和b1的產量與出發菌株相當,說明寡黴素pks基因簇的缺失並不影響阿維菌素的生物合成。
  5. In truly doubtful cases, only test crosses will reveal the actual genotype.

    在確實可疑的情況下,只有通過試驗才能揭示出真的基因型。
  6. Interspecific hybridization of nucleic acids is a method of this type currently being developed.

    核酸的種間便是當前在發展的這樣一種方法。
  7. In attempting to domesticate the quagga ? a zebra - like, south american member of the horse family ( now extinct ) ? he was forced to breed a male with a female arabian mare

    他在試圖馴養斑驢(一種馬,產于南美,外型象斑馬,現已絕跡)時,這匹雄性斑驢與一匹雌性阿拉伯母驢配,的結果常。
  8. By the results, the author considered that with the normal illumination, the algea ( chlamydomonas sajao lewin ) can release the availed phosphorus into the mediums from phosphate rocks, and supply the needs of the growth by the algea and rice in a mediums

    研究結果表明,在本實驗條件下,沙角衣藻從礦石磷中釋放的可溶性的有效磷可以同時供水稻和沙角衣藻使用,使二者在同一環境中常生長。
  9. The author finded out that the rice in the mediums with phosphorus and phosphate rocks can grow well, the quantity of the algea and the phosphorus in the mediums increase. on the contrary, in other mediums the rice appear to be short of phosphate

    其中,全磷培養基和含磷礦石粉的無磷培養基中水稻常生長,沙角衣藻生物量較實驗前有所增長;由於實驗梯隊磷礦石的轉化作用,使培養基有效磷濃度均較實驗前也有所增長;而其他實驗組水稻均出現不同程度的缺磷表徵。
  10. Molecular examination and biological observation of transformed plants by growing resistant germinations we got 30 transformed plants. pcr and spot blotting hybridization analysis indicate that hsp70 anti - sense cdna had been integrated into tobacco genome. through observation and measurement we found 12 completely sterile, 9hyper - sterile, 3 partially sterile and 6 fertile and significant differences between them in stamen, height, and fruit weight

    Pcr和點分析表明, hsp70、反義。 dna己經整合到煙草的基因組中。在進行田間生物學性狀觀察時, 30株轉基因植株中有12株表現出完全不育, 9株高度不育, 3株部分不育和6株可育;不育植株在雄蕊、株高和果實重量等方面都存在明顯的差異。
  11. The localization and expression of prolactin receptor from inner mongolia alpas cashmere goat were studied by sacpic staining, in situ hybridization and western blotting. samples of skin were taken at interval three months from birth, three months old, six months old, nine months old, ten months old or twelve months old, which correspond to summer, autumn, winter and spring. paraffin sections of hair follicles were stained with sacpic staining and in situ hybridization. the protein of prolatin receptor is abstracted from samples of skin in order to study on expression of prolactin receptor. there are prolactin receptors in outer root sheath, dermal papilla and inner root sheath. the growth of primary follicle is continuous

    本實驗從絨山羊出生后每隔三個月采一次皮樣,共分為4個月齡( 3 、 6 、 9 、 10或12 )段,通過製作石蠟切片,原位、染色,並提取皮樣蛋白做westernblotting等實驗研究方法,研究了催乳素受體mrna催乳素受體在不同生長季節的內蒙古阿爾巴斯白絨山羊皮膚毛囊中的定位與表達,染色結果發現阿爾巴斯白絨山羊初級毛囊全年持續生長,次級毛囊的生長情況隨季節而變化,秋冬季生長旺盛,夏季生長緩慢與絨毛生成規律呈相關。
  12. In this paper, observation was conducted on pollen germination and growth behavior in distant hybridization between cerasus fruticosa and c. avium and hybridization between varieties in c. fruticosa through fluorescent light system of microscope. the results showed that pollens could normally germinate and pollen tubes could reach ovary through style to completed fertilization in intraspecific hybridization in c. fruticosa. the average fruit - set rate was 27 %

    通過對草原櫻桃與歐洲甜櫻桃種間遠緣及草原櫻桃品種間后花粉管行為的熒光觀察發現,草原櫻桃品種間授粉后花粉在柱頭上能常萌發生長,花粉管沿花柱到達胚珠完成受精過程,平均座果率為27 。
  13. Green fluorescent protein ( gfp ) gene was conjugated to the 3 " end of the pap gene in order to screen easily of the transgenic cotton plants. the combined gene was cloned into plant expression vector pbi121 and then transformed. about 5000 seeds of the transgenic cotton were obtained and the some seedlings of the transgenic cotton could give a bright green fluorescence in the dark condition when the cotton seedlings were irradiated with ultraviolet rays

    為了便於轉基因棉花後代的篩選,在pap基因的3 』端融入了綠色熒光蛋白gfp )基因,然後將融合基因克隆在植物表達載體pbi121上,再進行遺傳轉化,得轉基因棉花種子5000餘粒,將種子播種長到于葉展開時,先在黑暗中用紫外燈照射,查找表現綠色熒光的幼苗,然後再用地高辛( dig )標記的pap基因特異性探針對這些棉花進行點,最後發現有8株棉花表現陽性反應,說明pap基因的確己經轉到了棉花的基因組中,其棉花黃萎病的抗性鑒定在進行之中。
  14. Twenty f1 combinations crossed among 5 varieties and strains different in fiber properties according to complete diallel crossing design were used to evaluate the heterosis and gene action of boll weight and lint percentage in high quality fiber property varieties in upland cotton in 1998 1999 for two year successively at nanjing. it was indicated that there existed small interactions with the environmental factors without maternal effects and the additive gene effect was in chief, attaining to 51. 2 % and 65. 4 % respectively for boll weight and lint percentage. the dominant effect was also in higher rate, 32. 6 % and 16. 8 % respectively. the population mean heterosis of boll weight and lint percentage over the mid - parental mean were relatively prominent 13. 3 % and 3. 5 % respectively in extreme significance. however, boll weight showed no significantly surpassing parental f1 heterosis over the better parent based on population mean ( 2. 0 % ) ; while the lint percentage expressed significant negative heterosis value ( - 2. 1 % ). the gene actions were in conformity with the heterosis expression. it was shown clearly that the f1 combinations crossed between parents with similar performances had relatively high dominant effects and significant positive f1 surpassing parental heterosis ( f1 heterosis over the better parent ) ; while no f1 combination crossed between the parents with prominent mutual difference surpassed the higher parent in yield components, which indicated that among those parents with less difference and close relationships, there still existed sufficient genetic variation or certain mechanism for creating variation and achieving greater advances in breeding. correlation analyses also indicated that there still existed severely undesirable negative correlation between yield and fiber properties as well as the difficulties for their simultaneous improvements

    利用5個具有不同纖維品質性狀的品種(系)配製完全雙列組合20個,通過親本和f1的2年隨機區組試驗發現產量性狀的鈴重和衣分與環境的互作效應小,不存在母體效應,並以加性遺傳效應為主,分別占表型方差的51 . 2 %和65 . 4 % ;顯性遺傳效應所佔的比率也較高,分別為32 . 6 %和16 . 8 % .鈴重和衣分的群體平均優勢較大,分別為13 . 3 %和3 . 5 % ,達到了極顯著;鈴重的超親優勢為2 . 0 % ,不顯著;衣分為顯著的負值( - 2 . 1 % ) .遺傳分析與種優勢結果一致.具體表現在產量性狀上,親本相當配製的組合合顯性較高,其超親優勢向顯著,而極值親本(差異較大)所配組合沒有超過高親的.這表明親本差異小、親源關系較近的親本中仍然存在足夠的遺傳變異或某種機制以創造變異使育種取得更大的進展.相關分析表明了仍然存在嚴重的品質與產量的負相關,遺傳改良的難度較大
  15. It has been demonstrated directly or indirectly - 7 - that ak auto ab is an important element in the immune network and plays a important role in maintaining physiological functions, clearing aged cells and metabolic products, regulating immune responses and protecting against infection. in some pathological states such as psoriasis and contact dermatitis, a certain serum level of the antibody could inhibit the progression of the diseases, and is beneficial to the recovery from the diseases. after a long time studies on the production and regulation mechanism of physiological and pathological auto antibodies, meanwhile, experiencing an intensive academic debating on whether naas a " horror autotoxicus " or a " gnothi seaution ( know yourself ) ", a common viewpoint has been achieved that naa is of clinical significance in the treatment of immunity diseases for it ' s function in the immune system stability, immunoglobulin y and polyclonal ak auto abs have been used in treating inflammatory dermatitis, and recombinant antibody is under investigating

    抗角蛋白自身抗體( akautoab )是naa的重要組成部分,以往實驗通過瘤技術、免疫親和層析技術和噬菌體抗體庫技術分別獲得單克隆akautoab 、健康人血清多克隆akautoab和基因工程人akautoab ,並對akautoab免疫學特性及在體生理和病理意義進行了廣泛的研究,直接或間接地發現akautoab是機體常免疫調節網路的組成部分,在維護某些生理狀態的穩定、清理衰老細胞及代謝產物、調節免疫和抗感染等方面起到重要作用;在某些病理情況下(如銀屑病、接觸性皮炎等) ,體內akautoab的組分和滴度會發生變化,而常水平的akautoab則有利於限制病情的發展,促進損傷的修復。
  16. The meat - quality of yunong white pig lines and was also in normal range

    在肉品質方面,豫農白豬系、系均在常范圍內,其後代亦無顯著差異。
  17. Now professor yuan is working on developing super hybrid rice

    現在袁教授研製超級水稻。
  18. Scientists from the international crops research institute for the semi - arid tropics ( icrisat ) are developing sorghum varieties and hybrids that have higher amount of sugar - rich juice in their stalks for mozambique

    國際半乾旱地區熱帶作物研究所( icrisat )的科學家們為莫三比克研究高粱的變種以及品種,這些品種在它們的莖干汁液中富含這大量的糖分。
  19. Based on the theories of hybrid / mixed finite element method, the generalized energy functional including stress, mechanical displacement, electric displacement, electric field and electric potential is used, with the electric - potential relations and the constitutive equations of piezoelectric materials constrained, hybrid energy functional including mechanical displacement, electric potential and stress is gained. moreover, splitting in - plane components and transverse components, the mixed energy functional in which mechanical displacement, transverse stresses and electric potential as basic variables is derived. with the use of surface stress parameters of sub - elements, the continuity of transverse stress at interfaces between layers is obtained

    在回顧混合有限元理論的基礎上,從包括位移、應力、應變、電勢、電位移、電場強度六個未知量的廣義壓電材料能量泛函出發,通過約束電場強度?電勢關系、應力與應變及電場強度的關系,得到僅包括位移、電勢、應力三個未知量的變分泛函,利用一般層合板的混合變分原理,分離面內分量和橫向分量,導出以位移、橫向應力、電勢為未知量的壓電層合板的修變分泛函,作為壓電層合板的元列式的理論基礎。
  20. The pbacph - egf plasmid dna was used to co - transfect bmn cell with the modified bombyx mori baculovirus bm - bacpak dna, which was first linearized by aocl. after two rounds of plaque isolation, the recombinant virus ( named bmbacph - egf ) was further verified with pcr and dot hybridization. the recombinant bmbacph - egf virus was used to infect bmn culture cells at a moi of 10

    重組轉移載體dna與經bsu36i酶切線性化的修飾型病毒bm - bacpakdna共轉染家蠶bmn細胞,兩輪空斑篩選和純化,獲得重組病毒rbmbacph - egf ,經pcr擴增、 dna點等方法鑒定證實重組病毒中已確插入ph - egf融合基因。
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