雜交試驗 的英文怎麼說

中文拼音 [jiāoshìyàn]
雜交試驗 英文
cross experiment
  • : 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...
  • : 名詞(古代占卜用的器具) astrolabe
  • : 動詞1. (察看; 查考) examine; check; test 2. (產生預期的效果) prove effective; produce the expected result
  • 雜交 : [生物學] hybridize; cross; hybridization; cross breeding
  • 試驗 : trial; experiment; test
  1. The breeding technology of abies holophylla by cuttings

    相思扦插繁殖
  2. It was suggested that eric - pcr could substitute for rapd in research related to the genetic identification and genetic diversity in auricularia and other edible and medicinal fungi : 2 to a certain extent, genetic differences among auricularia strains tested in this study did not have necessary relativity with their geographical origins respectively ; 3 in this study, genetic diversity in a. polytricha was higher than that in a. auricula : 4 in this study, a. fuscosuccinea had a higher homology to a. auricula than to a. polytricha ; 5 morphological characteristics validated the results from eric - pcr and provided a potential explanation for the higher similarity coefficient between a. auricular and a. fuscosuccinea ; 6 southern hybridization was employed by choosing a strain from a. auricula as a probe which hybridized with a. auricula and a. fuscosuccinea except a. polytricha, further confirming the veracity of the results from eric - pcr ; 7 in this study, isozyme analysis could not cluster the 7 strains from three auricularia species to different groups efficiently ; 8 2 strains from two auricularia species revealed high conservative degree and the restriction fragment patterns by 4 kinds of restricted enzymes showed no diversity

    本研究中,木耳屬2個種的2個菌株在its區域表現出較高的保守性, 4種限制型內切酶的酶切圖譜沒有顯示出多態性;增加內切酶種類及供菌株數量,有可能獲得具有多態性的限制性內切酶酶切圖譜; 9本實中, its區域的真菌特異性引物與真核生物通用引物對于擴增效果無較大差異,擴增片段長度均為650bp左右; 10根據形態學實、 eric - pcr實以及southern的結果分析,紫木木耳屬種質資源的遺傳鑒定和遺傳多樣性評價耳極有可能是毛木耳種的一個變種; n .本研究中所用的gutc法是一種適用於木耳屬菌株基因組洲a快速提取的方法; 12 .傳統的形態學分類法和現代的分子生物學分類法,兩者的關系是相輔相成,互為
  3. The experiment was conducted in a 2. 4 ha isolated field mimic rice production practice with pollen competition. a japonica gm rice l201 containing bar gene with herbicide basta resistance was used as a pollen donor and six indica hybrid rice varieties and its male sterile ( ms ) lines and two common wild rice ( oryza rufipogon and o. nivara ) that share same aa genome with cultivated rice were used as recipients

    選擇廣州作為華南水稻生態區的代表,以含bar基因(抗除草劑basta )的轉基因粳稻l201為花粉供體,模擬大田生產實際,對轉基因向秈型兩系及三系稻不育系、稻品種及含aa基因組的普通野生稻的基因漂流及其影響因素進行了研究。
  4. Experiment of crossbreed and improvement gannan yak with wild yak

    用野血氂牛改良甘南氂牛
  5. Experiment for comparing the performance of erhualian pig double cross combinations and that of duroc landrace large yorkshire three - way cross combination

    二花臉豬四元組合與杜長大三元組合比較報告
  6. In truly doubtful cases, only test crosses will reveal the actual genotype.

    在確實可疑的情況下,只有通過雜交試驗才能揭示出真正的基因型。
  7. The miscellany appeared in strains of myrica, casuarina and alnus were also partly coincident with what normand et al. ( 1996 ) and li zhizhen ( 2002 ) obtained : the clusters devided by the isolates from the myrica and casuarinahave grest genetic diversities. besides the analysis of the strains, we also tried to extract the dna of frankia from the nodules directly and analyse them also with the method of pcr - rflp

    這些結果與baker ( 1987 )通過叉感染將來自不同宿主的50株frankia菌株分成4個類群的結果部分一致,但也暗示其可能具有局限性;此外,分析楊梅和木麻黃菌株所得到的結論支持了normand等( 1996 )與華中農業大學碩十研究生學位論文李志真( 2002 )所得的結論,即木麻黃和楊梅的菌株比較混,兩者都不能成為獨立的類群。
  8. Cultivation and introduction on interspecific bermudagrass hybrid in chongqing region

    種間狗牙根在重慶地區的引種栽培
  9. 2 - e4 - a and 82 - 6 are hybridized during their log growing time, and the hybrid - hybridomas are cloned for 3 times and produce 6 hybrid - hybridoma cells. the chromatosome of hybrid - hybridoma 3 - hu and hybridoma 2 - e4 - a and s2 - b are counted, and the antibody of ascites fluid or culture supernatant of 3 - hn is prepared. the positive clones are detected by three methods at the same time : rbc agglutination for monospecific anti - human rbc type a antibody, indirect elisa for anti - p24 antibody, and rbc solid - phase adherence for bispecific antibody

    選其中一株3 - h _ ( 11 )做-瘤細胞染色體計數,同時計數兩母株2 - e _ 4 - a和s _ 2 - b的染色體數:制備腹水型和上清型抗體,用三種方法同時檢測其中的雙特異性抗體、單特異性抗人紅細胞抗體和抗p24抗體,即紅細胞固相吸附法測雙特異中文摘要性抗體,紅細胞凝集測單特異性抗人a型紅細胞抗體,間接elisa法測抗p24抗體;用腹水型抗體做耐熱性及耐凍融實
  10. Meq protein, highly expressed in the insect cell line sf9 by the baculovirus vector was immunized into balb / c mice and the immunized spleen cells were collected and fused with the tumor cell line sp2 / 0 via peg - 1000 in vitro. the hybridoma cells were cloned and screened for the ability of anti - meq mcab secretion by fa with the mdv ga infected chicken embryo fibroblast ( cef )

    利用通過桿狀病毒載體在昆蟲細胞系sfg上高度表達的meq蛋白產物免疫balb / c小鼠,然後收獲其免疫脾細胞並與腫瘤細胞系spz / 0通過peg于體外融合;獲得的瘤細胞被克隆並通過與mdv感染的雞胚成纖維細胞( cef )做免疫熒光( fa ) ,進行其分泌抗meq單克隆抗體( mcab )能力的篩選。
  11. The result of the experiment shows that the proposed forced vibration method device has the quality of stability and repetitiveness of the data, the wide range of the testable reduced velocity, the exactness of coupled and direct flutter derivatives. and it does not need to employ any complicated identification system to check it further

    結果顯示:本文提出的強迫振動法裝置具有數據穩定、數據重復性好、可測量的折減風速范圍寬、叉項導數與對角項導數具有同等精度和不需要復的系統識別過程等一系列優點。
  12. 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,其超親優勢正向顯著,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
  13. 6, we used gcn5 and rpd3 genes as probes to detect the homologous sequences in drosophila melanogaster by fluorescence in situ hybridization ( fish ). this work has provided useful information for the localization and cloning of related histone acetyltransferase and histone deacetylase genes in drosophila melanogaster

    6 ,利用己獲得的酵母gcns和rpd3基因為探針,對果蠅多線染色體進行原位圖找出與gcns和rpd3基因同源的基因片段。為今後克隆和分離果蠅中與乙酞化和去乙酚化相關的基因奠定基礎。
  14. Many thousands of hybrid combinations must be tested for each new hybrid variety released to the public.

    在每個新的種向群眾推廣以前,要對成千的組合做
  15. Comparison between different types of single - cropping late rice combinations

    桃江縣一季晚稻組合品種比較
  16. In this paper, we first analyze each factor of influencing threshing performance, and deficiency of all traditional methods such as single factor, orthogonal experiment, variance analysis and regression analysis, which have been used to study the threshing performance. in the basis of above analysis, we propose a new method of threshing performance modeling - a bp neural network. by use the new ways of threshing performance modeling - a bp neural network, we can obtain the optimum model of threshing performance, which can better describe the seed - husking plant ' s feature of complex nonlinear, multi - input - output and indefinite

    本文首先分析了影響脫粒裝置性能的各個因素以及傳統研究脫粒性能的各種方法如單因素法、正法、方差分析法以及回歸分析法的缺陷,在此基礎上提出了採用bp神經網路對脫粒裝置性能模型進行優化,採用這種方法優化脫粒裝置性能模型可以更好地刻劃脫粒裝置所具有的多輸入多輸出、復非線性以及不確定性等特徵。
  17. 3 - d ift have three fin arrangements : staggered arrangement fins, in - line arrangement fins and spiral arrangement fins. the former experimental study regressed the experimental data of all three fin arrangements and obtained the heat transfer criterion equation of 3 - d ift, while the paper sets apart the three mixed fin arrangements and applies othorgonal testing method to the 3 - d ift with staggered arrangement fins which is wide used in the engineering

    原有的研究是將三種肋排列形式三維內肋管的實數據混在一起進行回歸得到三維內肋管的換熱準則式,而本文則將原有研究中混不清的肋排列的三種形式區分開來,並對其中在工程中應用最廣泛的肋叉排三維內肋管進行了詳細的正研究。
  18. The blotting detection showed : the pcr detection on 35s and nos is correct, while when the gms content decrease the detection signal weakened. so this method was not fit to be applied in market detection

    雜交試驗證明pcr擴增的35s啟動子和nos終止子為特異性擴增,當材料轉基因含量降低時,檢測信號則明顯降低。
  19. The 7 isolates were identified based on physiological and biochemical characterization, 16s rdna sequence, g + c mol % and dna - dna hybridization. isolate tl was identified as bacillus cereus. isolate gl, c4 and c5 were identified as bacillus megaterium

    在上述的基礎上,本文分別用生理生化性狀、全細胞脂肪酸成分分析、 16srdna序列分析及dna - dna對這7個含有nifh的菌株進行了鑒定。
  20. Choose an optimum condition on the basis of that to go on an amplification experiment whose product become the raw and processed materials with which the influence between the adding of dbs a as the second dopant and the conductivity of cp is studied

    根據正結果,選取一個最優條件並進行放大實。以該產品為原料,研究了十二烷基苯磺酸二次摻對絲炭/聚苯胺導電材料導電性能的影響。
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