顯性負效應 的英文怎麼說

中文拼音 [xiǎnxìngfùxiàoyīng]
顯性負效應 英文
dominant negative effect
  • 顯 : Ⅰ形容詞1 （明顯） apparent; obvious; noticeable; evident 2 （有名聲有權勢的） illustrious and inf...
  • 性 : Ⅰ名詞1 （性格） nature; character; disposition 2 （性能; 性質） property; quality 3 （性別） sex ...
  • 負 : Ⅰ名詞1 （負擔） burden; load 2 （虧損） loss 3 （失敗） defeat Ⅱ動詞1 [書面語] （背） carry on th...
  • 效 : Ⅰ名詞（效果; 功用） effect; efficiency; result Ⅱ動詞1 （仿效） imitate; follow the example of 2 ...
  • 應 : 應動詞1 （回答） answer; respond to; echo 2 （滿足要求） comply with; grant 3 （順應; 適應） suit...
  • 顯性 : [生物學] dominance顯性性狀 dominant character; 顯性修飾因子 dominigene; 顯性遺傳 dominant inheritance
  • 效應 : [物理學] effect; action; influence
  1. The protein nucleic acid complexes were identified by autoradiography for 48 h. the psg5heo and igfbp - 6 promoter pcat vectors were transfected into cos - 7 cells with iipofectamin2000 ; these cos - 7 cells where treated with 1 jxm e2, with lonm tcdd and with both lonm tcdd and 1 jxm e2, individually ; the cat protein was examined by cat - els a. results : the congenital skeletal defects in fetal rats were induced with 10 - 15ug / kg tcdd or with 100 - 140 mg / kg ra with dosage - dependence effect. the igfbp - 6 mrna in rat calvaria tissue and mc - 3t3 - el cells were increased with tcdd and ( or ) ra, whereas the cell proliferation and igf - 2 mrna in mc - 3t3 - el cells was decreased in the status of e2

    結果: tcdd在大鼠胚胎發育時期具有骨骼致畸作用，骨骼發育畸形包括:內翻足、脊柱裂、顱面骨發育缺陷、無尾畸形等;隨著tcdd濃度的升高（ 10一15林擴kg ） ，致畸率明顯上升（ 14 . 7 %一24 . 6 % ） ; tcdd和ra聯合用藥可以增強對大鼠骨骼發育的致畸效應; e :對成骨細胞內igf一2基因有正性調節作用，對igfbp一6基因有負性調節作用， tcdd可以抑制e :對細胞內xgf一2和igfbp一6的調節作用。
  2. There is positive abnormal return on tuesday and friday, but negative abnormal return on monday and thursday 6. there is weak monthly effect. there is weak january effect in both market and the joint significance test has reached the 10 % level

    （ 6 ）滬深兩個市場都存在月歷效應，雖然不顯著，但在所得到的回歸結果中，兩個市場在一月份都有負的超額收益率，表現出了一月效應，而且聯合檢驗的顯著性水平達到了10
  3. Due to the special equity structure in china, company governance does n ' t pay attention to protect the investors, so the empirical results show as follows : ( l ) it exists the negative relation between the proportion of state - owned stocks and corporate performance ; it does n ' t exists the remarkable relation between the proportion of circulation stocks and corporate performance ; the function of corporation in company governance depends on its owned stocks. ( 2 ) the performance of equity - scattered company is superior to that of equity - gathered company, the performance of corporation - gathered company is superior to that of state company. ( 3 ) in the protective industries, the degree of equity d oes n ' t influence the performance, state - owned stocks play a leading role, there is a negative relation between the proportion of its stocks and croa, but there is n ' t a remarkable negative relation between the proportion of its stocks and roe ; in non - protective industries, the performance of equity - scattered company is superior to that of equity - gathered company, and the proportion of corporation stocks rise, the influence of proportion on corporate performance depends on its owned stocks. finally, it gives some reasonable suggestions and discusses the limits of research

    由於在我國特殊的股權結構下，公司治理對投資者缺乏保護，實證結果表現為： （ 1 ）國家股股東持股比例與公司績效存在負向關系；流通股股東持股比例與公司績效之間不存在顯著的關系；法人股股東在公司治理中的作用依持股水平而定； （ 2 ）股權分散公司的績效優于股權集中公司，法人集中公司的績效優于國有集中公司； （ 3 ）在保護性行業，股權集中程度對績效的影響不顯著，國家股佔主導地位，其持股比例與績效指標croa存在負向關系，與績效指標roe存在不顯著負向關系；在非保護性行業，股權分散公司的績效優于股權集中公司，法人股比例上升，其持股比例對公司績效的影響依持股水平而定。最後，提出相應的政策建議並討論了研究的局限性。
  4. 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）配製完全雙列雜交組合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 % ） .遺傳分析與雜種優勢結果一致.具體表現在產量性狀上，親本相當配製的組合雜合顯性較高，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
  5. The loss results from those factors, which are divided into three groups : the first one, drought, agriculture proportion and education index, is positively related with the loss of technical efficiency. the second, arable land per capita, weight of irrigation area and weight of new maize breed, is negatively related with it, and the last, water disaster and planting area of maize, is irrelated with that

    在影響玉米產出的各個因素中，旱災、農業比重、教育指數和效率損失呈正相關，人均耕地面積、灌溉、新品種應用和效率損失呈負相關而與技術效率正相關，水災、玉米種植比重兩個變量沒有表現出和效率損失有明顯的相關性。
  6. In summer, load is affectd by meteorological elements greatly. based on multidimension time series approach, the car model is constructed, which could take account into the accumalated influence from temperature and inertia action from historic load, meanwhile, the advantage of the model is that its expreaasion is in the form of apparent function, which could provide us some quaqutive imformation existed between input variable and output variable

    本文以多維時間序列分析方法為基礎，成功地解決了未來日負荷與前些日負荷慣性變化的影響，以及氣象累計效應的影響顯性函數關系問題，從而為負荷預測人員掌握未來負荷與歷史負荷，歷史氣象要素與當日氣象條件之間的規律，提供了量化的分析基礎。
  7. The main work and conclusion for this paper is as following : according to the flashover test results of several kinds of iced insulators under positive voltage and negative voltage, this paper obtained : for the single porcelain insulator, the single glass insulator and the composite insulator bridged completely by icicle, the metal cathode ' s strong ability of emission electron is the primary reason that results in the lower negative flashover voltage ; the position difference of the high resistance district in method anode side results in that porcelain insulator cluster and glass insulator cluster have an evident effect of polarity ; when less ice and no icicle at the brim of the sheds, due to numerous non - polar arcs on the composite surface, the effects of polarity of composite insulator was lost using the test method of the average flashover voltage in the freezing period, dc flashover performances were investigated of several insulators with some typical structures and different material

    本文的主要工作和結論如下：在人工氣候室內，根據不同覆冰絕緣子正、負極性下的閃絡試驗結果，得出負極性電弧金屬陰極的強電子發射能力造成了單片瓷、玻璃絕緣子及被冰凌橋接的合成絕緣子有較低負極性冰閃電壓；正極性電弧金屬陽極側產生高電阻區所處位置的差異使得瓷和玻璃絕緣子串具有明顯的極性效應；覆冰較少時，合成絕緣子表面出現數量較多的非極性電弧使合成絕緣子無極性效應。利用覆冰期內平均閃絡電壓的試驗方法，對不同材質和結構的絕緣子在覆冰、低氣壓和污穢共存環境中的直流閃絡特性進行了研究。試驗結果表明，直流平均閃絡電壓隨著海拔的升高、覆冰量的增加以及污穢度的增加而降低，且其特徵指數與絕緣子結構、覆冰量、覆冰狀態、污穢度等有關。
  8. Yet the outstanding shortcoming of open - tube ga diffusion is the apparent negative resistance effect in the ic - vce characteristic curve, which is not what we hope

    盡管如此開管擴鎵的突出缺點是在特性曲線中的負阻效應較為明顯，負阻現象的存在是我們不希望的。
  9. Abstract : by using the self - regulating electrostatic drying equipment, theelectrostatic drying for plant leaves is studied. the equipment is a surface silent discharge ozone generator. the electrostatic drying and natural drying are compared experimentally. the result shows that the electrostatic field is more effective for plant drying. the polarity characteristics of the electrostatic drying is discovered during the experiment and discussed. for accelerating drying, the polarity characteristics should be considered in the drying equipment design

    文摘:在自製的沿面式無聲放電臭氧發生裝置上，對植物葉片進行了乾燥實驗.通過對植物靜電乾燥和自然乾燥的比較，證實靜電場對植物有明顯的乾燥效果.發現了靜電乾燥中的極性效應，即當管狀電極的極性為負時，乾燥速度較快.對極性效應進行了探討和分析.實驗結果表明:沿面式無聲放電臭氧發生裝置可以有效地對植物進行靜電乾燥.研究結果對有效地利用靜電乾燥和極性效應來合理設計靜電乾燥裝置的結構具有重要意義
  10. We have investigated transport properties of electrons in magnetic quantum structures under an applied constant electric field. the transmission coefficient and current density have been calculated for electron tunneling through structures consisting of identical magnetic barriers and magnetic wells and structures consisting of unidentical magnetic barriers and magnetic wells. it is shown that the transmission coefficient of electrons in a wider nonresonance energy region is enhanced under an applied electric field. the resonance is suppressed for electron tunneling through double - barrier magnetic ( dbm ) structures arranged with identical magnetic barriers and magnetic wells. incomplete resonance at zero bias is changed to complete resonance at proper bias for electron tunneling through dbm structures arranged with different magnetic barriers and magnetic wells. the results also indicate that there exist negative conductivity and noticeable size effect in dbm structures

    對磁量子結構中電子在外加恆定電場下的輸運性質進行了研究.分別計算了電子隧穿相同磁壘磁阱和不同磁壘磁阱構成的兩種磁量子結構的傳輸概率和電流密度.計算結果表明，在相當寬廣的非共振電子入射能區，外加電場下電子的傳輸概率比無電場時增加.對于電子隧穿相同磁壘磁阱構成的雙磁壘結構，共振減弱；對于電子隧穿不同磁壘磁阱構成的雙磁壘結構，無電場作用時的非完全共振在適當的偏置電壓下轉化為完全共振，這時的電子可實現理想的共振隧穿.研究同時表明，磁量子結構中存在著顯著的量子尺寸效應和負微分電導
  11. The basic model of the application of computer simulation into scientific discovery learning shows almost significant promoting effects upon the students " mastery of the principle knowledge ; 2. the basic model of the application of computer simulation into scientific discovery learning shows significant promoting effects upon the students " intuitional understanding ; 3. the basic model of the application of computer simulation into scientific discovery learning shows significant promoting effects upon the students " ability of the flexible application of the knowledge ; 4

    實驗一考察了計算機模擬應用於科學發現學習的基本模式的效果，結果發現，與基於真實探索情境的科學發現學習模式相比：計算機模擬應用於科學發現學習的基本模式對學生原理性知識的掌握表現出近似顯著的促進作用；計算機模擬應用於科學發現學習的基本模式對學生的直覺性理解表現出顯著的促進作用；計算機模擬應用於科學發現學習的基本模式對學生的靈活應用表現出顯著的促進作用；計算機模擬在促進學生進行科學發現學習的同時，也表現出一定的負面效應。
  12. By this way the mechanism of cooperation within each group and the competition among groups would come into reality, so the passive effect of " label effect " would be decreased. to the ranking of teaching goals, the paper insist on the stimulating principals. during the teaching process, it is important to integrate individual teaching, group teaching and collective teaching according to different teaching goals, tasks and student ' s features. besides the article summarizes the steps of effiently organizing the teaching activity to make the whole teaching system function best

    在主體分層中實行顯性分組，隱性分層，形成組內合作，組間競爭的運行機制，減少「標簽效應」的負面影響；在教學目標分層中提出目標的激勵性原則；在教學過程中，根據教學目標、任務和學生認知特點的不同，把課堂的主渠道與課外的輔助延伸相結合，將個別輔導、分組教學、集體教學等進行多元化的優化組合，力爭使課堂教學效果最佳。
  13. The result shows that the unit has remarkable energy saving effect, and it can relieve the pressure of power supply to some extent for its character of energy storage

    結果表明，該機組具有明顯的節能效果，並且由於其具有蓄能特性，可以在一定程度上緩解夏季電力供應的壓力，有效轉移高峰負荷。
  14. The main conclusions are that : ( 1 ) the consumption of urban and rural households is sensitive to current income changing ; ( 2 ) the consumption of urban and rural households is sensitive to permanent income changing, and rural household ' s reaction is stronger than that of urban households ; ( 3 ) " the demonstrative effect " of rural households is stronger than that urban households ; ( 4 ) the consumption of urban and rural households is less sensitive to the interest rate changing ; ( 5 ) the consumption of urban and rur

    制度因素對農村居民消費的影響亦很大，本文著重從農村城鎮化與農村公共產品的供給制度兩方面進行了分析。定性分析表明農村城鎮化具有收入、消費、資源配置效應，定量分析則表明城鎮化的消費效應是顯著的，這表明加快農村城鎮化的發展對于增加農村居民的消費有著積極意義。農村公共產品供給不足，對消費帶來了許多負面效應，它不僅影響了農村居民收入的持續增長
  15. This article emphatically discussed and analyzed following points : load command feed forward function can improve the rapid respond character of steam turbine generator ; lead of load command have advance control function on boiler main control and can highly improve the stability of main steam pressure ; the use of predict control and state space variable function can improve the quality of boiler steam temperature control effectively, control the steam temperature in the defined range and increase the boiler and turbine life and efficiency even if working state changed in a big range ; linear compensation can restrain the vibration of generator load in the condition of big loa d change

    本文重點討論、分析提出負荷指令前饋作用可以提高汽輪發電機快速響應特性；負荷指令的導前功能對鍋爐主控有超前控製作用，能顯著提高主蒸汽壓力的穩定性；採用預測及狀態空間法能有效改進鍋爐蒸汽溫度控製品質，在大幅度工況變化下仍有效控制蒸汽溫度在額定范圍內，提高鍋爐、汽輪機壽命及其效率；汽輪發電機組的快速響應性與汽輪發電機組負荷振蕩問題間的平衡關系，採用線性補償可以有效抑制在負荷變化梯度較大情況下發電機負荷振蕩問題。
  16. In order to convenient network user querying and downloading requred resource in short time, nerms categorize the resources into 5 species according to resources content. thus administrator manage resource easier and user can inquery and download resource according to the content of the resource. at present, the development of nerms has almost been completed, but the number of resources is very small

    分類是數據挖掘的一種，高效準確的文本分類可以有效減輕手工分類的負擔。目前分類的演算法有很多，其演算法的準確性非常類似，其差別是統計不明顯的，而訓練時間可能顯著不同。文本考慮到粒子群演算法收斂速度快，決定將改進后的粒子群演算法應用於數據分類。
  17. The finings are elaborated as the following : the stress level of teachers is moderate generally, however, further research shows that they are suffering more work stress ; they often use adaptation coping styles and sometimes these coping styles could be utilized beyond stress situations ; coping with the negative stress, they tend to adopt maladaptive coping ways ; they inclines to synthetically apply various ways and lay particular emphasis on each coping strategies under diverse contexts ; teachers from different background in different situations show that there are significant differences in different coping ways ; teacher " s general self - efficacy, social support, subjective stress and gender have different significantly predictive effects on different coping styles, and they might have more significantly predictive effects on certain type coping ways

    研究結果表明：中小學教師總體壓力水平為中等，但承受著較大的工作壓力；中小學教師普遍採用適應性應對方式並具有一定的跨情境性，但在應對負性壓力時，傾向于採用非適應性應對方式；在應對各種壓力情境時，傾向于聯合使用幾種應對方式並各有所側重；不同壓力情境下，不同人口學特徵的教師在不同應對方式上存在顯著性差異；一般自我效能感、社會支持、主觀壓力、性別對不同的應對方式具有不同的預測作用，他們可能分別對某種類型的應對方式更具重要性。
  18. If lacking of cognition about 360 - degree feedback ' s management idea and characteristic, the negative effect may appear during the implementation, so it is very important to study 360 - degree feedback ' s adaptability, specially the situation of our country

    360度反饋評估有其固有的優越性，同時也存在一些局限，在實施過程中如果對360度反饋的管理思想與特點認識不足，會給績效管理帶來負面影響。因此，進行360度反饋的適應性研究，尤其是國情化研究顯得十分重要。
  19. From the experiments, the number and width of fracture are obviously decreased, and pasting cfrp laminates play important role in improving rc construction durability ; with anchoring, premature is prevented and the ultimate shear capacity is increased ; taking properly anchoring measure, the ultimate shear capacity of rc t - section beams of initial loads is higher than that of no initial loads ; under non - anchoring case, because the rehabilitation of rc t - section beams with cfrp laminates are destroyed suddenly, the reinforcement effect maybe decrease

    試驗結果表明，粘貼碳纖維布顯著減小了鋼筋混凝土t梁的裂縫數量和寬度，抑制了裂縫的開展，對提高普通鋼筋混凝土構件耐久性有重要作用；採用適當的錨固措施可以有效防止構件發生早期破壞，提高構件的極限抗剪能力；對于有錨固的粘貼方式，有預加載的t梁抗剪極限承載力明顯高於無預加載的t梁。試驗還表明，在無錨固的情況下，用碳纖維布作抗剪加固后的t梁破壞較突然，有可能使梁的加固效果出現負效應。
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