直接抑制 的英文怎麼說

中文拼音 [zhíjiēzhì]
直接抑制 英文
direct damping
  • : Ⅰ形容詞1 (成直線的; 硬挺的) straight; stiff 2 (跟地面垂直的; 從上到下的; 從前到后的) erect; v...
  • : Ⅰ動詞1 (靠近;接觸) come into contact with; come close to 2 (連接; 使連接) connect; join; put ...
  • : Ⅰ動詞(向下按; 壓制) restrain; repress; curb Ⅱ連詞[書面語]1 (表示抉擇) or 2 (表示轉折) but3 ...
  • : Ⅰ動詞1 (製造) make; manufacture 2 (擬訂; 規定) draw up; establish 3 (用強力約束; 限定; 管束...
  • 直接 : direct; immediate
  • 抑制 : 1 (控制) restrain; control; check; hold up; curb; stop; repress; bridle; choke; prehension; sup...
  1. It can also restrain the decomposition of organic substances in the soil and the bind of nitrogen, and wash away the nutritious elements, such as magnesium, calcium, and potassium. the acid rain deprives the soil. it acidifies the rivers and lakes, and dissolves the heavy metal in the soil into water, therefore poisons the fish

    它可以使大片森林死亡,農作物枯萎;也會土壤中有機物的分解和氮的固定,淋洗與土壤粒子結合的鈣、鎂、鉀等營養元素,使土壤貧瘠化;還可使湖泊、河流酸化,並溶解土壤和水體底泥中的重金屬進入水中,毒害魚類;加速建築物和文物古跡的腐蝕和風化過程;可能危及人體健康。
  2. Gene engineering technology is more superior than the cross breeding and directive breeding technology with its short cycle, low cost and high benefit. though traditional breeding technology has been used for a long time. now the direct reports for the changes of the flower color by the chi ( chalcone isomerase ) gene are a few what we known.

    關于花色結構基因查爾酮異構酶chi ( chalconeisomerase )基因對花色改變的報道很少,因此,本論文選用了chi基因為目的基因,以純深紅色和純白色矮牽牛( petuniahybidavilm . )為材料,研究了chi基因的共和反義以及表達產物增加對花色改良的作用,並在花色改變植株中首次觀察到花器官變異。
  3. Polymer his - tagged peac1 - gfp efficiently activated myosin mg - atpase activity, which indicated that peacl might take part in correlative living activities in vivo. moreover, this result provided experimental proof in vitro for fusing gfp to actin isoform directly to study the dynamics of microfilaments and its regulation in vivo. we prepared rabbit anti - pea actins polyclonal antibodies using peacl as antigen which being expressed and purified from prokaryotic cells, and the antibodies possessed better immunity activity to pea actins

    通過肌動蛋白體外對dnase以及肌球蛋白atpase活性影響的研究,發現單體his - taggedpeac1 - gfp能顯著dnase活性,在肌動蛋白聚合條件下能有效激活肌球蛋白atpase活性,這一結果預示著peac1在體內可能參與相關的生命活動,為利用gfp與肌動蛋白異型體融合來研究體內微絲的動態變化及其調節提供了實驗依據。
  4. Follistatin antagonises myostatin by a direct protein - protein interaction, which prevents myostatin from executing its inhibitory effect on muscle development

    Myostatin是目前所知的最強的肌肉因子, follistatin通過的蛋白結合而拮抗myostatin對肌肉發育的作用,表現出增肌效應。
  5. The equation including the nonlinear dispersion, i. e. the modified nonlinear schrodinger ( mnls ) equation, is a better model. in this thesis, we take mnls solitons as a model for femtosecond soltions. then based on the recently developed direct perturbation theory for perturbed mnls equation, we study the raman self - frequency shift of femtosecond solitons and its suppression by the means of frequency filters. for this purpose, first, we define the physical parameters of mnls solitons ; next, through the direct perturbation theory for perturbed mnls equation, under adiabatic approximation, we obtain the evolving parameters of mnls soliton on our questions and then choose the parameters of frequency filters based on it ; at last, we directly numerically simulated our questions by split - step fourier ( ssf ) method after improving the arithmetic of the differentiation of the nonlinear item for satisfying mnls equation

    本論文以mnls孤子作為光纖飛秒孤子的模型,通過新近建立的mnls孤子微擾理論,研究光纖中由拉曼效應引起的飛秒孤子在傳輸中的自頻移,以及通過頻率濾波對自頻移的。為此,首先給出描述mnls孤子的各物理量,然後用mnls孤子微擾理論,解析地得到這些問題絕熱近似下的孤子參數演化,並由此選擇頻率濾波的參數,最後用分步傅里葉方法,在對非線性項微商的演算法做出了適合於mnls孤子的改善後,對拉曼效應及頻率濾波進行了數值模擬,其中頻率濾波參數用微擾理論確定。
  6. Based on the epwp and wpwp in conjunction with abnormal north and west wind, a new possible iii mechanism is provided for the evolution of the 1997 / 1998 el nino. to be specific, the warm kelvin wave propagating to east excited by the abnormal west wind can suppress the cold upwelling flow in the eastern pacific, which, in turn, is favorable to the eastern pacific sst increase ; abnormal west wind can make the warm water of the wpwp east edge extend to east, which is conductive directly to eastern pacific sst increase ; the abnormal west wind propagating to east can make the sea surface warm water near two equatorial laterals converge to the equator by ekman drifting, which, in rum, strengthens the downwelling flow near the equator, leading to eastern pacific sst increase

    將東、西太平洋暖池及異常北風、西風一併結合起來考慮,提出1997 1998elnino事件發生、發展的一種新的可能機:異常西風激發東傳的暖kelvin波對東太平洋的冷上翻流有作用,從而有利於東太平洋海表溫度增加;異常西風驅動西太平洋暖池東端暖水向東伸展有利於東太平洋海表溫度增加;東傳的異常西風可以通過埃克曼漂流效應將赤道兩側的海表暖水向赤道輻合從而加強了赤道附近的下沉流,也有利於東太平洋赤道附近海表溫度增加。
  7. Our treatment shows in the raman effect case, mnls solitons, the same as nls solitons, keeps its energy, initial center and initial phase unchanged. however, the raman effect, not the same as nls solitons. reduces its amplitude, widens its width and under the same conditions, the self - frequency shift of mnls soltions is closer to the result of numerical simulation. in the raman effect together with frequency filters case, mnls solitons, the same as nls solitons, keeps initial center and initial phase unchanged and bandwidth - limited frequency filters can make the mean frequency of mnls soltion stand a steady value at the red side of the initial mean frequency, i. e. suppress the self - frequency shift of mnls soltions. and that, the other physical parameters of mnls soltion last stand a steady value. however under the same conditions, the steady value of the mean frequency of mnls soltions is closer to the initial mean frequency and the result of numerical simulation

    有所不同的是, raman效應雖然不改變孤子能量,但會引起孤子峰值的下降和寬度變寬,且在同一條件下, mnls孤子微擾理論得到的自頻移比nls孤子微擾理論得到的更數值計算結果。有限帶寬的頻率濾波也不引起mnls孤子初始中心、初始位相的改變,選取適當的頻率濾波器參數值能使孤子的平均頻率穩定在初始平均頻率的紅側一穩定值,了自頻移,而且孤子的各物理量最後都穩定在一穩定值,這些與nls孤子微擾理論都是類似的。有所不同的是,寬度為飛秒量級下, mnls孤子平均頻率的穩定值更近初始平均頻率,更近數值計算結果。
  8. This paper mainly focuses on the noise limiting by means of the direct sequence spread spectrum ( dsss ) and the analysis of the transmission performance of the plc and some digital modulation technology. the contents of the paper is as follows : 1 ) the technical feasibility is proved after simulating noise limiting principle of dsss by means of systemview, the simulation software ; 2 ) a kind of band pass filter ( bpf ) is realized according to the requirement of filter and the principle of butterworth approximation, which satisfies the index of performance of dsss. 3 ) the low voltage plc system includes the sc1128, the specific modulation / demodulation ic, the bpf filter and other circuit components, furthermore, the control function of system is realized by means of the personal computer and the microcontroller

    本課題在對低壓電力線的傳輸特性和數字調技術進行分析的基礎上,將通信理論中的序列擴頻技術( dsss )用於解決低壓電力線通信的干擾問題,主要研究內容如下: ( 1 )用通信模擬軟體systemview對dsss技術的通信和抗干擾原理進行模擬分析,分別對時域和頻域下採用dsss技術前後收信號的頻譜進行分析,驗證dsss技術在本系統中的可行性; ( 2 )由dsss技術對濾波系統的要求,根據濾波理論分析了巴特沃思型濾波器的逼近原理並設計了合適的濾波電路; ( 3 )用調解調晶元sc1128和自行設計的濾波器加之輔助外圍電路,構造出低壓電力線載波通信系統,並採用atmel公司的單片機設計了收和發射電路的微控器; ( 4 )分別對採取抗干擾措施前後輸入和輸出信號進行對比實驗,並對結果進行分析,驗證了dsss技術對干擾信號的作用。
  9. A c a2 + / calmo dul in - dep endent pro te in kinas e i i ( c amkii ) antagoni st kn - 6 2 ( 5x l0 - ' mol / l ) presented in the intemal solution had no significan effect on the current peaks induced by extracellular nmda ( l0 # mol / l ), but prevented the inhibitory effect of b on inmda " these results indicate that gcs have rapid, reversible idebitory effects on lnmda intracellular application of b thiough microelectrode had no effect on inmda, howevet, extracellular application of b or b - bsa suppressed peaks of inmda : all these denote b exerts its influence on nmda receptor by cytoplasm membrane mechansms, which is naxnely rapid, nongenomic mechhasms

    加有快速、可逆的。非濃度依賴性作用。通過微電極將b導入細胞內, inmda不受影響,而胞外給予b或besa , inmda減小,提示b對nmda受體的調控通過膜機產生,這種作用與經典的基因組機不同;因為廣譜激酶劑和特異的pka劑均可翻轉b的效應, camk11劑也可阻斷b的效應,而這些激酶劑本身對inmda即有強烈的作用: pka激動劑本身對inmda無明顯作用,也不影響b對l 。
  10. It is indicated that the product can suppress human tumor growth in mice

    測試顯示產品能直接抑制癌腫瘤之生長
  11. This dissertation presents how to use the ultrasonic motor as an actuator to suppress the flutter of a two - dimensional airfoil section with a control surface. the ultrasonic motor, which features simple structure, high torque at low speed, small size, low weight and no electromagnetic contamination, is a promising actuator for the flutter suppression of small aircraft

    超聲電機以其結構簡單緊湊、轉矩/質量比大、低速大扭矩、驅動,動態響應快、斷電自鎖和不產生磁場且不受外界磁場干擾等優點,有望成為一種非常有前途的作動器,用於小型飛機的機翼顫振主動
  12. Three kinds of works were described in this thesis with bacillus thuringiensis as major material. 1. autoinducer inactivity protein aii in b. thuringiensis strains and its effect on pathogenicity of plant - pathogen bacteria autoinducer, especially ahl molecule, is a kind of cell - to - cell communication molecule that has extensive distribution in gram - negative plant pathogen bacteria

    蘇雲金芽胞桿菌自身誘導物蛋白aii及其對植物病原菌致病性的影響自身誘導物( autoinducer ,以下簡稱ai )分子是一種廣泛存在於革蘭氏陰性植物病原菌的細胞間信號分子,與病原菌的致病性有著或問的關系。
  13. Further experiments revealed that as the healing nerve began to form the protein myelin - the insulating sheath around nerves - this receptor not only caused a reduction in the macrophages ' binding to myelin, but also an outright repulsion from the forming myelin

    深入研究揭示,當恢復的神經開始產生蛋白質髓鞘-圍繞神經的絕緣鞘-這種受體不但巨噬細胞與髓鞘的結合,還會直接抑制髓鞘的形成。
  14. They are positive regulating proteins and play a very important role in the development of neoplasma. cki are negative regulators taking part in cell cycle, which can directly or indirectly combine with the corresponding cdks to inhibit their activity. cyclin - cdk - cki constitutes a complex network regulating cell cycle

    細胞周期蛋白依賴性激酶因子( cyclindependentkinaseinhibitors , cki )可直接抑制相應的cdk活性或通過與cyclin競爭性結合cdk而起到cyclin - cdk復合物的活性,從而作為負性調節因子參與細胞周期調控。
  15. The current loop technique improves the stabilization bed ability to reduce base disturbance direct drive constraint couple and enhances the torque sturdiness. the stabilization error is reduced with current loop technique under same base angular disturbance

    在轉臺穩定系統中使用電流環技術,提高了轉臺對帶動約束耦合的能力,提高了系統的力矩剛度,在同等的擾動條件下,降低了穩定誤差。
  16. The result shows the high performance concrete ( hpc ) with low w / b normally has denser surface, consuming the ca ( oh ) 2 by pozzolanic reaction and low permeability, which are allowed to restrain effectively the neutralization to decrease the cracking for better durability on concrete

    結果顯示,以低水膠比之高性能混凝土,介面頗為緻密,卜作嵐反應消耗氫氧化鈣,低滲透性等有效的混凝土的中性化,可減低裂縫機率,進而提升混凝土的耐久特性。
  17. Based on the analysis, we bring up a new way of thinking, after considering the characteristics of the dds design in software radio system platform. we adopt the rom compression technique of dds special chip and other optimizing methods in the design. we still bring up a new modified method, of which the compression ratio is 139. 6 : 1

    在此理論分析基礎上,針對在軟體無線電平臺中的數字頻率合成設計特點,對dds專用晶元進行分析后提出新思路,將dds專用晶元中所使用的幅度表壓縮技術用於軟體無線電平臺中的dds設計,同時採用其它輔助方法進行了優化設計,並提出一種新的改進方法,將壓縮比提高到139 . 6 : 1 ,很好的改進了軟體無線電平臺中數字頻率合成的雜散性能。
  18. The paper firstly analyses the fundamental principles of the direct sequence spread spectrum technique, the arithmetic in the frequency - domain by using the technology of the spectrum correlation adaptive filter

    本文首先就設計中選擇採用的序列擴頻技術、以及在頻域中實現序擴頻信號中多窄帶干擾的自適應演算法的基本原理做了分析。
  19. The precursor method could solve the problem that the appearance of pyrochlore phase during the synthesis procedure by avoiding the direct reaction between pbo and nb _ ( 2 ) o _ ( 5 ). furthermore it also could decrease calcination temperature and pbo volatility

    採用二次合成法備pmn - pt鈣鈦礦相,避免了pbo和nb _ 2o _ 5的反應,從而了焦綠石相的生成。
  20. Mr conway and his colleagues find that the degree of product - market regulation has a direct effect, accounting for 10 % of the variation in fdi ' s employment share ; direct restrictions on fdi explain a further 13 %

    康韋和他的同事發現產品市場管的程度對生產率增長的有著影響,其中使用外商投資份額的變化能夠解釋10 % ,對外商投資的能夠解釋另外的13 % 。
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