activation factor 中文意思是什麼

Comprehensive cellular responses was found in human amnion fl cells following exposure to low concentration of mnng, such as the lowering of dna replication fidelity resulted from alteration of dna polymerase profile ; activation of a lot of transcription factors, such as api, creb, nf - kb etc ; clustering of egfr ( epidermal growth factor receptor ) and tnfr ( tumor necrosis factor receptor ) and activation of camp - pka - creb and jnk / sapk signal pathways

我們發現，低劑量mnng處理后的人羊膜fl細胞有廣泛的細胞反應，並有多個信號轉導通路的激活和基因表達的改變。例如dna復制保真度下降， dna聚合酶譜發生改變，應用報告基因技術和底物磷酸化檢出技術證明細胞一系列轉錄因子如ap1 、 creb 、 nf b等被激活，細胞表面受體如表皮生長因子受體、腫瘤壞死因子受體發生聚簇，細胞信號轉導通路camp - pka - creb和jnk sapk被激活。

Chemotaxis mediated by chemokine receptors, such as cxcr4, play a key role in lymphocyte homing and hematopoiesis as well as in breast cancer metastasis. we have previously demonstrated that ? - arrestin2 functions to attenuate cxcr4 - meidated g protein activation and to enhance cxcr4 internalization. here we further show that expression of ( - arrestin2 in both hela and hek293 cells significantly enhanced the chemotactic efficacy of stromal - cell derived factor 1 ( ( sdf - 1 ( ), the specific agonist of cxcr4

- arrestin2是趨化因子受體的一種重要的調節蛋白，本研究工作發現在hek - 293或hela細胞中升高- arrestin2的表達水平會顯著增強cxcr4介導的趨化作用，反之當- arrestin2的表達被它的反義核苷酸或rnai所抑制， cxcr4介導的趨化作用則被明顯抑制。

For example, we have found the clustering of egfr ( epidermic growth factor receptor ) and tnfr ( tumor necrosis factor receptor ) and the activation of camp - pka - creb and jnk / sapk pathways after mnng treatment

例如細胞表面受體如表皮生長因子受體、腫瘤壞死因子受體發生聚簇，細胞信號轉導通路camp kacgyb和jnk sapk被激活。

Oocyte maturation involves the activation of various signal trans - duction pathways that converge to activate maturation - promoting factor ( mpf ) ; this is a key activity that catalyses entry into m - phase of meiosis i and meiosis ii

在爪蟾卵中有大量未被激活的cdc2 - cyclinb復合物，稱為pre - mpf ， pre - mpf在tyr15位脫磷酸變成活性mpf ，起到這個作用的磷酸酶是cdc25 ， cdc25的活性通過磷酸化和細胞位置進行調控。

Cyclins are important proteins in regulating cell cycle, which form the holo - enzyme complex with cdk as a triggering factor in the cell cycle, the assembly and activation, degradation of cyclin - cdk holo - enzyme complex is the main molecular basis of cell cycle regulation

細胞周期蛋白（ cyclin ）是調節細胞周期活動的重要蛋白質，它們與細胞周期蛋白依賴性激酶（ cyclindependentkinase ， cdk ）共同形成的全酶復合體是細胞周期的正性驅動分子。

The results show that the dynamic elastic modulus, loss modulus and complex viscosity of the nanocomposite are higher than those of pp, while the loss factor is lower, that the complex viscosity of the nanocomposites is more sensitive to temperature, and that the flow activation energy and the crystallization temperature increase respectively by 15 % and 10k as compared with pp, which may contribute to the enhanced interfacial interaction between pp and ommt resulting from the addition of tmpp

結果表明：與純聚丙烯相比，納米復合材料具有較高的動態彈性模量、損耗模量和復合粘度，力學損耗因子則降低，納米復合材料的復合粘度對溫度的敏感性略高於聚丙烯；界面改性劑的加入增強了有機蒙脫土與聚丙烯的界面作用，與聚丙烯相比，納米復合材料的流動活化能提高約15 % ，結晶峰溫度提高10k左右。

An array of regulatory proteins have been found, which inhibit the formation of central enzymes involved in early stages of the complement activation pathway. these include membrane cofactor protein ( mcp cd46 ), decay - accelerating factor protein ( daf cd5 5 ), complement receptor 1 ( cr1, cd35 ), as well as cd59, which inhibits formation of the membrane attack complex during later stages. these regulatory factors are widely expressed and abundant on many cells, and in fluids of reproductive system

目前發現，機體多種細胞以及生殖系統的體液中表達和分泌豐富的補體調控蛋白，包括作用於補體活化早期階段的cd55 、 cd46 、 cd35和作用於補體活化終末階段的cd59 ，它們分別通過抑制補體活化過程中關鍵的c3 、 c5轉化酶和抑制形成膜攻擊單位，抵抗補體對自身組織細胞的攻擊。

The activation energy and pre - exponential factor for pyrolysis of the residues were estimated from the kinetic models for first order parallel reactions

研究表明：木質素是木質纖維素類熱裂解產生焦碳的主要來源。

This text completely and systematically studies the status and the development of the pyrolysis and the fluidization of biomass, which distill the bio - oil in the domestic and international area, as well as the existing problems. this thesis primarily include following aspects : ( l ), by experimenting and measuring the energy ( heat value ) and the content of c, h, n chemical element of right 20 kinds of common biomass, on the base of the experimental result, and respectively established the biomass energy predict experiment formula with the element of h and c is from change, and passed the ro. os examination, which provides the basis and convenience for flash pyrolysis fluidization device energy to convert the rate to compute with biomass energy utilization calculation ; ( 2 ), proceeded the tg and dtg experimentation equal velocity ( 10 ? / min, 20 ? / min, 40 ? / min, 60 ? / min ) heating and constant temperature heating by studying on eight kinds of biomass samples, according to the experimental data and arrhenius formula, we established the dynamics model of pyrolysis of, then, using the goast - redfern and p function, we also solved the dynamics parameters and analyze out every kind of biomass ' s frequency factor and parameters of activation energy, and established the every kind of dynamics model of pyrolysis of biomass, all of these provide the theories and basis to make sure the reactor ' s flash pyrolysis work temperature scope design and the describing of pyrolysis reactor dynamics ; ( 3 ), in order to study and ascertain the process of heat completely getting to pyrolysis time of varied size biomass particles, we observed and measured the ratio of length and diameter ( l / d ) with the varied biomass through electron microscope, we concluded the l / d ratios usually is from 5. 0 to 6. 0, the average is 5. 3 ; ( 4 ), we studied the process of biomass transiting and the theory of complete pyrolysis time with the theory of complicated heat field, we got the time ( t ) of the varied size biomass particles arriving to complete pyrolysis, and we knew that the complete pyrolysis time and the time which get to the biggest production ratio are identical, all of these studies provide the theory base for design and forecasting the flash pyrolysis reactor solid state resort time ; ( 5 ), according to the above experiment result, synthesize to make use of the engineering the mechanics, engineering the material, machine the design to learn the principle, deduce, establish the theory of rotation cone flash pyrolysis reactor material resort time ( t ) and reasonable rotation velocity ( or frequency ) relation theory ; and ( 6 ), we gave the reactor ' s smallest cone angle certain, reactor cone wall strength design theory, the reactor production ability theory, the power design method and the critical rotation velocity theory

本文較全面、系統地綜述了國內外生物質熱解液化制取生物燃油技術研究發展現狀及存在的問題，主要研究內容有： （ 1 ）實驗、測定了20種常見生物質的能量（發熱量）和c 、 h 、 n元素含量，根據實驗結果分別建立了以h和c為自變量的生物質能量預測經驗公式，並通過r _ （ 0 . 05 ）檢驗；為閃速熱解液化裝置能量轉化率計算和生物質能量利用率計算提供了依據和方便； （ 2 ）選擇了8種生物質試樣作了等加熱速率（ 10 min 、 20 min 、 40 min 、 60 min ）和恆溫加熱的tg和dtg實驗，根據實驗數據和阿倫尼烏斯公式建立了生物質熱解反應動力學微分方程，並採用goast - redfem積分法和p函數對其動力學參數進行了求解，解析出各種生物質的頻率因子和活化能參數，進而建立了各種生物質的熱解動力學模型，為科學確定反應器的閃速熱解工作溫度范圍及熱解反應動力學描述，提供了理論和依據； （ 3 ）為研究和確定不同尺度的生物質顆粒中心達到全熱解的時間，在體視顯微鏡下對不同粒度的生物質顆粒的長徑比進行了實驗觀察和測定，得出生物質的長徑比（ l d ）一般在5 . 0 6 . 0之間，平均為5 . 3的結果； （ 4 ）採用復雜溫度場傳熱學理論對生物質傳熱過程及充分熱解時間理論進行了研究，解析推導出了不同尺寸生物質顆粒中心溫度達到充分熱解溫度的時間（ t ） ，得出了理論推導的充分熱解時間與最大產油率的熱解時間相一致的結果，為閃速熱解反應器固相滯留時間設計和預測提供了理論依據； （ 5 ）根據上述實驗結果，綜合運用工程力學、工程材料、機械設計學原理，推導、建立了轉錐式閃速熱解反應器物料滯留時間（ ）與轉速（或頻率）合理匹配理論； （ 6 ）提出了轉錐式閃速熱解反應器的最小錐角設計、錐壁強度設計、生產能力設計理論和功率計算方法及臨界轉速理論等。

The controller can ensure reliable cool start, at the same time meet the rapid activation of the warm start. 3 、 the realization theory of the boost power factor correction that uses quasi - length models, uncertain frequency, and peak current - controlled devices, is derived theoretically

根據金鹵燈擊穿電壓?時間的關系，提出了一種採用脈沖變壓器的快速啟動方式，既能保證冷燈可靠啟動，同時又滿足了熱燈快速啟動的要求。

Inhibition of the activation and collagen production of cultured rat hepatic stellate cells by antisense oligonucleotides against transforming growth factor

1反義寡核苷酸對大鼠肝臟星狀細胞激活及其膠原生成的抑制作用

Inhibition of safflor yellow on rabbit platelet activation induced by p latelet activating factor

紅花總黃色素體外抑制血小板激活因子受體結合作用的研究

The effective stimulation natural collogen regeneration, the activation water affinity factor, is restored tender and delicate the flesh smooth, glows the youth brilliance

有效刺激天然膠原蛋白再生，活化親水因子，令肌膚恢復嬌嫩平滑，煥發青春光彩。

Both spla 2 and ceramidehave been shown to inhibit bradykinin -, and pma - induced phospholipase d activation. these results indicated the existence of a subtle intertwined regulatory interaction between intracellular phosphoglycerol lipids and sphingolipids signaling pathways. in addition, we also found that spla can 2 down regulate theepidermal growth factor ( egf ) receptor activation

此外，我們還發現分泌型磷脂酶a能下調表皮生長因子受體的活化，它能明顯的抑製表皮生長因子誘導2的受體自身磷酸化，並抑製表皮生長因子誘導的磷脂酶d活性和磷脂酶c - g的1酪氨酸磷酸化。

Based on trait - activation potential research, a confirmatory factor analysis supported the hypothesis that in - basket test measured thinking competence and managerial function competence

在特徵激活潛能研究的基礎上，第五部分研究對構思指導框架進行實證驗證。

Effects of nuclear factor b activation on expression of inflammatory mediators of alveolar macrophages associated with acute necrotizing pancreatitis

活化對急性壞死性胰腺炎肺泡巨噬細胞炎癥介質表達的影響及意義

Platelet activation is thought to be an important risk factor in blood clotting

而科學界一直有人認為，血小板的活動程度對血凝程度起著至關重要的作用。

The researchers measured the impact of chocolate on platelets in the blood. platelet activation is thought to be an important risk factor in blood clotting

研究人員測量出了巧克力對血液中血小板的影響程度。而科學界一直有人認為，血小板的活動程度對血凝程度起著至關重要的作用。

In recent studies an activation of the tissue factor pathway inhibitor ( tfpi ) could be shown after cutaneous application of mps

最近的研究顯示，皮膚塗抹喜療妥后還能激活組織因子旁路抑制因子（ tfpi ） 。