It has been demonstrated that complement activating and cr2 cross - linking on b lymphocytes set up a bridge between innate and acquired immunity. the interaction of c3 and cd21 on b lymphocytes will benefit initiating immune response and regulating primary antibody response. cd21 / cd35 is important in the process of antibody avidity maturing, this is critical to b lymphocyte activation especially in the state of low antigen concentration
現己證實補體的活化以及b細胞表面crz的交聯在先天和獲得性免疫之間架起了重要的橋梁,表現為c3與b細胞cdzi的相
互作用有利於啟動抗體應答反應,並對初級抗體應答反應有調節
作用: cdzi cd35對于抗體的親和性成熟具有重要
作用,在抗原濃度低的情況下,對于活化b細胞是至關重要的,而且mlgm (交聯有利於特異的低親和性b細胞對t細胞依賴性抗原和t細胞非依賴性抗原產生免疫應答。
The upper limit on f quoted above already excludes such an admixture due to electromagnetic interactions.
上面引用的F的上限已經排除了由電磁相
互作用引起的這種混合。
Fist of all, on the basis of the research of agone boffins, this author investigates the interaction mechanism of bolts and rock, and introduces the elastic ? lastic analytical resolution which is consist of the liner structure, the equivalent reinforced wall rock and the original wall rock in the simple loading from the equivalent well - proportioned view ; this solution is very important meaning for the engineering design. on the basis of coulomb friction model, the author introduces the finite element equation of the contact problem in order to provide the academic foundation for the application of msc. marc. finally, combining the engineering practice of the non - linear analysis of shield tunnel through yellow river of the south - north water transfer and using the model of friction, the author researched the evolution law of stress and displacement field in the structure of grouted rock bolts, and analyzed the effect to the stress and deformation of surrounding rock mass due to anchor supports
首先,在前人研究成果的基礎上,對錨桿與圍巖的相
互作用機理進行研究,利用全長錨固錨桿的中性點理論,從等效均化的角度來考慮錨桿對圍巖的加固
作用,並推導了在簡單荷載
作用下,含有襯砌、等效加固后的圍巖、原始圍巖三者的彈塑性解析解,對工程設計有著重要的參考意義;在數值模擬方面,以考慮錨固圍巖滿足規則化庫侖摩擦模型為基礎,利用虛功原理推導了接觸問題的有限元方程的計算格式,為開發運用大型商用有限元軟體msc . marc提供了理論根據,也形成了本文的理論基礎:最後,論文以南水北調東線穿黃隧洞穩定性分析項目為工程實例,利用本文所述的接觸問題的摩擦模型理論,對錨桿支護結構的應力場、位移場的變化規律進行了研究,分析了加錨支護對隧洞圍巖應力、變形的影響。
A new numerical procedure for analyzing the coupled vibration of a framed arch bridge with a single moving vehicle is presented to solve the equations of motion of a bridge with many degrees of freedom. the procedure consists in dividing the bridge - vehicle systems, which are solved separately, into 2 subsystems at the interface of the bridge and vehicle. the compatibility at the interface is obtained by an iterative procedure with aitken acceleration
本文提出新的計算橋梁車激振動反應的方法,車?橋系統被分成兩個相
互作用的子系統,這兩個子系統通過接觸點的協調條件耦合在一起,從而應用aiken動態加速法對橋梁運動方程、車輛運動方程和車?橋耦合方程進行高效迭代求解。
On the interaction of alizarin red s with borax and spectrophotometric determination of copper
與硼砂相
互作用及其分光光度法測定銅
Exact quantum theory for alkali metal atom in interaction of orbit and spin
軌道相
互作用的堿金屬原子的精確量子論
It is important that study gamma - ray spectrometry of field rock and soil in the earth ' s crust. its energies range between 30kev and 3000kev, where there is much information of natural radioactive nuclides, such as uranium, thorium, potassium, and information of artificial radioactive nuclides, such as cesium, americium, cobalt, and information of the results in interaction between gamma - ray and earth ' s crust
研究表明:野外地面射線能譜測量主要研究地殼巖石土壤中產生的能量約為30kev 3000kev的射線,這裡面包含著鈾、釷、鉀等天然放射性核素信息,核工程活動產生的大量人工放射性核素信息以及射線與地殼相
互作用產生的相關信息。
Conclusion : there is no self - interaction of hemoglobin in pisces cyprinus carpio and amphibia rana catesbeiana
結論:鯉魚、牛蛙的血紅蛋白自身不相
互作用。
Objective : to study the self - interaction of hemoglobin in pisces cyprinus carpio and amphibia rana catesbeiana
摘要目的:研究魚綱動物鯉魚和兩棲綱動物牛蛙血紅蛋白自身的相
互作用。
The interaction between dna and amphoteric surfactants
與兩性表面活性劑相
互作用研究
England ' s opium trade and the cannon from in the ignorant condition which passed on from generation to generation awaken the chinese, cause they to produce the revolutionary struggle enthusiasm ; it will break the condition which china will close the borders and practice isolationism, will cause china to realize with the outside world relation, thus will promote chinese ancient regime demise ; china ' s social development in the process which will affect mutually is realizing with the western country social development
英國的鴉片貿易和大炮將中國人從世代相傳的愚昧狀態中喚醒,使他們產生了革命斗爭的熱情;它將打破中國閉關自守的狀態,使中國實現同外部世界的聯系,從而促進中國舊制度的滅亡;中國的社會發展在同西方國家的社會發展的相
互作用過程中實現。
The anharmonic effect of atomic vibration taken into account and from the potential energy which reacts each other among atoms, boltzmann statistical principle used, the relation formula of temperature and the distance change between atoms and coefficient of linear expansion is derived
摘要考慮原子振動的非簡諧效應,從原子間相
互作用勢能入手,運用玻爾茲曼統計原理,推出了原子間距的變化與溫度的關系式,並導出了固體的線脹系數。
Treating the anharmonic terms of potential energy as perturbations, and employing the formulas for atomic displacements and hamiltonian in phonon occupation number representation, the formulas for thermal expansion coefficients of crystal nano - wires are derived and the numerical calculations are carried out in this paper
摘要將原子間相
互作用勢的非諧項
作為微擾,運用聲子數表象中的晶格原子振動位移和晶格振動哈密頓公式,推導了納米晶體線的熱膨脹系數公式,並進行了數值計算。
Abstract : considering the second nearest - neighbor interaction and cubic, quartic anharmonic interactions simultaneously, we employ the multiple scales method combined with a quasidiscreteness approximation to calculate the lattice vibration. it is shown that the kind of nonlinear chain exhibits envelope soliton, envelope kink and envelope antikink soliton. these results can also be used to explain the experimental phenomena that the kink amplitude of the self - localized structure is determined only by the intrinsic properties of its lattices
文摘:同時考慮次近鄰諧振相
互作用和三次方、四次方非諧相
互作用,利用多重尺度結合準離散近似方法去計算晶格振動行為,發現一維非線性點陣中存在包絡孤子及正扭結型包絡孤子、反扭結型包絡孤子,解釋了自局域結構的幅度只取決于點陣中的固有參數的實驗現象
The interaction of antibiotics is conditioned by many factors.
抗菌素的相
互作用受許多因素制約。
Interaction of antimatters
反物質的相
互作用
By comparing theoretical predictions with experimental data, one can obtain a valuable information on the form of the qq interaction potential. such information is of great practical interest, since at present it is not possible to obtain the quark - antiquark ( qq ) potential in the whole range of distances from the first principles of qcd
夸克勢模型是其中重要的模型之一,它不僅能研究強子的基態,而且能研究激發態,但是,源於在中和大距離與qcd真空的復雜結構有關的非微擾特徵,還不可能獲得整個距離范圍內的夸克?反夸克相互作用勢。