surface expression 中文意思是什麼

Expression vectorion construction of hepatitis b surface antigen gene and transformation to crowtoe lotus corniculatus

乙肝表面抗原基因表達載體的構建及對百脈根的轉化

The expression of viral antigens on the cell surface and disruption of the cytoskeleton can cause the cell - to - cell interactions and cellular appearance to change, making the cell a target for immune cytolysis

病毒抗原在細胞表面表達，以及細胞骨架的破壞能引起細胞細胞相互作用，細胞的外形會改變，導致細胞成為免疫殺傷的靶位。

Intervention of two different digestion methods on the expression of surface antigen alpha 6 integrin and transferrin receptor in epidermic cells

6整合素和轉鐵蛋白受體表達的干預

Conclusions : prokaryotic and eukaryocytic expression plasmids of the shortened hepatitis b surface antigen were successfully constracted, and the target proteins expressed by iptg induced in escherichia coli. as well as in eukaryocyte ( hepg2 and cos - 7 ), then their antigenity were detected

結論：截短的乙型肝炎表面抗原分子的原核和真核表達』重組質粒成功被構建及分別在人腸桿菌efl得到誘導表達和存貞核細胞ifj表達，並檢測劍其表達產物的抗原特性。

In addition, the premelting mole fraction of the surface of these two metals is fitted with the corresponding temperature to obtain a relational expression which is able to forecast the disordering progress of this surface

另外，通過將該面預熔摩爾分數對溫度進行擬合發現，可以近似地預測（ 001 ）面的預熔過程。

The value of correction coefficient of kinetic energy increases as a result. the water surface profiles of flume experiments are computed by three different methods : adjusting the local head loss coefficient, deduction of backwater area, and application of backwater expression

隨后結合實測水位資料，通過採用調整局部水頭損失系數、扣除回水面積以及壅水公式等不同的水面曲線計算方法對實驗水槽一維水面曲線進行計算。

After studying a lot of documents of computer - graphics and computation of geometrical, based on nurbs, which is a pop expression to describe curve and surface, the author put forward a method ? ? to identify bad point by most excursion, to illustrate how to choose smooth base plane, which is not referred in most documents, and to introduce optimize method of operational research to combine surfaces, especially for surfaces combination with vertex, and improvement of combination effect

在解決多曲面有角點的拼接問題中引入了運籌學的優化方法，改善了多曲面拼接的效果，而且在ugii造型軟體的基礎上，用visualc + + 、 ug / openapi進行二次開發，加入了壞點剔除，曲線光順，曲面片之間的拼接等功能，很好的解決了反求工程中所遇到的問題。

Surface markers on dcs were then analyzed by flow cytometry and the proliferation of t cells was detected by mtt colorimetry. resoults : peripheral blood monocytes from patients of carcinoma treated with rhgm - csf of 1000 u / ml plus il - 4 of 500 u / ml for 7 days could observe dcs with typical morphology. simultaneously there was a decrease in cd 14 expression and increase in hla - dr, cd40, cd83 and cd86 on dcs

結果，癌癥患者外周血中的單核細胞在rhgm - csf1000u ml + il - 4500u ml的條件下培養一周，就可看到典型的樹突狀細胞形態，其表面cd14分子表達減少， hla - dr 、 cd54 、 cd40 、 cd83及cd86分子的表達明顯增高，且具有明顯刺激t細胞增殖的能力，成功地完成了外周血單核細胞來源的dc的培養。

The recombinants were constructed by transforming ppic9 a - xynb into p. pastoris gs115. the assay results revealed that the xylanase gene xynb was overexpressed and secreted effectually in p. pastoris. in 3l fermentor the expression level of xylanase xynba exceeded 1200iu / ml and the expressed xylanase had normal bioactivity. the molecule weight of xynba was determined as about 31kd which is higher than 23kd of original enzyme xynb from streptomyces olivaceoviridis a1. xynbb was gotten by deglycasylation of xynba, whose molecule weight returned to 23kd. we comparised the enzymatic properties of xynba expressed in p. pastoris, xynbb deglycasylated from xynba and xynb produced from streptomyces olivaceoviridis al : there was little difference among the three enzymes on optimal ph, the optimal ph of xynb and xynba were both 5. 2, the optimal ph of xynbb was 5. 0 ; the optimal temperature of xynb and xynba were both 60 c, while the optimal temperature of xynbb was 50 ? ; because of glycosylation the thermal stability of xynba was better than xynb and xynbb ; the specific activity of xynba and xynbb were 883. 88iu / mg and 832. 5hu / mg respectively, which were both lower than 2814. 45iu / mg of xynb ; the km values of xynb and xynba were similar to each other which were 21. 56 ( g / kg ) and 20. 87 ( g / kg ), while the km value of xynbb was 27. 10 ( g / kg ) ; the fmax of xynba and xynbb were 4568umol / mg. min and 5329umol / mg. min respectively which were lower than 27623 umol / mg. min of xynb ; additionally all of the three enzymes did not display cellulase activity. they all had well resistance to pepsion and trypsin, and were not sensitive to metal iron, surface active agent and chelating agent. the analysis of different xylans enzymatic hydrolysate revealed : by xynba, that the main constitutions of enzymatic hydrolysate of birch wood xylans were xylotriose and xyloquaiose, which account for 68. 43 % and 16. 50 % respectively, additionally there was 11. 79 % of xylobiose ; the main constitutions of enzymatic hydrolysate of corncobs xylans were xylobiose and xylotriose, which account for 81. 78 % and 11. 55 %. the result indicated that this xylanase was a kind of 1, 4 - b - d - xylanohydrolase and was fit to used in industrial procession of xylooligosacc harides

進一步對xynba進行了脫糖基化處理得到xynbb ，其分子量恢復到23kd ，證明xynba是糖基化蛋白。通過對畢赤酵母重組表達的木聚糖酶xynba 、脫糖基化的木聚糖酶xynbb以及橄欖綠鏈黴菌a1所產原酶xynb之間酶學性質的比較發現：三種酶的最適ph差異不大， xynb和xynba均為5 . 2 ， xynbb為5 . 0 ； xynb和xynba的最適溫度均為60 ， xynbb降為50 ：在耐熱性上， xynba由於糖基化作用熱穩定性明顯高於未糖基化的xynb和xynbb ； xynba和xynbb的比活性分別為883 . 88iu mg和832 . 51iu mg ，明顯低於原酶的比活2814 . 45iu mg ； xynb和xynba的km值相當，分別為21 . 56 （ g kg ）和20 . 87 （ g kg ） ，而xynbb的km值較大為27 . 10 （ g kg ） ； xynba和xynbb的vmax相差不大，分別為4568 mol mg ? min和5329 mol mg ? min ，明顯低於xynb的27623 mol mg ? min此外三種酶均無纖維素酶活性，對胃蛋白酶和胰蛋白酶有很好的抗性，且對作用環境中的各種離子、表面活性劑、螯合劑不敏感。通過對不同木聚糖的酶解產物的糖份分析發現：以樺木木聚糖為底物時，酶解產物主要為木三糖和木四糖，含量分別為68 . 43和16 . 50 ，另外還含有11 . 79的木二糖；以玉米芯木聚糖為底物時，酶解產物主要為木二糖和木三糖，含量分別為81 . 78和11 . 55 。

The env protein deduced from env gene encodes the hydrophilic surface protein ( su ) and the hydrophobic transmembrane domain ( tm ) that determine the specific interaction between virus particles and cell surface receptors during retroviral entry. the su of retroviruses is a highly variable genetic element, containing receptor binding sites and major antigenic determinants. exjsrv - specific dna probes were derived. by using these dna probes in tissue hybridization. we successfully identified jsrv mrna expression and proviruses dna in sheep lung tissues infected with jsrv and control group has no postive signals, validating the use of exogenous virus - specific dna probes in the analysis of oncogenic proviral integration sites and identification of integrated exogenous proviral sequences

用地高辛隨機引物法標記exjsrv特異的env片段，制備探針，原位雜交檢測spa肺組織中的rna及前病毒dna ，結果表明spa患羊肺組織內有jsrvenv基因mrna的表達，同時也檢測到了前病毒dna ，而相應的陰性對照卻無陽性信號，證實外源性病毒特異的dna探針在致瘤性前病毒的整合位點和整合的外源性前病毒的檢測中具有可信度。

Molecular cloning of human sperm surface protein p34h gene and semi - quantitative analysis of its expression in testis and epididymidis

豬垂體特異性轉錄因子基因多態性的研究

Only the method for using backwater expression can predict the variation of water surface near the spur dike very well. numerical simulations of the flume experiment cases are carried out with the standard k - e turbulence model

隨后採用標準k一e紊流數學模型，依據水槽試驗資料，數值模擬了繞壩和漫壩兩種情況下水流的流動過程。

Are the changes in signal transduction and gene expression related to the structural alteration of the sugar chain on some surface receptors resulting from the transfection with sense or antisense gnt - v

而細胞信號轉導的改變是否與細胞表面某些受體的糖鏈結構的改變（由gnt - v的正義或反義cdna轉染引起的）有關

The results showed the technique suit either completely to immunohistochemical study of the pulp matrix and of the cell surface expression that was weaker antigenicity, or to enzyme histochemical staining of the dental pulp

結果表明，它完全滿足牙髓基質和抗原性較弱的細胞表面標志等成分的免疫組化染色，同時也適用於牙髓的酶組織化學染色。

We find that the behavior of this energy as a function of the boundary surface radius is similar to those of the static black holes, and that the energy at the horizon does reduce to the expression conjectured by martinez

我們發現該能量作為徑向坐標的函數的表現行為與靜態時的情形很類似，而且在事件視界處它確實符合martinez猜測。

The product design eagerly anticipates the international fashion tidalcurrent, the modelling changeable, luster rich, surface smooth, thequality of material is solid, durable, vividly has unfolded themodernized artessence, expression the manifestiong a spirit space, creationfashion life infinite america, is the guesthouse, the hotel, theoffice and the family decoration ideal choice

產品款式引領國際時尚潮流，造型多變，色擇豐富，表面光滑，質地堅實，經久耐用，生動地展現了現代化藝術的精髓，鄣顯靈性空間，創造時尚生活無限美，是賓館、酒店、寫字樓及家庭裝潢的理想選擇。

Northern analysis revealed that p3galt - l was exclusively expressed in the brain while that p4galt - l was expressed highly in testis, moreover, sperm surface p4galt - l was suggested to play a significant role in signal transduction involving the acrosome reaction in the mouse. in the present study, we mainly detected the developmental expression and function of p - galactosyltransferases in mouse brain and testis. we first characterized the developmental expression of 3galt - l in mouse brain

- 1 ， 3 -半乳糖基轉移酶- 1 （ 3galt - 1 ）主要在腦中表達，而- 1 ， 4 -半乳糖基轉移酶- 1在睪丸中表達較高，且精子細胞表面的- 1 ， 4 -半乳糖基轉移酶- 1在精卵結合后的頂體反應中發揮了重要的生理作用。

Research on surface and grain boundary passivation mechanism obtained effects of surface recombination on crystalline silicon solar cell performance and the theoretical expression of grain boundary recombination velocity. the limit ratio of short - circuit current increment for anti - reflection coating utilization on solar cells was obtained. the crystalline silicon solar cell spectral response, contact resistance and minority carrier lifetime measurement systems were established

鈍化機理研究獲得了表面復合對不同表面摻雜濃度晶體硅太陽電池性能的影響、表面和界面復合速度的理論表達式；研究得到了減反射膜對太陽電池短路電流增量比的極限；建立了太陽電池光譜響應、柵線電極接觸電阻和少子壽命等測試系統。

We are now working on the expression and oral vaccination of the hepatitis b virus surface antigen and nucleic antigen by using the expression system in lab

正在利用這一表達體系研究乙肝表面抗原和核心抗原的在乳酸菌中表達及口服免疫。

There are lots of advance or inference relationship in the characters and action of a dream of red mansions, the author combine the opposite character and person on purpose, the reason of it was he wanted to display the difference characters in especial conditon and impact or conflict action. through the surface of expression and feeling to develop and civticize the society

摘要《紅樓夢》中許多人物、情節具有相反相生的對應關系，作者有意把一些性格對立的人物組合在一起，在特定的環境中、在情節的矛盾沖突中展示人物間的性格差異。