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。
Newcastle disease virus ( ndv ) strain 695, a thermostable nature avirulent strain, were replicated in embryonated chicken eggsand its rna was extracted from allantoic fluid. referred to the reported sequence of f gene, a pair of primers were designed and synthesized. f gene of ndv b95 strain was amplified by rt - pcr, the pcr products were checked by agrose gel electrophoresis and purified by agrose gel fracion method
利用從國外引進的新城疫熱穩定性天然弱毒b _ （ 95 ）株接種spf雞胚繁殖病毒，經處理后
提取病毒的基因組rna ，參考國內外發表的ndv融合蛋白基因序列，設計一對特異性引物，經反轉錄聚合酶鏈式反應（ rt - pcr ）擴增出約1700bp大小的特異性片段，將此片段回收純化后，利用t - a克隆技術將其克隆到pgem - t - easy克隆載體中，再轉化大腸
桿菌jm109感受態細胞，轉化后經分子量比較、 pcr鑒定和酶切分析篩選陽性克隆。
Lifting appliances. shank hook made of alloyed steel
提升設備.合金鋼制的
桿吊鉤
Destabilization laws of an arcuated built - up system bridge are provided, nonconservative force of hanger rods and members " bearing force are integrated in order to consider influence of hanger rods towards arch stability
提出了拱式組合體系橋梁的失穩規律，將吊
桿非保向力和構件受力結合起來考慮吊
桿對拱穩定性的影響。
With the help of the electronic computers, engineers employ it to figure out nearly all kinds of engineering problems ranging from astronavigation, construction, waterpower projects, ship - building and mechanical engineering etc. owing to the strong power of finite element method, one kind of software pack which based on the method is exploited and named algor feas to resolve problems on structure analysis for trusses and shells. this paper also employ algor feas software pack to analyze and compute the cableway towers, giving the accurate result on stress and displacement both in location and whole. finally, we also bring out some advice on structure improving
在此分析過程中：首先將物理模型簡化為力學模型，主要是將塔架結構按空間
桿單元簡化為空間桁架結構，目的是將力學模型變換為數學模型；這一過程主要是利用autocad2000建立塔架的計算模型；再者，利用algorfeas軟體包讀入autocad建立的塔架計算模型生成初始數據卡利用計算機進行編程進行風載計算，再將計算結論整合入algorfeas產生的初始數據卡中，生成計算數據卡；接著，利用algorfeas軟體包計算塔架在不同載荷情況下的應力圖，位移圖，並且求出在不同載荷條件下的最大位移和最大應力等；然後，對塔架的穩定性進行分析；最後；根據計算結果
提出改進建議。
Public urged to guard against bacillary dysentery
生署
提醒市民慎防
桿菌性痢疾感染
In the research field of food preservation, an intense interest for scientists is focused on the isolation of antimicrobial substances from microbial metabolites. natural biopreservatives derived from traditional fermented foods are generally recognized as safe. in this paper, one strain screened for its safety and broad antimicrobial spectrum and its antimicrobial substance - - bacteriocin are studied in detail
本文從傳統的發酵食品中篩選出一株安全、具有廣譜抗菌活性的芽孢
桿菌，並對其抗菌活性物質細菌素進行分析，為微生物天然生物防腐劑的開發以及在食品中的應用
提供理論依據。
The calculation modes of the coefficient of shrinkage and creep of the bulgy core concrete in steel tube are discussed. based on a few reasonable hypotheses and the stress - strain relation of concrete acquired by the " adjusting valid modulus depending on load time " method, a compact formula is reasoned out, which is applied to calculate the equivalent elastic modulus of the bulgy core concrete considering the affection of shrinkage and creep. so, the analysis of the affection on cfst arch bridge by shrinkage and creep can be progressed by pole - girder fem, further more, the analysis precision is quite high
本文還對核心膨脹混凝土特殊的收縮、徐變系數計算模式展開了探討，在合理的假設前
提下，採用「齡期調整的有效模量法」得到的混凝土的本構關系，推導出鋼管內核心混凝土在考慮徐變影響后的等效彈性模量計算公式，並以此為基礎採用
桿系有限元方法來對鋼管混凝土拱橋進行較高精度的收縮徐變分析。
The existing theoretical analyses have n ' t refelcted this true mechanism of the force transfering in fixed segment of anchor bar. for the sake of studying the working course from elastic to elastoplasticity slide better, this paper put forward shear stress - displacement curve, and solve the internal force distribution along anchor bar by the basic equntion. at the same time, this paper analysize the difference of columniform fixed segment and the segmeng with anchor slab at the foot of anchor bar
為了更好的研究錨
桿在不同荷載作用下，錨
桿的工作狀態從彈性到彈塑性發展的整個過程，本文進行了錨
桿受力的模型實驗研究，根據實驗結果
提出了剪應力與位移的彈塑性本構關系表達式，並根據錨
桿受力的基本方程，求解得出了錨
桿在不同工作狀態下從彈性到彈塑性滑移的全過程中錨
桿的內力分佈。
The degree of ultrastructural changes of rhabdom during light and dark adaptation of compound eye had something to do with the intensity and wavelength of environmental light in m. nipponense
線粒體為光感受膜的合成和降解過程
提供能量。日本沼蝦復眼感
桿束明、暗適應時結構變化程度與外界光強度和光波長度有關。
To solve these problems they concocted hypotheses on how beams, rods and plates behaved under stresses, pressures, or loads.
為了解決這些問題，他們關于梁、
桿和板在應力、壓力或負載下是怎樣變動的
提出了假設。
By means of special designed closely arranged multi. cylinders to meet the irregular contour of shoe sides, ce, 513c can do equalizing side pressing well without dead point. high, top shoe or low, top shoe can be pressed too, with outomaic locating device, very easy to in out shoe, pressure, connection of 2pressing, bars makes pressure even to the outsole without vold
壓
桿相通之設計，使鞋底于壓抵時，受力均勻，不產生空隙且專利之壓
桿自動橫移定位設計，使鞋子之取放方便無阻，能
提高產能，且不使鞋面受損，故除一般鞋類外，無論長統或半長統鞋，亦能方便地操作，且效果亦能塌實。
And ha molecules were synthesized in vitro utilizing excessive active udp - glca and udp - glcnac sugar nucleotide precursors in the presence of a divalent mg2 + or mn2 + ion
經轉化大腸
桿菌dh5a和iptg誘導表達，
提取原生質膜在體外利用活性前驅物合成了透明質酸。以s
This drilling adopts crank connecting link and walking beam percussion mechanism, which make the drilling possess two percussive functions, normal drilling takes connecting link impact as main mode, when encountering special situation and the connecting link impact can not drill, it can transform into hoisting impact, the stroke length can be modulated, it realizes automatic percussive drilling due to continuous operating of connecting link percussive mechanism, these can enhance drilling efficiency and relieve labor intensity ; it adopts pumping reverse circulation to drain slag, which not only resolves the drilling difficulty in special stratum such as pebble and gravel stratum and hard stratum, but also resolves the problem that the percussive drill ' s efficiency is low ; it adopts spur gear differential mechanism as double cylinders lazy tongs of main hoist, which not only ensures the balance state of drilling tool, but also reduces the mechanical design, and reduces the cost ; the bottom plate traveling motion of this drilling machine adopts walking type ; the drilling tower adopts hydraulic pressure uprising, and reduces the assistant operating time
該鉆機採用曲柄連
桿、游梁式沖擊機構，使鉆機具有兩種沖擊功能;正常鉆進以連
桿沖擊為主，遇到特殊情況，用連
桿沖擊不能鉆進時，可轉為卷揚沖擊，沖程可調，因連
桿沖擊機構連續工作，所以實現了自動沖擊鉆進，可
提高鉆進效率，減輕勞動強度;採用泵吸反循環的方式排渣，既能有效解決卵礫石地層、堅硬地層等特殊地層鉆進的困難，又很好地解決了沖擊鉆機效率低下的問題;採用直齒圓柱齒輪差速機構作為主卷揚的雙筒同步機構，既保證了鉆具處于平衡狀態，又大大簡化了該機構設計，降低了成本;該鉆機底盤行走移位採用步履式;鉆塔採用液壓起立，減少了輔助作業時間。
The method of curved lever space rigid frame, a new and practicable numerical method, is based on the utility of reinforced concrete shell structure in practical project and on endogen force analysis of shell structure as this paper extracts
摘要從鋼筋混凝土殼體結構的實際應用出發，對殼體結構內力分析
提出了一種新型實用的數值分析方法曲
桿空間剛架法。
Certain soluble extracts of b pertussis may prove to be effective without engendering serious side effects.
某些可溶性百日咳
桿菌
提取物，可證明用之有效，也不產生嚴重副作用。
We can offer you the following products : europeanism courtyard gate, stair railing, balcony guardrail, bounding wall guardrail, highroad guardrail, steel wood furniture, ad sign and carries on the non - standard equipment through your design with multi - breeds and fine styles
現可為您
提供：歐式庭院大門、樓梯扶手、陽臺護欄、圍墻欄
桿、公路護欄、鋼木傢俱、廣告招牌、承接來圖加工非標準設備等，品種多樣，式樣精美。
The paper is based on the construction of the express - highway between yiyang and changde in hunan province, aiming at enhancing the serviceability of cement concrete pavement, probing into the structural assemblage of the cement concrete pavement, the roadway drainage system, contraction joint with the dowel bar and precaution of bumping at the end of the abutment. it presents some achievements of the research, including more reasonable structural assemblage and roadway drainage system, the method of setting dowelled bar in contraction joint, putting forward the concept of stage - transition from rigid to flexile behind abutment
本文以湖南省益陽至常德高速公路項目為依託，以
提高水泥混凝土路面使用性能為目標，就水泥混凝土路面結構組合、路面排水系統、縮縫設置傳力
桿、橋頭跳車問題的防治等方面開展研究和工程實踐，取得了豐富的研究成果，如研究採用了更合理的路面結構組合，設置了較完善的路面排水系統，在國內高速公路上率先全面採用縮縫加傳力
桿技術，對所有橋涵構造物臺背全部採用剛柔過渡技術處理橋頭跳車問題等。
Bottom operation uncoupling lever
下開式車鉤
提桿
3. based on the purchase of some hardware, the second research on contactless ic card has been carried out, combining with network database, regarding single - chip computer as a core and pertinent periphery circuit as affixation. this thesis achieves the design of toll - display and balustrade and presents the design process and circuit, also accomplishes the frame design of the no stop electronic toll collection system based upon contactless ic card
（ 3 ）在購買部分硬體的基礎上，對非接觸卡系統進行了二次研發，結合網路數據庫，以單片機為核心，附加相關的外圍電路，實現了收費額顯示和提桿機控制箱的設計，給出了具體的設計過程和設計電路，完成了基於非接觸ic卡的不停車收費系統架構設計。
