Spf chickens with 21 - day - old were infected subcutaneously with oil - emulsion vaccine of ibdv of germinal or cellcular and injected intramuscularly with different dosages bursin which gain through ultrafilter. lt is proved that bursin of chickens and ducks can both shorten the time of antibody induced against ibdv, raise the level of serum antibody. they make chickens obtaining strong immunocompetente in a short time. agp liters of the group of infecting 0. 4mlcbs + ibdv of germinal and 0. 8mlcbs + ibdv of cellcular or 0. 8mldbs + ibdv of germinal and cellcular are higher than immune control group about 2 liters averagely. the chickens were inoculated with ibdv live vaccine mixed with the different dosages of lyophilized bursin by the eye drop method. the results sugest that cbs or dbs of different dosages can both improve the antibody inducation to different age chickens against ibdv. they may also alleviate the immunological injury of activated virus to bursa of fabricius. and promote the repairation of the lesion. it can be found that bs can raise body weight gain and feed coversion ratio
將超濾獲得的法氏囊活性肽分別以不同劑量肌肉注射21日齡spf雞，同時
頸部皮下注射ibd胚毒或細胞毒滅活苗，結果表明：雞、鴨法氏囊活性肽都能夠
縮短ibd油苗誘導產生抗體的時間，提高抗體水平，使雞可以在比較短的時間內獲得堅強的免疫。 0 . 4mlcbs胚毒組和0 . 8mlcbs細胞毒組或0 . 8mldbs胚毒和細胞毒組的agp抗體滴度平均比免疫對照組高2個滴度。將法氏囊活性肽與ibd活苗聯合免疫雞，結果表明：不同劑量的cbs和dbs都可以對不同日齡雞ibd抗體的產生有不同程度的促進作用；還可以減少弱毒對雞法氏囊組織的損傷，加快其修復。
The frame parts are important components to build the framework of the aircraft, which quality and efficiency of the machining determines the manufacturing time and performance of the whole aircraft. in present more time was spend in designing the fixture when producing the aircraft. so the technology of computer aided fixture design ( cafd ) was studied to meet the requirement of aircraft manufactuing enterprise to enduce the fixture design cost and enhance quality
在結構件的數控加工中，要花費大量時間進行夾具設計，傳統的夾具設計方式已成為
縮短飛機生產周期的瓶
頸，快速地設計出滿足製造要求的夾具是飛機製造企業的迫切需要，計算機輔助夾具設計正是為了適應這一要求而產生的。
Conclusion urethral stricture, bladder neck spasm, dysfunction of bladder and rudimental gland are main causes which lead to obstructive voiding symptoms in postoperative bph
結論尿道狹窄，膀胱
頸攣
縮，腺體殘留，膀胱功能異常是良性前列腺增生術後排尿困難的常見原因。
The physical signs of jugular vein engorgement and gallop rhythm as well as the pericardial calcification on the chest roentgeno gram lead to the diagnosis of constrictive pericarditis
身體理學檢查發現
頸靜脈擴張及心音奔馬節律，同時放射腺攝影顯示心包膜鈣化引導我們診斷緊
縮性心包膜炎。
At this point, tensile fracture partially occurred, as evidenced by some apparent necking.
這時，一些明顯的
頸縮現象表明，發生了局部拉伸斷裂。
Extensive through-thickness shear causes crack-tip necking.
大范圍的穿透厚度剪切引裂紋頂端的
頸縮。
But the stress - strain relationship is in complex stress condition after the necking starts
但是，從
頸縮開始，其應力應變關系處于復雜應力狀態。
The complex stress calculation formula, after starting of necking in simple tension experiment, is deduced in the paper
導出了單向拉伸試驗
頸縮開始后復雜應力的計算公式。
The 3 - d numerical simulation shows that the temperature rise of necking region is higher than that of no - necking region
對無氧銅在破碎前出現塑性失穩多重
頸縮進行了初步分析，利用能量平衡的破碎理論給出了無氧銅環的破碎分佈。
With a detailed understanding of strength in alloys, this lecture begins to address the issue of ductility and toughness. necking and cleavage cracking are discussed in terms of prior concepts
在詳細的了解合金的強度之後，這堂課開始說明延性及韌性。並以前面所學的觀念探討
頸縮及劈裂破壞。
Taking outlet tube fittings as an example, the multi drawing process have been specified, with proposal of the as necked - down, abnormal flatness of flange etc. stamping characteristics for such stampings during solutions to the problems in tooling adjustment, such as necked - down, abnormal flatness of flange etc
摘要以出水管接頭為例，說明了管接頭類沖壓件在多次拉深過程中的工藝特點，並提出了模具調試過程中拉深
頸縮、法蘭平面度超差等問題的解決措施。
Simulated results showed that the position and the evolution process of necks are influenced by tensile strain rates. uniform deformation covers only a small fraction of the total deformation. however, at the steady - like flow stage, restrictions and accommodations between scattered localizations promote large uniform deformation
數值結果表明，
頸縮的位置及發展過程受拉伸應變速率影響，完全均勻變形在總變形中實際占份量較小，而似穩流動階段的分散不均勻性的相互牽制與協調，使率敏感材料得以在接近均勻的狀態下經受大的變形。
On the basis of macroscopic simulated results, polycrystal model including grain boundary zones was established to model the mesoscopic processes
在宏觀模擬結果基礎上，通過建立包含晶界影響區的多晶模型，對宏觀拉伸試樣頸縮微區的細觀變形過程進行了數值模擬分析。
