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 the same time because of the insolubility of calcium phosphate, topical extortionate concentration of calcium ions and phosphate ions, the vary of ph value and the effect of osteoblasts and proteins in oregano - bone matrix, the calcium ions and phosphate ions gave birth to crystal nucleus and came into being osteo - salt deposition, furthermore to form mineralized bone. finally, at the host osseous lamella far away the implanting area we found some material granules
藉助于掃描電鏡等測試手段，實驗發現隨著植入時間的延長，材料區域的面積不斷
縮小，晶體顆粒間的
頸部連接斷開，顆粒的結構和形貌發生了較大的變化，且材料的內部出現了生命元素碳和硫等。
While urinate the detrusor has the bladder contracted, inter and outer sphincters relax, the urine is released from the bladder, while ejaculate the amyofibre of prostate is contracted as well as the urethra inner sphincter is contracted to close the bladder neck and the outer sphincter opened, the semen is ejaculated outside. if the regulation is out of control, the inner sphincter wouldn t colse the bladder neck, instead the outer sphinecter is opened to close the door for the semen ejection, as result the semen only flows backward into the bladder, this is called " reversed ejaculation ". because the semen could not be ejaculated into vagina, the fecundation and bearing doesn t occur
當排尿時，逼尿肌收
縮膀胱，內外括約肌放鬆，尿被排出體外射精時，前列腺肌纖維收
縮的同時，尿道括約肌也收
縮，關閉膀胱
頸部，而外括約肌開放，精液便射出體外如果調節失控，內括約肌未關閉膀胱開口，而外括約肌反而收
縮，關閉了遠端的門戶，結果精液只能倒流入膀胱，這就叫「逆行射精」 ，精液未能射入陰道，也就不能受精生育。
The electric arc tube s shell shaped and neck shrank method is put forward according as the quartz glass characteristic
本文介紹電弧管泡殼成形、
縮頸工藝和設備的研究。
Abstract : the shaped technique of the electric arc tube s shell with neck, which is used in the small power metal - halide lamp, is introduced in this paper
摘要:超小功率高強度氣體放電燈電弧管電極極間距誤差要求小，二電極對中要求高，所以採用在電弧管泡殼兩端加
縮頸來定位電極。
Standard specification for laboratory glass multiple neck distilling boiling flasks
實驗室玻璃多功能
縮頸蒸餾燒瓶和長勁燒瓶的標準規范
Tools for pressing - ball - lock punch retainers - types c and d, reduced for light duty
沖壓工具.球鎖緊的沖頭固定板.輕型
縮頸c和d型
Aerospace ; hexagon bolts with waisted shank and mj thread, steel nominal tensile strength 1100 mpa, for temperatures up to 235 c
航空和航天.帶mj螺紋
縮頸標稱抗拉強度1100mpa
Aerospace ; hexagon bolts with waisted shank and mj thread, titanium alloy, nominal tensile strength 1100 mpa, for temperature up to 315 c
航空和航天.帶mj螺紋
縮頸標稱抗拉強度1100mpa
For the fe - 2 % c - 4 % v - 4 % mo - 5 % cr - x % w alloy system, the peak value of quenching appears in 950 - 1100. the peak value increases with the increment of w. when the content of w is 2 %, the temperature of temper hardening is 550. for the fe - 2 % c - 4 % v - 4 % mo - 5 % cr - 2 % w alloy, the appropriate quenching temperature can be controlled in 1000 1050 and the time of preserving heat is 12min
57 （原於百分比，人分析表明， mg的變質作用的產生是由於mg影響了合金元素的偏析，使得基體組織中合金元素含量增加，相當于使合金分配系數k更偏離於1 ，從而促進了形成縮頸、晶粒繁殖和成分過冷傾向。
