Objective To contrast the effectiveness with sputum aspirator being used carbasus or common practice of sputum aspirator in pedo-hypospadia operation,we can search a safe,simple and practical procedure to the respiratory passage of the pedo-operations in anaesthesia.

目的 比較紗布吸痰法和常規(guī)吸痰管吸痰法在小兒尿道下裂手術的應用效果欧美曰批视频免费播放免费，尋找一種小兒手術麻醉術中簡單、實用黄色网站影视电影黑人视频在线观看、安全的呼吸道管理方法91视频国产美女裸体。

During the course of AR,abnormalism inflammation in nasal cavity taken place repeateadly、nose-bronchus reflection在线观看国产黄AV免费看、mouth breathing owing to nasal obstruction added the direct stimulus to respiratory passage because of various kinds of allergen etc all have important effect on the occurrence of BA.

變應性鼻炎發(fā)病過程中鼻腔反復發(fā)生變態(tài)性炎癥欧美性爱特黄色视频、鼻-支氣管反射、鼻塞致經(jīng)口呼吸從而增加各種過敏原對呼吸道的直接刺激等對支氣管哮喘的發(fā)生起了重要作用一级A片免费播放清高视频。

Four field strains of infectious bronchitis viruswere isolated from chicken kidney, trachea and lung of the young layer flocks in some regions of Shaanxi province. Biological characterizations of the virus were investigated by virus pathogenicity to chicken embryo and healthy chickens, hemagglutination test, hemagglutination inhibition test, dwarfing embryonated chicken eggs, electron microscopy and reverse transcription polymerase chain reaction. It demonstrated that allantoic fluid of each passage virus could hemagglutinate chicken red blood cells by treatment with 1% trypsin. The standard positive serum to IBV could inhibited the hemagglutination. The isolates could make respiratory and kidney diseases in chickens.

采集陜西省寶雞市大黄av、扶風縣、興平市和榆林市等地雞場疑似傳染性支氣管炎發(fā)病雞病料三级网站在在线观看视频，通過9～11 日齡非免疫雞胚進行了病毒的實驗室分離和傳代色色色s，并對分離毒株進行了病毒的血凝性、血凝抑制性人人爽人人摸人人、致病性欧美亚洲制服变态另类、雞胚矮小化、電鏡特征等生物學特性鑒定亚洲人妻91综合，結(jié)果表明欧美黑人肉体狂欢视频，4 株分離株經(jīng)1%胰酶處理后的各代病毒尿囊液均可凝集雞紅細胞，標準陽性血清可特異性的抑制其凝集性国产三级香港三级人妇，回歸試驗可復制出與自然發(fā)病相同的病例日韩久久久精品，病毒傳代物有明顯的致雞胚矮小化作用，透射電鏡下可見有近似球形亚洲男人社区、直徑100 nm左右的冠狀病毒粒子欧美不卡高清视频，將分離鑒定的4 株IBV 定名為BJ-04、FF-04女人18免费一级特级毛片视频、XP-03 和YL-04久久91精品国产91久。