搜索结果: 1-15 共查到“知识库 医学 R/FR”相关记录16条 . 查询时间(0.015 秒)
麦角菌在寄主植物上的接种栽培Ⅰ 麦角菌 Claviceps microcephala(Wallr.)Tul.及 C.purpurea(Fr.)Tul.不同菌系在麦类上的接种栽培
麦角菌 接种栽培 黑麦
2009/12/1
1957—1959年以麦角菌Claviceps microcephala (Walir.)Tul.的Ce5,Ce5-29-1及Ce5-35-1等3个优良菌系分別在大麦、小麦及黑麦等的23个品种上进行了接种栽培。Ce5菌系在不同麦类上有很强的寄生力,在三种麦类上的穗寄生率,黑麦类較大麦及小麦高,且感染力也强,在黑麦类中冬黑麦又比春黑麦易于感染,三种麦类所产麦角千粒重以黑麦类为高,大麦类及小麦类为低。...
Mandibular Growth, Condyle Position and Fränkel Appliance Therapy
Mandibular Growth Condyle Position Frä nkel Appliance Therapy
2009/3/2
A statistical evaluation of condyle position and mandibular length changes in 10 patients after one year of Fränkel appliance therapy, finding the condyle forward on the eminence in 4 of them. ...
Treatment Effects of Fränkel, Activator and Extraoral Traction Appliances
Treatment Effects Frä nkel Activator Extraoral Traction Appliances
2009/3/2
A statistical comparison of some effects of Fränkel, activator and extraoral traction therapy. Maxillary retraction was greatest with high-pull headgear. Lower face height was too variable to...
Four case reports demonstrating different responses to treatment with the Fränkel appliance in varied situations.
Maxillary Skeletal and Dental Change With Fränkel Appliance Therapy
EXPANSION FUNCTIONAL REGULATOR (FR) IMPLANT MAXILLA PALATAL SUTURE
2009/3/2
An implant study using postero- anterior cephalometric radiographs to evaluate expansion effects of the Frankel appliance. Significant alveolar and apical base expansion was found in the treatment...
Maxillary Incisolabial Responses in Class II, Division I Treatment With Fränkel and Edgewise
EDGEWISE LIP FRÄ NKEL MALOCCLUSION CLASS II.
2009/2/26
Fifty patients treated with Fränkel and fifty treated with Edgewise appliances are compared, finding Edgewise more effective in maxillary retraction and torque control, and Fränkel produ...
Frontal Facial Changes with the Fränkel Appliance
CEPHALOMETRICS FRANKEL FRONTAL VIEW FUNCTIONAL APPLIANCE WIDTH
2009/2/26
A study of 50 cases treated with the Fränkel appliance shows significantly greater increase in bigonial width and related decrease in frontofacial taper as seen in the P–A cephalometric view ...
Treatment Effects Produced by Fränkel Appliance in Patients with Class II, Division 1 Malocclusion
Functional Regulator appliance Class II division 1 malocclusion Functional orthopedics
2008/12/26
The purpose of this investigation was to evaluate the dentoalveolar and skeletal cephalometric changes produced by the Fränkel appliance in individuals with a Class II, division 1 malocclusio...
Occlusal Changes of Class II Malocclusion Treatment between Fränkel and the Eruption Guidance Appliances
Occlusal changes Frä nkel appliance eruption guidance appliance
2008/12/15
The objective of this study was to compare the occlusal changes of Class II malocclusion treatment provided by two different types of appliances. Group 1 comprised 25 patients treated with the Fr&...
FR-Ⅲ矫治早期反后颌面改变
2007/7/25
本研究共收集FR-Ⅲ矫治的乳牙期、替牙期反64例，分别对其矫治前后的牙模型、颞颌关节片及头影侧位片进行测量，综合分析FR-Ⅲ矫治前后颌面的变化规律，进而更深入地揭示FR-Ⅲ的矫治原理。
Frnkel矫治器对安氏Ⅱ类错患者髁突和下颌位置的影响
髁突 功能矫形治疗 安氏Ⅱ类错
2010/8/20
目的 了解Fr? nkel 矫治器治疗安氏Ⅱ类错 过程中,髁突和下颌位置的变化情况。方法 选择经Fr? nkel矫治器治疗成功的安氏Ⅱ类错 患者30 例,男女各15 例,对其治疗前后的头颅侧位定位片进行X线头影测量重叠分析。结果 ①前颅底结构重叠显示治疗后患者的髁突点、下颌角点和颏前点发生明显的下移,同时男性患者颏前点发生明显的前移。②下颌结构重叠显示治疗后患者的髁突点发生明显的上移和后移(移位比...
色谱指纹图谱指数F和相对指数Fr的研究
色谱指纹图谱指数 色谱指纹图谱相对指数 射干抗病毒注射液
2010/3/15
目的提出色谱指纹图谱指数(F)和相对指数(Fr)概念，用F和Fr揭示中药色谱指纹图谱信息的丰富程度和分离情况，反映指纹信号强度的大小和均化程度。方法用HPLC和HPCE指纹图谱实验结果进行应用研究。结果评价了射干抗病毒注射液及其各单味药材的指纹图谱结果，并对文献中丹参HPLC指纹图谱进行了评价。当评价中药毛细管电泳指纹图谱时，其F无显著差别，但Fr是HPLC法的1000倍之上。结论F与Fr可客观、...
IN VITRO TOXICITY OF INDOOR CHAETOMIUM KUNZE EX FR.
Chaetomium sp. ndoor environment ciliostatic metabolites
2010/12/24
Microscopic fungi in the indoor environment present a serious health risk for people living in affected buildings. The potentially toxic ascomycete genus Chaetomium is supposed to be the third most fr...
FrnkelⅡ型矫治器对儿童上气道矢状径的影响
Fr¨ankelⅡ型矫治器 上气道 X线头颅定位侧位片
2010/8/20
目的 探讨Fr¨ankel Ⅱ型功能矫治器对儿童上气道变化的影响。方法 随机抽取经Fr¨ankel Ⅱ型矫治器治疗的安氏Ⅱ类1 分类错 患儿20 例,其中男、女各10 例,年龄9～10 岁,比较其X线头颅定位侧位片中上气道矢状径在治疗前后的变化。结果 治疗后,儿童骨性鼻咽( PNS-Ba) 、Mcnamara 线、软腭—软腭后咽壁距(SPP-SP2PW) 、舌咽部最小距离(P- T) 和喉咽部会厌...