全文获取类型
收费全文 | 45篇 |
免费 | 4篇 |
专业分类
林业 | 1篇 |
农学 | 3篇 |
2篇 | |
综合类 | 14篇 |
农作物 | 7篇 |
水产渔业 | 2篇 |
畜牧兽医 | 20篇 |
出版年
2016年 | 1篇 |
2015年 | 1篇 |
2014年 | 1篇 |
2013年 | 1篇 |
2012年 | 1篇 |
2011年 | 1篇 |
2010年 | 3篇 |
2009年 | 1篇 |
2008年 | 2篇 |
2007年 | 2篇 |
2006年 | 2篇 |
2005年 | 1篇 |
2004年 | 1篇 |
2003年 | 1篇 |
2001年 | 1篇 |
2000年 | 1篇 |
1999年 | 1篇 |
1998年 | 3篇 |
1997年 | 2篇 |
1994年 | 1篇 |
1993年 | 2篇 |
1992年 | 1篇 |
1991年 | 1篇 |
1990年 | 1篇 |
1987年 | 1篇 |
1985年 | 1篇 |
1981年 | 1篇 |
1979年 | 1篇 |
1976年 | 2篇 |
1974年 | 1篇 |
1969年 | 1篇 |
1954年 | 2篇 |
1930年 | 2篇 |
1928年 | 4篇 |
排序方式: 共有49条查询结果,搜索用时 0 毫秒
41.
Dixon JB Savage M Wattret A Taylor P Ross G Carter SD Kelly DF Haywood S Phythian C Macintyre AR Bell SC Knottenbelt DC Green JR 《Veterinary clinical pathology / American Society for Veterinary Clinical Pathology》2000,29(3):84-86
Abstract: A condition resembling acquired immunodeficiency with anemia has been described in British Fell pony foals. The pathogenesis is unknown. The present study involved 322 foals of which 164 were of Fell breed and 12 were affected. Discriminant and multiple regression analyses were used to test the results of all clinical pathology parameters from these foals for statistical association with (1) breed origin and (2) presence of disease. Only hematocrit associated significantly with presence of disease. However, significant associations were found with Fell breed origin, including serum albumin concentration and lymphocyte count. The unexpected discovery of sporadic lymphocytosis in the breed indicates the value of this kind of analysis and may be evidence that Fell foal immunodeficiency is associated with retroviral infection. 相似文献
42.
DIGITAL RADIOGRAPHY ARTIFACTS 总被引:1,自引:1,他引:0
WM TOD DROST DAVID J. REESE WILLIAM J. HORNOF 《Veterinary radiology & ultrasound》2008,49(S1):S48-S56
Radiographic artifacts may mimic a clinical feature, impair image quality, or obscure abnormalities. With the development of digital radiography (DR), a new set of artifacts is introduced. Regardless of the technology, the classic technical errors that occur with film screen radiography still occur using DR. Artifacts created using computed radiography, DR, and incorrect image processing are discussed. Methods for correction of the artifacts are presented. 相似文献
43.
44.
45.
46.
LMO2-associated clonal T cell proliferation in two patients after gene therapy for SCID-X1 总被引:1,自引:0,他引:1
Hacein-Bey-Abina S Von Kalle C Schmidt M McCormack MP Wulffraat N Leboulch P Lim A Osborne CS Pawliuk R Morillon E Sorensen R Forster A Fraser P Cohen JI de Saint Basile G Alexander I Wintergerst U Frebourg T Aurias A Stoppa-Lyonnet D Romana S Radford-Weiss I Gross F Valensi F Delabesse E Macintyre E Sigaux F Soulier J Leiva LE Wissler M Prinz C Rabbitts TH Le Deist F Fischer A Cavazzana-Calvo M 《Science (New York, N.Y.)》2003,302(5644):415-419
47.
48.
49.
Computer simulation with plotter output reveals the close interrelation between ambient light and the skeletal morphogenesis of the massive Caribbean reef coral Montastrea annularis. This technique illustrates a new quantitative approach to evaluating ecological growth responses of colonial organisms. 相似文献