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41.
研究了奶牛乳房炎发泡药剂的制备方法及其质量控制标准。该药剂是以碳酸氢钠和枸橼酸作发泡剂,研制药物的发泡量为原药液体积的8-12倍。经动物乳房给药试验证实,该药剂安全、无刺激性、在乳腺内分布效果明显优于常规剂型,室温保存有效期为2年。 相似文献
42.
R.N. Chesterton 《New Zealand veterinary journal》2013,61(4):133-134
Extract Lameness is a significant problem in dairy herds in New Zealand. It affects production and causes cows to lose weight. If antibiotics are used, milk has to be withheld from the vat. Cows may go into extended anoestrus and some which fail to conceive have to be culled. Even in its mildest form lameness is an inconvenience to the normal management of the herd. 相似文献
43.
44.
西藏草原毛虫的发生及防治对策 总被引:3,自引:1,他引:3
草原毛虫是西藏草地的主要害虫,它对草地的危害是毁灭性的,导致牧草缺乏,生态环境恶化。通过物理、化学和生物等防治方法,采取合理的措施,可以有效控制草原毛虫的发生和危害。 相似文献
45.
四川省毒害植物——紫茎泽兰调查报告 总被引:30,自引:2,他引:30
紫茎泽兰是恶性毒害植物,已传入攀枝花市和凉山州两地14县3区1市,分布面积375160hm2,每年以20~30km的速度向北向东传播。其繁殖能力和侵占性极强,是农、林、牧业生产的大敌,应采取切实可行的方法,发动群众,人人动手,把防除与开发利用结合起来,开展综合防治。 相似文献
46.
S.R. Porter C. Saegerman G. Van Galen C. Sandersen C. Delguste H. Guyot H. Amory 《Journal of veterinary internal medicine / American College of Veterinary Internal Medicine》2008,22(6):1411-1416
Background: Endocarditis is a rare heart condition with variable clinical expressions in equids. Risk factors for this disease are incompletely understood. Objective: Describe risk factors for endocarditis in equids. Animals: One hundred and fifty‐three equids admitted to Liège University, 9 diagnosed with endocarditis and 144 free from endocarditis but admitted to the hospital with a differential diagnosis including this disease. Methods: Retrospective case‐control study. Results: Equids with endocarditis were significantly younger (mean age = 4.84 ± 5.74 years) than control equids (mean age = 10.8 ± 7.73 years) (P= .01). No sex or breed predisposition was observed. Animals with hyperthermia (odds ratio [OR] = 24.4; confidence interval [CI] = 1.40–428), synovial distension (OR = 13.4; CI = 3.00–59.8), lameness (OR = 6.52; CI = 1.63–26.1), hyperglobulinemia (OR = 26.4; CI = 3.03–229), hypoalbuminemia (OR = 11.4; CI = 1.34–96.8), hyperfibrinogenemia (OR = 9.81; CI = 1.16–82.7), or leukocytosis (OR = 7.12; CI = 1.40–36.4) presented a significantly higher risk of having endocarditis than control horses. The presence of two of the clinical signs mentioned above significantly increased the probability of a diagnosis of endocarditis (P≤ .05). Conclusions and Clinical Importance: Age is associated with equine endocarditis. The diagnostic value of certain clinical signs and abnormalities in blood parameters in this disease are described. 相似文献
47.
对青蒿素及其衍生物的作用机理及近年来其在防治鸡球虫病的应用做了较详细的综述,以期为其在防治鸡球虫病中的应用提供参考。青蒿素被用于治疗疟疾已有几百年的历史,它还具有治疗血吸虫、腹泻及清热、镇静安神的作用,但其在兽医临床中的应用还是一个新领域。 相似文献
48.
49.
蛋鸡舍光照的控制与应用 总被引:4,自引:0,他引:4
光照状况是蛋鸡生产中最为关键的因素之一。本文综述了光照(包括光照时间、强度及光线颜色)对蛋鸡不同生理阶段的作用和光照管理技术,并对照明系统的设计和布置以及相关注意事项进行了总结。 相似文献
50.
In Uganda, control of vector-borne diseases is mainly in form of vector control, and chemotherapy. There have been reports
that acaricides are being misused in the pastoralist systems in Uganda. This is because of the belief by scientists that intensive
application of acaricide is uneconomical and unsustainable particularly in the indigenous cattle. The objective of this study
was to investigate the strategies, rationale and effectiveness of vector-borne disease control by pastoralists. To systematically
carry out these investigations, a combination of qualitative and quantitative research methods was used, in both the collection
and the analysis of data. Cattle keepers were found to control tick-borne diseases (TBDs) mainly through spraying, in contrast
with the control of trypanosomosis for which the main method of control was by chemotherapy. The majority of herders applied
acaricides weekly and used an acaricide of lower strength than recommended by the manufacturers. They used very little acaricide
wash, and spraying was preferred to dipping. Furthermore, pastoralists either treated sick animals themselves or did nothing
at all, rather than using veterinary personnel. Oxytetracycline (OTC) was the drug commonly used in the treatment of TBDs.
Nevertheless, although pastoralists may not have been following recommended practices in their control of ticks and tick-borne
diseases, they were neither wasteful nor uneconomical and their methods appeared to be effective. Trypanosomosis was not a
problem either in Sembabule or Mbarara district. Those who used trypanocides were found to use more drugs than were necessary. 相似文献