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《南方水产》2004,(5)
040587 电击不影响虹鳟对肠道红嘴病的敏感性=Lack of effect of electroshock on the susceptibility of rainbow trout to enteric redmouth disease[刊,英]/Grizzle J M, Henry T B,Altinok I//J.Aquat.Anim. Heal..-2003,15(1).-87-91 在两个实验中,把2.5-3.5月龄的虹鳟Oncorhynchus mykiss电击后,浸泡在肠道红嘴病(ERM)病原菌耶尔氏菌Yersin- ia ruckeri中。电击条件为:在电导率为70 相似文献
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岫匝兄聘咝阅芊栏苛喜挠跋臁1] Hildebrand J. H.; et. al., Solubility of Non-electrolytes, Remhold, New York. 518 (1949)
[2] Hansen C. M.; Jouvnal of Paint technology, 104, 39(1967)
[3] Huyskens P. L.; et. al., Journal of Coatings Technol 相似文献
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Ichthyological survey in Lake Gehu was carried out from January to December 2008, The analysis of species composition and diversity were also done. Age-structure of Hypophthalmichthys molitrix ( Cuvier et Valenciennes), Aristichthys nobilis (Richardson) and Carassius auratus (Linnaeus) were investigated in the protected areas. 30 species of fishes belonging to 7 orders, 9 families were collected and identified. The results indicated that the dominant species were Pseudobrama sirnoni (Bleeker), Carassius auratus (Linnaeus), Aristichthys nobilis (Richardson) , et al. Average characters of biodiversity indicated that Margalef's index was 2.68, Shannon-Weiner diversity index H' and H"were 2.02 and 2.08, Pielou's index J'and J" were 2.02 and 2.08. The fishery community in Lake Gehu took on character of miniaturization. Age-structure of Hypophthalmichthys molitrix ( Cuvier et Valenciennes) , Aristichthys nobilis (Richardson) and Carassius auratus (Linnaeus) were reasonable. The protection effect was good. Finally, the fishery strategy for the lake has been put forward in view of the above results. 相似文献
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《南方水产》2004,(6)
040698 过氧化氢控制大眼(鱼师)鲈和斑点叉尾(鱼回)鱼种体外柱状细菌引起死亡的功效=Effi- cacy of hydrogen peroxide in controlling mortality associated with external colum- naris on walleye and channel catfish finger- lings[刊,英]/Rach J J,Schleis S M, Gaikowski M…//North.Amer.J. Aquac..-2003,65(4).-300-305 柱状菌感染鱼类多发生在夏季,水温18℃以上可急性暴发。柱状菌首先侵入鱼类 相似文献
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:384,材料因素:380,知识域:314,衬里材料:308,丁基橡胶:296,中国腐蚀与防护学报:288[1] Hildebrand J. H.; et. al., Solubility of Non-electrolytes, Remhold, New York. 518 (1949)
[2] Hansen C. M.; Jouvnal of Paint technology, 104, 39(1967)
[3] Huyskens P. 相似文献
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《南方水产》1996,(5)
960851 挪威大西洋鲑和庸鲽养殖技术的最新改进=Recent improvements of farmingtechniques of Atlantic salmon(Salmo salar)and Atlantic halibut(Hippoglossus hip-poglossus)in Norway[著,英]/Holm J C//Culture of High-Value Marine Fishes in A-sia and the United States.—1994.—231~2391993年,挪威养殖大西洋鲑的产量为16万吨.直接批发价7亿美元,将平均生产成本降低到每千克2美元是可能的。Ⅱ龄鲑反季 相似文献
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《南方水产》1995,(7)
951304水体总硬度和氯化物对眼斑拟石首鱼幼鱼成活、生长和饲料转换的影响=Ef-fect of total water hardness and chloride onsurvival,growth and feed conversion of ju-venile red drum Sciaenops ocellatus[刊,英]/Pursley M J,Wolters World R//J.World.Aquae.Soc..-1994,25(3).-448~453 眼斑拟石首鱼深受美国消费者的喜爱,其商业养殖的最大潜力是亦可在淡水池塘中养殖。为测定培育幼鱼的适宜水质,对水体总硬度和氯化物含量对幼鱼生长、成活和饲料转换的影响进行了试验。试验1水体中含CaCO_3100和200毫克每升,含Cl~-125和 相似文献