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格陵兰NEEM冰芯元素铁研究获重要进展（图）
格陵兰 NEEM 冰芯元素 铁研究
2020/7/9
20世纪90年代初，约翰·马丁（John Martin）基于南极Vostok冰芯中铁元素与CO2浓度之间的显著负相关提出了著名的“铁假说”，即铁元素对“高营养盐、低叶绿素”海域浮游植物具有显著的施肥效应，促进其光合作用及对大气中CO2的吸收，从而调节全球大气中的CO2浓度。过去30年中，人们在海洋沉积物、冰芯、黄土等地质载体中，发现了大量不同时间尺度的“铁施肥”证据。但由于各地质体所处环境差异，越...
Sterility Effect of the Commercial Neem Extract NeemAzal-T/S® (Azadirachta indica A. Jus.) on Male Rats (Rattus norvegicus)
Neem extract sterility histopathology hematology testosterone rodent pests
2010/3/25
Numerous studies with experimental animals have shown that neem seed extracts have transient and reversible effects on sterility. NeemAzal-T/S® (1%) was fed to 3 experimental animal groups via sto...
Sterility and Abortive Effects of the Commercial Neem (Azadirachta indica A. Juss.) Extract NeemAzal- T/S® on Female Rat (Rattus norvegicus)
Neem extract sterility abortion histopathology hematology progesterone
2010/3/25
Azadirachta indica A.Juss. (neem) is an important plant species with reported reversible infertility and spontaneous abortive properties. NeemAzal-T/S® 1% was fed to 3 experimental groups by stoma...
Toxicity of Crude Neem Leaf Extract Against Housefly Musca domestica L. Adults as Compared With DDVP, Dichlorvos
Neem （Azadirachta indica） extract DDVP LD50 House fly （Musca domestica L.）
2010/3/31
Toxicity of neem extract in comparison with DDVP (Dichlorvos) was determined against the housefly ( Musca domestica L). Neem leaf extract was applied at 5, 10, 20, 40 and 80 microgram/fly and DDVP was...
Determination of the Toxicities of Fenpropathrin (Pyrethroid) and Neem Formulation (RB-a+PBO+Tx-100) Against Alphitobius diaperinus Adults and Their Effects on Transaminases
Toxicity Pyrethroid Azadirachta indica Transaminases Alphitobius
2010/4/1
This report describes the determination of the toxicity of two pesticides, neem formulation (RB-a+PBO+Tx-100) and fenpropathrin, on Alphitobius diaperinus adults. The mortalities caused by the two com...
Comparative Toxicological Studies of RB-a (Neem Extract) and Coopex (Permethrin+Bioallethrin) Against Sitophilus oryzae With Reference to Their Effects on Oxygen Consumption and Got, Gpt Activity
Comparative Toxicological Studies RB-a (Neem Extract) Coopex (Permethrin+Bioallethrin)
2010/4/1
The toxicity of a neem extract RB-a in comparison with a pyrethroid, Coopex, was studied along with their effects on GPT and GOT activities and oxygen consumption in S. oryzae. The LD 50 value of Coop...
Comparative Toxicological Studies of RB-a (Neem Extract) and Coopex (Permethrin+Bioallethrin) Against Sitophilus oryzae With Reference to Their Effects on Oxygen Consumption and Got, Gpt Activity
Comparative Toxicological Studies RB-a (Neem Extract) Coopex (Permethrin+Bioallethrin)
2010/4/1
The toxicity of a neem extract RB-a in comparison with a pyrethroid, Coopex, was studied along with their effects on GPT and GOT activities and oxygen consumption in S. oryzae. The LD 50 value of Coop...
Toxicity of Neem Leaves Extract (NLX) Compared With Malathion (57 E.C.) Against Late 3rd Instar Larvae of Culex fatigans(Wild Strain) By WHO Method
Toxicity of Neem Leaves Extract Compared With Malathion
2010/4/1
Among the filariaris causing mosquitoes Culex fatigans is considered an important intermediate host in South-East Asia. Toxicity of ethanolic extract of neem leaves (NLX) is compared with an organopho...