Isla San Pedro Nolasco(ISPN)is a structural high bounded by inactive dextral oblique-slip faults in the east-central part of the Gulf of California rift zone and is composed of intrusive rocks not exposed on other Gul...Isla San Pedro Nolasco(ISPN)is a structural high bounded by inactive dextral oblique-slip faults in the east-central part of the Gulf of California rift zone and is composed of intrusive rocks not exposed on other Gulf of California islands.Here we present the reconnaissance results from geological mapping,as well as first geochemical and geochronological data for the ISPN intrusive complex.The intrusive rocks compose a sheet-like body of intermediate and felsic composition intruded by an intermediate and acidic dike swarm.All intrusive rocks(host and dikes)range in age from ca.9 Ma to 10 Ma(^(40)Ar/^(39)Ar)and show a hydrous ferromagnesian mineral association(amphibole and biotite)with a calc-alkalic and transitional affinity.This hydrated mineralogical association has not been recognized in the coeval rocks along the onshore western margin of the North American plate(coastal Sonora).However,such hydrous mineralogical association is found in the coeval rift transitional volcanic rocks from the Baja California Microplate at Santa Rosalía and Bahía de LosÁngeles–Bahía de LasÁnimas.The ISPN continental block,at least 40 km long,has been pulled apart by transtensional faulting of the late Miocene Gulf of California shear zone before the westward migration of the North America-Pacific plate boundary at ca.3–2 Ma.Eventually,ISPN became isolated as an island during the late Miocene flooding of the Gulf of California seaway.展开更多
为了建立牛轭湖病毒(Bayou virus,BAYV)、纽约病毒(New York virus,NYV)、厄尼诺洛峡谷病毒(El Moro Canyon virus,ELMCV)以及岛景病毒(Isla Vista virus,ISLAV)四种病毒快速筛查、诊断的核酸检测技术,本研究选用上述四种病毒的N蛋白基...为了建立牛轭湖病毒(Bayou virus,BAYV)、纽约病毒(New York virus,NYV)、厄尼诺洛峡谷病毒(El Moro Canyon virus,ELMCV)以及岛景病毒(Isla Vista virus,ISLAV)四种病毒快速筛查、诊断的核酸检测技术,本研究选用上述四种病毒的N蛋白基因作为靶标区域设计四组特异性引物探针,建立四重实时荧光定量RT-PCR检测方法。用四种病毒体外转录RNA进行灵敏度和重复性验证,并使用其他病毒细胞培养物及体外转录RNA进行特异性验证。结果显示,四重实时荧光定量PCR扩增效率均可达到95%以上,四种病毒体外转录RNA灵敏度介于1~10拷贝/μL,与单重检测方法无明显差异,且与其他病毒无交叉反应。稳定性评价结果显示,批内、批间变异系数均在3%以内。本研究所建立的检测方法具有良好的敏感性、特异性和重复性,可用于相关样本的诊断与筛查。展开更多
According to a report released by China Hunan Nonferrous Metals Co. Ltd., the company has entered a preliminary agreement with King Island Scheelite Ltd. of Australia to develop a scheelite mine there. Based on the ag...According to a report released by China Hunan Nonferrous Metals Co. Ltd., the company has entered a preliminary agreement with King Island Scheelite Ltd. of Australia to develop a scheelite mine there. Based on the agreement, Hunan Nonferrous Metals Co. will provide fi-展开更多
According to a report released by China Hunan Nonferrous Metals Co. Ltd., the company has entered a preliminary agreement with King Island Scheelite Ltd. of Australia to develop a scheelite mine there. Based on the ag...According to a report released by China Hunan Nonferrous Metals Co. Ltd., the company has entered a preliminary agreement with King Island Scheelite Ltd. of Australia to develop a scheelite mine there. Based on the agreement,展开更多
Sinopec Group and KPCBoost JV Refinery inGuangdongSinopec Group, Kuwait Petroleum Corporation(KPC) and Guangdong Provincial Government signeda Memorandum of Understanding (MOU) on October26th, to boost their joint ven...Sinopec Group and KPCBoost JV Refinery inGuangdongSinopec Group, Kuwait Petroleum Corporation(KPC) and Guangdong Provincial Government signeda Memorandum of Understanding (MOU) on October26th, to boost their joint venture refinery inGuangdong province.The location of the proposed refining complex isselected to finalize on the Donghai Island, Zhanjiang,Guangdong province, transforming from展开更多
From the chemical plant blast in Jilin provincethat spilled toxics in the Songhua Riverto the oil spill in Zhoushan waters by anIranian-registered freighter that ran agroundon a rocky island and the coal tar spill acc...From the chemical plant blast in Jilin provincethat spilled toxics in the Songhua Riverto the oil spill in Zhoushan waters by anIranian-registered freighter that ran agroundon a rocky island and the coal tar spill accidentat the Jiuyuan Waterproof MaterialCo., Ltd.in Wufeng town, Tongliangcountry, Chongqing - such accidents arehappening repeatedly.How to act展开更多
基金supported by Grant #180784 from CONACyT (Mexico)Grant USO315007364 from DCEN UNISON to J.R. Vidal-Solanothe financial support from PAPIIT-DGAPA-UNAM internal project IN101521
文摘Isla San Pedro Nolasco(ISPN)is a structural high bounded by inactive dextral oblique-slip faults in the east-central part of the Gulf of California rift zone and is composed of intrusive rocks not exposed on other Gulf of California islands.Here we present the reconnaissance results from geological mapping,as well as first geochemical and geochronological data for the ISPN intrusive complex.The intrusive rocks compose a sheet-like body of intermediate and felsic composition intruded by an intermediate and acidic dike swarm.All intrusive rocks(host and dikes)range in age from ca.9 Ma to 10 Ma(^(40)Ar/^(39)Ar)and show a hydrous ferromagnesian mineral association(amphibole and biotite)with a calc-alkalic and transitional affinity.This hydrated mineralogical association has not been recognized in the coeval rocks along the onshore western margin of the North American plate(coastal Sonora).However,such hydrous mineralogical association is found in the coeval rift transitional volcanic rocks from the Baja California Microplate at Santa Rosalía and Bahía de LosÁngeles–Bahía de LasÁnimas.The ISPN continental block,at least 40 km long,has been pulled apart by transtensional faulting of the late Miocene Gulf of California shear zone before the westward migration of the North America-Pacific plate boundary at ca.3–2 Ma.Eventually,ISPN became isolated as an island during the late Miocene flooding of the Gulf of California seaway.
文摘为了建立牛轭湖病毒(Bayou virus,BAYV)、纽约病毒(New York virus,NYV)、厄尼诺洛峡谷病毒(El Moro Canyon virus,ELMCV)以及岛景病毒(Isla Vista virus,ISLAV)四种病毒快速筛查、诊断的核酸检测技术,本研究选用上述四种病毒的N蛋白基因作为靶标区域设计四组特异性引物探针,建立四重实时荧光定量RT-PCR检测方法。用四种病毒体外转录RNA进行灵敏度和重复性验证,并使用其他病毒细胞培养物及体外转录RNA进行特异性验证。结果显示,四重实时荧光定量PCR扩增效率均可达到95%以上,四种病毒体外转录RNA灵敏度介于1~10拷贝/μL,与单重检测方法无明显差异,且与其他病毒无交叉反应。稳定性评价结果显示,批内、批间变异系数均在3%以内。本研究所建立的检测方法具有良好的敏感性、特异性和重复性,可用于相关样本的诊断与筛查。
文摘According to a report released by China Hunan Nonferrous Metals Co. Ltd., the company has entered a preliminary agreement with King Island Scheelite Ltd. of Australia to develop a scheelite mine there. Based on the agreement, Hunan Nonferrous Metals Co. will provide fi-
文摘According to a report released by China Hunan Nonferrous Metals Co. Ltd., the company has entered a preliminary agreement with King Island Scheelite Ltd. of Australia to develop a scheelite mine there. Based on the agreement,
文摘Sinopec Group and KPCBoost JV Refinery inGuangdongSinopec Group, Kuwait Petroleum Corporation(KPC) and Guangdong Provincial Government signeda Memorandum of Understanding (MOU) on October26th, to boost their joint venture refinery inGuangdong province.The location of the proposed refining complex isselected to finalize on the Donghai Island, Zhanjiang,Guangdong province, transforming from
文摘From the chemical plant blast in Jilin provincethat spilled toxics in the Songhua Riverto the oil spill in Zhoushan waters by anIranian-registered freighter that ran agroundon a rocky island and the coal tar spill accidentat the Jiuyuan Waterproof MaterialCo., Ltd.in Wufeng town, Tongliangcountry, Chongqing - such accidents arehappening repeatedly.How to act