报道了红豆杉属1新变型——保康红豆杉[Taxus chinensis(Pilger)Rehd f.baokangsis Y.J.Fei]。该变型与原变种南方红豆杉[Taxus.chinensis(Pilger)Rehd.var.mairei(Lemee et Lévl.)Cheng et L.K.Fu]主要区别在于其雄株上有部分枝...报道了红豆杉属1新变型——保康红豆杉[Taxus chinensis(Pilger)Rehd f.baokangsis Y.J.Fei]。该变型与原变种南方红豆杉[Taxus.chinensis(Pilger)Rehd.var.mairei(Lemee et Lévl.)Cheng et L.K.Fu]主要区别在于其雄株上有部分枝条发育成雌性枝条或雌雄球花在同一果枝上,呈现雌雄同株现象。凭证模式标本藏于武汉植物园标本馆(编号Y.J.Fei001,HIB)。展开更多
1.IntroductionThe chemistry of rare earthoxysulphides is well known [1-5] and theyhave extensive technological applications,but the d-transition metal oxysulphides wasnot known until recently [6-9].Therefore,itis nec... 1.IntroductionThe chemistry of rare earthoxysulphides is well known [1-5] and theyhave extensive technological applications,but the d-transition metal oxysulphides wasnot known until recently [6-9].Therefore,itis necessary to study the thermodynamicproperties of these compounds.展开更多
According to the National Development and Reform Commission,COFCO(Guangxi)Bio-Energy Co.,Ltd.has formally operated its 200000 t/a cassava-based fuel alcohol unit in Guangxi province.The company conducted wet commissio...According to the National Development and Reform Commission,COFCO(Guangxi)Bio-Energy Co.,Ltd.has formally operated its 200000 t/a cassava-based fuel alcohol unit in Guangxi province.The company conducted wet commissioning in December 2007.It is the first phase of the 1.0 million t/a non-grain fuel alcohol pilot project,using cassava as raw material.The Phase I will produce annually 200000 tons of fuel alcohol,50000 tons of fibrous feed,nearly 30 million m^3 of biogas and 50000 tons of carbon dioxide.As of March 14th,the Phase I has already produced 11496 tons of anhydrous ethanol,展开更多
The three variables—field,mode and tenor form the integrated system of a register which has the function of reflecting culture and language features.Via the analysis of the three dimensions of register,it intends to ...The three variables—field,mode and tenor form the integrated system of a register which has the function of reflecting culture and language features.Via the analysis of the three dimensions of register,it intends to explore the influence of register on the formality degrees of language,so that the proper formality degrees of language are chosen during communication.展开更多
文摘报道了红豆杉属1新变型——保康红豆杉[Taxus chinensis(Pilger)Rehd f.baokangsis Y.J.Fei]。该变型与原变种南方红豆杉[Taxus.chinensis(Pilger)Rehd.var.mairei(Lemee et Lévl.)Cheng et L.K.Fu]主要区别在于其雄株上有部分枝条发育成雌性枝条或雌雄球花在同一果枝上,呈现雌雄同株现象。凭证模式标本藏于武汉植物园标本馆(编号Y.J.Fei001,HIB)。
文摘 1.IntroductionThe chemistry of rare earthoxysulphides is well known [1-5] and theyhave extensive technological applications,but the d-transition metal oxysulphides wasnot known until recently [6-9].Therefore,itis necessary to study the thermodynamicproperties of these compounds.
文摘According to the National Development and Reform Commission,COFCO(Guangxi)Bio-Energy Co.,Ltd.has formally operated its 200000 t/a cassava-based fuel alcohol unit in Guangxi province.The company conducted wet commissioning in December 2007.It is the first phase of the 1.0 million t/a non-grain fuel alcohol pilot project,using cassava as raw material.The Phase I will produce annually 200000 tons of fuel alcohol,50000 tons of fibrous feed,nearly 30 million m^3 of biogas and 50000 tons of carbon dioxide.As of March 14th,the Phase I has already produced 11496 tons of anhydrous ethanol,
文摘The three variables—field,mode and tenor form the integrated system of a register which has the function of reflecting culture and language features.Via the analysis of the three dimensions of register,it intends to explore the influence of register on the formality degrees of language,so that the proper formality degrees of language are chosen during communication.
