物资采购工作的特点及要求

~~Theoretical study of Structural and analytical potential energy functions of GaN[1]D.L.Luo,D.Q.Meng,Z.H.Zhu,Acta Phys.Sin.52[2003]2438. [2]H.Y.Wang,Z.H.Zhu,Chin.Phys.12[2003]154. [3]P.Waltereit,O.Brandt,A.Trampert,H.T.Grahn,J.Menniger,M.Ramsteiner,M.Reiche,K.H.Ploog,Nature406[2000]865. [4]Z.H.Zhu,H.G.Yu,Molecular structure and molecular potential function,Science Press,Beijing1997.…     

杨属一些种类的增订

1.敦煌小叶杨(新变种)Populus simonii Carr.var.dunhuangensis H.L.Yang et C.F.Fang,var.nov.西北师范学院学报 1982,(2):128,nom.nud.A varietate typica differt foliis angustayis longisque,elliptico-lanceolatisvei lato-lanceo-latis,5～8 cm.longis,1.5～2. 5 cm.latis,rhachidibus pubescentibus.Gansu:Dunhuang(敦煌),Prope Megaoku(莫高窟),habitat ad margines agrorum,15.Ⅵ.1979.H.L.Yang et al.No.79512(Typus in Herb.Inst.Desert.Res.Acad.Sin.con-servatur.)Haec varitas nova P.simonii var.liaotungensi(Wang et Skv.)Wang et Tung affinis,a     

贵州藨草亚科新记录植物

百球藨草 Scirpus rosthornii Diels in Engl.Bot.Jahrb.29:228.1901;C.B.Clarke in Journ.Linn.Soc.Bot.36∶253.1903;中国植物志11∶13,图版4∶5-8.1961;中国高等植物图鉴5∶213,7255.1980.—S.chinensis Diels in Engl.Bot.Jahrb.29∶228.1901.non Munro—S.ternatensis C.B.Clarke in Journ.Linn.Soc.Bot.36∶254.1903.partim,non Reinw. 根状茎短,具须根。杆粗壮,高50—1000厘米,坚硬,三稜形,有节,节间长,具     

学英语

10众志成城Unionisstrength.鞠躬尽瘁Togivethelastmeasureofdevotion.一寸光阴一寸金Timeismoney.谋事在人,成事在天ManproposesandGoddisposes.声东击西Tolookonewayandrowanother.滴水穿石Constantdrippingwearsawaythestone.种瓜得瓜,种豆得豆Youmustreapwhatyouhavesown.适者生存Thesurvivalofthefittest.成语天地Mylittlefriends,areyouready?let'ssingthesong.Head,shoulders,kneesandtoes,kneesandtoes.Head,shoulders,kneesandtoes,kneesandtoes.Eyesandearsandmouthandnose.Head,shoulders,kneesandtoes,kneesandtoes.(repe…     

新疆鼓藻类(Desmids)植物新记录种

2010年6月～7月,在新疆库车大、小龙池设6个样点,所采集的藻类标本经过鉴定,发现有新疆未记录的鼓藻类植物15种,隶属于4属,包括7种8变种,分别是Closterium acerosumvar.acerosum,C.acerosumvar.angolense,C.attenuatum,C.ehrenbergii var.malinvernianum,C.ehren-bergii var.pseudopodolium,C.incurvum,C.lanceolatumvar.lanceolatum,C.nasutum,C.praelon-gum,C.pseudolunula var.major,C.sigmoideum,C.strigosum var.strigosum,Pleurotaeniumtruncatum,Cosmarium undulatum var.minutum和Euastrum bidentatum等,并描述了其形态学特征.     

中国新分布的蕨类

两歧莎草蕨 Schizaea dichotoma (L.) Sm., Mem. Ac. Turin 5:422, t.9.1793; Tard.-Blot et Chr. in Fl. Indo-Chine Ⅶ.ii (1939)43; Holt. in Fl. Mal. Ⅱ,Ferns Mal. 51 (1954) Fig. 6.--Acrotichum dichotoma L., Sp. Pl. Ⅱ. (1753) 1068.广东:海南岛,东澳,灌丛草地,黄培佑269,1964年6月8日.分布:广东海南;马达加斯加,波内利西亚,澳大利亚,马来亚及越南等地.     

南黄海自由生活线虫的分类学研究

综述了国内外自由生活海洋线虫分类学的研究情况，对南黄海自由生活线虫进行了调查取样和分类学研究，共鉴定出自由生活海洋线虫223种或分类实体，隶属于145个属，32科，4目，其中建立了2个新属，发现并描述了18个新种．列出了南黄海海洋线虫的种名录，并对其中的2个新属Abelbolla gen．nov．，Paramphimonhystrella gen．nov．和18个新种Abelbolla boucheri sp．nov. ,Abelbolla huanghaiensis sp. nov. ,Abelbolla warwicki sp. nov. ,Belbolla huanghaiensis sp. nov. , Belbolla stenocephalum sp. nov. , Belbolla warwicki sp. nov. , Curvolaimus filiformis sp. nov. ,Trichotheristus articularus sp. nov. ,Oncholaimus multisetosus sp. nov. ,Sabatieria stenocephalus sp. nov. , Setosabatieria coomansi sp. nov. , Paramicrolaimus boucheri sp. nov. , Terschellingia major sp. nov. ,Halalaimus longiamphidus sp. nov. ,Leptolaimodes decorus sp. nov. , Paramphimonhystrella elegans sp. nov. ,Paramphimonhystrella minor sp. nov. 和 Paramphimonhystrella sinica sp. nov. 进行了描述。     

水鳖科两种新植物

1、刺苦草(新种)图1Vallisneria spinulosa Yan sp. nov.Herba submersa, stolonibus spinnlosis. Folii radicalia, loratolinearia, marginibus serrulolis, costis dorsalibus subtus spinuolsis ,20-40 cm.longa. 4-6mm. lata. Flores dioecii. Spatha masc. ovata. Flos masc. stamioe two. Spatha fem. unitubulosa bilobata apice, pedullculo longo. Flos fem. intra spatham solitarius, sepalis 3, ovat o-lanceolatis, ca. 3mm. longis, 1.5-2mm.latis, stigmate trilobo, in quoque segmen     

Using Punctuation Correctly

InEnglish,therearethefollowingpuntuations:endpunctuation,commas,colons,semicolons,dashes,paretheses,hyphens,apostrphes,quotationmarks,ellipses,slashes,etc.Usingthemcorrectlyinwritingisveryimportant,theycanhelpyouexpressyourideascorrectlyandeffectively.InthefollowinglinesI'dliketodiscusstheiruse.I'EndPunctuationA.WhentoUsePerieds:.)l.ToendasentenceunleSsitisaqUestionoranexclaInaion.TheyAnvedatthestationtwentyInintesbeforethetrainwasdue.Lynnwonderswhetherhewillcom.2.InInanabbreviahonsB.C…     

Allium alabasicum——A New Species of Allium

Allium alabasicum (D.S.Wen et Sh.Chen)Y.Z.Zhao,sp.nov.fig.1.——A.polyrhizum Turcz.ex Regelvar.alabasicum D.S.Wen et Sh.Chen,in sched.Species affinis A.mongolico Regel,sed planta pumila,circ.10cm alta;foliis filiformibus,perspicuelongioribus quam scapis;umbella laxa,pauciflora,saepe 4～5 flora;tepalis 3～3.5mm longis;filamentislongitudine tepala fere aequanribus;filamentis internis basi circ.1/4 dilatatis trianguli-ovatis;ovariis basinectariis operculatis concavis differt.Bulbus multus,spisse cespitosus,teres,tunicis exterioribus fuscis,in fibras dehiscentibus.Foliasemitertia vel teretia,filiformia,6～10cm longa,circ.0.3mm crasa,perspicue longiora quam scapi.     

测试版游戏

bttp:/,www.acergame.com.tw,httD:,/www.wael.net,http:,,www.1 ager.com.tw,D’11,httD:,,辫ww.ex一10ve.cOm.tw/httD:,,www.gameone.cOm/f11es,帕a1 n.htm bttp:,,www.h1 D1ayer.com/Oracle,1 ndex.htm http:,,www.ha—game.com/测试版游戏     

中国肥皂荚属一新种

<正>我们在《中国树木志》苏木科的编写过程中,在广西发观肥皂荚属一新种,观报道于下: 广西肥皂荚 新种 图版Ⅰ Gymnocladus guangxiensis P. C. Huang et Q. W. Yao, sp. nov. Affinis Gymnocladi chinensi Baill., sed pinnis trijugatis, rhachibus rhachillisque glabris seve vix puberulis, foliolis 12 vel 14, maioris, 3.4—7cm. longis, 1.8—2.8cm.latis, leguminibus purpureofuscis, nitidis differt. Guangxi: Xingan, Tabianxiang, Xingan Exp. 158 (Typus fr. in Herb. coll. Indust. Silv. Nank. Conserv. ) ; Jinxiu, S. Y. Liang et al, 294.     

第二届成事文化杯科普知识竞赛参考答案公布

一、选择1.A 2.C 3.A 4.B 5.D 6.C 7.A 8.ADEG 9.B 10.C 11.B 12.D 13.D 14.C 15.A 16.B 17.A18.D 19.B 20.C 21.A 22.B 23.C 24.D 25.B 26.B 27.A B 28.A29.D 30.D二.简答题1.细菌到处存在,细菌可以寄居在动物和人的口腔或肠道里,也可以生活在食物、尘埃或土壤里,细菌是动物还是植物?答案:细菌具有动物和植物的双重特性,但它们又不属于动物和植物,生物学家将它们归于原生物一类。2.我们家中的浴缸放水时,会产生旋涡。在没有外力的情况下,这个旋涡是按顺时针还是逆时针旋转?答案:是逆时针方向旋转,旋…     

贵州五加科某些种类的考订

1.刺通草 Trevesia palmata (Roxb.) Vis.in Mem. Acad. Torin 2(4):262. 1842; Rehd. in Journ. Arn. 15: 113. 1934; Li in Sargentia 2:13. 1942; Hoo et Tseng in Fl. Reipub. Popul. Sin. 54:10. 1978; Feng et Y. R. Li in Fi. Yunna. 2:417. 1979; C. B. Shang in Journ. Nanjing Inst. Fores. 2:15. 1985—Gastonia Plamata Roxb. in Hort. Bengal. 3311. 1814, nom. nud. & Fl. Ind. ed 2(2):407, 1832—Fatsia cavalerieri Levl., Bull. Acad. Ceogr. Bot.24:144. 1914 & Fl.Kouy-Tcheou 34. 1914-Brassaiopsis papayoides Hand.-Mazz. in Akad. Wiss. With. Math.-Nat. KI.61:120. 1925 & Symb. Sin. 7:693. 1933. 凭证标本:望谟,贵州队2207、张秀实等66—859:册亨,贵州队2657、安顺队198;兴义、安顺队877、878。分布:广西北部、云南南部。本种为灌木或小乔木,具刺;叶片大,边缘5—9掌状深裂,裂片卵状长圆形或披针形,先端渐尖或钝头;圆锥花序大,各部被锈色绒毛;伞形花序具花数十朵至近百     

中国黑腹果蝇种组的组成与分布

1999~2004年,对全国27个省市的果蝇进行调查的结果表明:中国黑腹果蝇种组由10个种亚组组成,共67种.其中包括6个新种(D.sp.likeelegans,D.sp.likeauraria,D.sp.liketrapezifrons1,D.sp.liketrapezifrons2,D.sp.liketakahashii,D.chayusp nov);4个新记录种(D.giriensis,D.ogumai,D.ohnishii,D.pseudobaimaii);6个广布种(D.auraria,D.kikkawai,D.melanogaster,D.simulans,D.suzukii和D.takahashii).分布于全国33个省市,垂直分布的海拔高度在3 000 m以下.     

A Preliminary Study of Indirect Requests in English

Languageisthemostingeniousofhumaninvention.ltisasystemofarbitraryvocalsymbolsusedforhumancommunication.Muchoftheworkoftheworldisdonebylanguage.Ithelpsuslivetogetheraspeopleandgivesusthingsthatweneedashumanbeings.Itisverymuchimportantforustoexplore,tomaster,andtoputthelanguagetogooduse.Howt0makethemostofourlanguagepotentialisworthstudying.Themorewelearnaboutthewaylanguageworks,themoreweshallbeabletouseitwithconfidence.Goodrnannersmostlydependonourbestuseofthelanguage.Dfferentkindsofrepuestsca…     

樟属两个新名称

1 .光叶猴樟　新变种ＣｉｎｎａｍｏｍｕｍｂｏｄｉｎｉｅｒｉＬｅｖｌ.ｖａｒ.ｇｌａｂｒｕｍＣ .Ｆ.Ｊｉ,ｖａｒ.ｎｏｖ.———Ｃ .ｂｏｄｉｎｉｅｒｉａｕｃｔｎｏｎＬｅｖｌ.:Ｈ .Ｗ .Ｌｉ,Ｆｌ.Ｒｅｉｐ.Ｐｏｐ.Ｓｉｎ.3 1 :1 75～1 76,1 982 .ｐｒｏｐａｒｔｅｑｕｏａｄｄｉｓｃｒ.Ａｖａｒ.ｂｏｄｉｎｉｅｒｉＬｅｖｌ.ａｆｆｉｎｉｓ,ｓｅｄｒａｍｕｌｉｓ,ｐｅｄｕｎｃｕｌａｔｉｓ,ｐｅｄｕｃｅｌｌｉｓ,ｐｅｒｉａｎｔｈｉｉｔｕｂｉｓｅｔｐｅｒｉａｎｔｈｉｉｌｏｂｉｓｅｘｔｕｓｇｌａｂｅｒｉｓｄｉｆｆｅｒｔ.Ｓｈａｎｘ…     

贵州蔷薇属新分类群

1.无子刺梨新种Rosa sterilis S.D.Shi,sp.nov.Species R.fOXburghii Tratt.affinis sed foliolis 7—9.floribus 3—5in corymbum dispositiS,petalis albis,fructibus diam.ca.2 cm,clnereo-brunneis,acheniis sterilibus differt.Frutex Scandens,4—6 m altus;ramuli et petioli purpurei,parceaculeati carvuli,incano—tomentulosi.Folia imparipinnata,7一9 foliolata,     

福建竹类二新种

<正> 福建酸竹 别名:甜竹 新种 图1Acidosasa fujianensis C. S. Chao et H. Y. Zou sp. nov.Species A. chinensi C. D. Chu et C. S. Chao affinis sed culmorum vaginarumauriculis et setis oralibus evolutis, pedicellis brevioribus, 2-13mm. longis, glumis 2,rhachillis puberulis, lemmatibus paleisque albo-pubescentibus differt.     

四川溲疏属的分类研究 （Ⅱ）：种的简介及新分类群

介绍了四川溲疏属植物20种,5变种及1栽培变型,每种均有文献考证、学名订正、特征集要及产地和生境,新分类群D.leiboeneie P.He et L.C.Hu, D.piloea var.longiloba P.He et L.C.Hu,D.jinyangensis P.He eL L.C.Hu及D.longifolia var.deneitomentosa P.He et L.C.Hu均有详细拉丁文描述并附模式标本照片,还记录了两个四川省新分布种:D.bodiaieri Rehd.,D.rehderiana C.K.Schn.,对伞花亚组Subsect Cymosae Rehd.中建立的新系(Ser.Multiradiatae P.He,Ser.Pauciradiatae P.He)作了拉丁文补充描述。