微生物生物量碳测定方法 (1)试剂配制: 0.5MK2SO4溶液:称取K2SO4174.33g溶解于蒸馏水中,搅拌溶解,(可加热)定容 至2L 去乙醇氯仿的配制:在通风柜中,量取100毫升氯仿至500毫升的分液漏斗中,加 入200毫升的蒸馏水,加塞,上下振荡10下,打开塞子放气,而后加塞再振荡10下, 反复3次,将分液漏斗置于铁架台上,静止溶液分层,打开分液漏斗下端的阀,将下层 溶液(氯仿)放入200毫升的烧杯中,将剩余的溶液倒入水槽,用自来水冲洗。再将烧 杯中的氯仿倒入分液漏斗中,反复3次

1. Offer and quotation: (1)A quotation is often taken by many Chinese business person to stand for a unit price with delivery conditions. e.g. USD324/PC CIF New York; An offer is considered to include more conditions such as shipment, payment, insurance and packing. (2)From the legal point of view a quotation is not an

胰腺(pancreas)横位于胃后方的腹膜后,平第一、二 腰椎。长约12~15cm,重约60-125g 头、颈、体、尾四部:头部为十二指肠曲所包绕,头 部在肠系膜上静脉右后方形成一钩状突包绕肠系膜 血管。头颈部在脊柱右侧。胰体尾部位于脊柱左侧, 与胃大弯、脾门及左肾毗邻。 +主胰管与副胰管:主胰管(Wirsung)直径2-3mmm, 85%与胆总管汇合成壶腹,“共同”开口于十二指 肠乳头。副胰管开口于主胰管开口上方约2.5cm处

Nationality: German. Born: Helma Sanders in Emden, Germany, 20 By SANDERS-BRAHMS: articles- November 1940: added her mothers maiden name to her own to differentiate herself from another New german Cinema filmmaker Helke Sander. Education: Studied acting in Hanover, Germany: Misunderstood Mother and Forgotten Father. interview with g studied drama and literature at Cologne University Career: Worked

一位31岁孕妇,G2P1,怀孕已29周,孕期检 査正常,今天上午感觉开始宫缩,住院检查,宫 口开3cm,约每20分钟一次宫缩,已破膜,并有 低热,37.9QCc 产科医师请新生儿科医师会诊,这位孕妇可能 要早产,怎么处理? 各位医师有什么建议?

This lecture: Mount pp 1-7, 29-35, 45-48, Next lecture: Mount pp 8-9, 65-89, 96-115, +more TheProteinDataBank(pdb-http.://ww.pdb.org/)isthesingle worldwide repository for the processing and distribution of 3-D biological macromolecular structure data Berman, H. M, J. Westbrook, Z Feng, G. Gilliland, T N. Bhat

Problem 1. An undirected graph G has width w if the vertices can be arranged in a se- quence V1,2,3,…,Vn such that each vertex v; is joined by an edge to at most w preceding vertices. (Vertex vj precedes if i.) Use induction to prove that every graph with width at most w is (w+1)-colorable

1.查阅CRC的 Handbook of Chemistry and Physics或者其他化学手册,计算BaSO4分解为BaO(s)和SO3(g)反应的标准熵变、焓变和 Gibbs自由能变。分析BaSO4在室温下的稳定性,计算热分解温度

1.在298K,101.325kPa下将直径为1um的毛细管插入水中问需在管内加 多大压力才能防止水面上升? 若不加额外的压力让水面上升达平衡后管内液面上升多高? 已知该温度下水的表面张力为0.072N/m水的密度为1000kgm-3设接 触角为0度。重力加速度为g=9.8m/s2

3.1话音编码概要 3.1.1话音波形的特性 3.1.2三种话音编译码器 3.2脉冲编码调制(PCM) 3.2.1PCM的概念 3.2.2均匀量化 3.2.3非均匀量化 3.2.4律压扩(G.711)