1、片碎瓷片，以避免混合液在受热沸腾时剧烈跳动F配制银氨溶液时，将稀氨水慢慢滴入硝酸银溶液中，产生沉淀后继续滴加到沉淀刚好溶解为止G验证溴乙烷水解产物时，将溴乙烷和氢氧化钠溶液混合，充分振荡溶液、静置、待液体分层后，滴加硝酸银溶液18、（14分）2008年9月以来，三聚氰胺成为人们谈论的焦点。某同学为了测定三聚氰胺的分子式和结构简式。设计了如下实验。他查阅资料得知：三聚氰胺的相对分子质量为126，三聚氰胺在常温下为晶体，在加热条件下能与氧气发生反应生成二氧化碳、氮气和水。现有12.6g三聚氰胺晶体按下图所示实验装置反应(假设三聚氰胺完全转化成产物)。(1)写出A装置中发生反应的化学方程式：_ _
2、(2)C装置能不能与D装置互换?(填“能”或“不能”)，理由是_，_ _ 。 (3)当B装置中反应完全发生后，读取F中水的体积，实验操作顺序为_(填序号)。 读数 冷却至室温 调平E、F装置中液面 (4)测定数据如下： 经测定，收集到的气体折合成标准状况下的体积为6.72L。 利用上述实验数据，通过计算可知三聚氰胺的实验式为_。 三聚氰胺的分子式为_。 若装置中没有铜网，则对测定结果的影响是_。 (5)已知氰酸(HCN)的结构简式为HCN，氰胺的结构简式为H2N一CN，三聚氰胺分子中每个原子的最外层电子数均为8或2，则其结构简式为三、填空题（本题包括4小题，共36分）19(4分) 某烷烃主链为
3、4个碳原子的同分异构体有2种。请写出与这种烷烃具有相同的碳原子数、主链上也为4个碳原子的单烯烃的同分异构体的结构简式。 20（14分）新型弹性材料“丁苯吡橡胶”由三种单体化合而成，其结构为 此化合物是由三种单体通过 反应而生成的，其中三种单体的结构简式为 、 、 。2003年底，重庆发生井喷毒气伤人事件，这主要是混杂在天然气中的硫化氢、HCN等有毒气体使人中毒。硫和氧都是第 族的元素，乙醇可以看成是水分子中一个H被乙基替代的衍生物，因此硫化氢分子中的一个H也可以被乙基替代，得到乙硫醇。乙硫醇的化学式为 。根据上述规律，异丙硫醇、苯硫酚的化学式分别是C3H8S和 。 苯硫酚具有比苯酚还强的酸性，
4、则对硝基苯硫酚与氢氧化钾反应的化学方程式为： 。21（10分）A是生产某新型工程塑料的基础原料之一，结构简式为。（1）写出A分子式的_ _ （2）拟从芳香烃出发来合成A，其合成路线如下：已知：A在酸性条件下水解生成有机物B和甲醇。DE:C9H12O2溴水NaOHH2OO2/CuG: C9H10O2H: C9H10O3BADE:C9H12O2F: C9H10O(a)写出反应类型_ (b)写出H的结构简式(c)已知F分子中含有“CH2OH”，通过F不能有效、顺利地获得B，其原因是 _ 。(d)写出反应方程式（注明必要的条件） _。两分子H之间发生反应生成六元环酯化学方程式是： 。1、B 2、A 3
5、、C 4、B 5、D 6、C 7、D 8、A9、C 10、B 11、D 12、B 13、A 14、D 15、C 16、D17、ACDG （2分）18、或 (2)不能。 浓硫酸吸收水，碱石灰吸收二氧化碳，若互换，则碱石灰能同时吸收二氧化碳和水，导致实验失败。 (3) (4)CH2N2 C3H6N6 测定所得分子中氮原子数偏大，碳、氢原子数偏小 （每空2分，2*7=14分）19、（每空1分，1*4=4分）20、. 加聚（1分） ；CH2CHCHCH2 （2分） ； （2分） （2分） . (1) VIA（1分） ； C2H6S（2分） ；(2) C6H6S（2分） ；(3) 对O2N-C6H4-S
6、H+KOH对O2N-C6H4-SK+H2O （2分）21、（1）C10H10O2 （1分）(2) (a) 消去（1分） (b) H （2分） (c) F中含碳碳双键，羟基氧化时可能会同时氧化碳碳双键，使最终不能有效、顺利地转化为B（2分）(d)（2分） （2分） 22、（1）C9H12（3分）（2）（3分）（3）（2分）翷翷参考答案一、2.狐狸 衬衫 负责 泡沫 迅速 苏醒 检验 胖驴 创举 修建3.lng zh sn m lng zh sn m4.娇嫩 骄傲 辨别 辩论 严厉 历史 秘密 蜜蜂5.（1）亮晶晶 绿油油 （2）孜孜以求 念念有词 （3）自由自在 人来人往6.（1）神秘 神奇 （
7、2）持续 连续 继续7.（1） （2） （3） （4）8.（1）删去“首先”。 （2）示例：微风吹来，银杏树的叶子在枝头跳起了欢快的舞蹈。 （3）裁缝又补充一句，不过，他指的是明年冬天。9.6 1 5 2 3 4 10.（1）一模一样 很威武很镇静 一转眼 （2）比喻 戴着斗笠的孩子们 （3）宋庆龄 守信用 （4）白居易 长恨春归无觅处 不知转入此中来二、1.野菊花 2.A. B. C. 3.人不也需要有一点野菊花的精神吗？ 人也需要有一点野菊花的精神。 4.A.消炎止血 B.清热败火 C.治感冒 D.泡茶喝 5.朴素、顽强、无私奉献的精神。Section 8 Social responsib
8、ilityCONFIDENTIALGood Practice In Social ResponsibilitySection 1 Corporate Governance Refrain from seeking or accepting exemptions not contemplated in the statutory or regulatory framework related to environmental, health, safety, labour, taxation, financial incentives, or other issues. Abstain from
9、 any improper involvement in local political activities. Apply high quality standards for disclosure, accounting, and audit. Enterprises are also encouraged to apply high quality standards for non-financial information including environmental and social reporting where they exist.Section 2 Relations
10、 with Employees Comply with all relevant legislation that governs relationships with employees and specifies the rights and duties of employers and employees. Provide facilities and information to employee representatives as may be necessary to assist in negotiations on conditions of employment or o
11、n disputed matters. Promote consultation and co-operation between employers and employees and their representatives on matters of mutual concern. Provide information to employees and their representatives, which enables them to obtain a true and fair view of the performance of the entity or, where a
12、ppropriate the enterprise as a whole. Take adequate steps to ensure occupational health and safety in their operations. In considering changes in their operations that would have major effects upon the livelihood of their employees (in particular in the case of the closure or downsizing of an entity
13、 involving collective lay-off or dismissals) provide reasonable notice of such changes to representatives of their employees. And where appropriate, to the relevant governmental authorities, and co-operate with the employee representatives and appropriate governmental authorities so as to mitigate t
14、o the maximum practical extent adverse effects. Encourage and support employees to balance work, family, and personal commitments. Implement systems that will provide a fair assessment of individual performance will recognise and reward superior performance and which will encourage employees to deve
15、lop their capabilities at work. Refrain from discriminatory or disciplinary action against employees who make bona fide reports to management or, as appropriate, to the competent public authorities, on practices that contravene the law or the enterprises policies. Encourage communications between ma
16、nagement and employees and in particular respond constructively to employee complaints.Section 3 Relations with other Stakeholders Encourage local capacity building through close co-operation with the local community and as appropriate contribute ideas, people, facilities or funds to support that de
17、velopment. Encourage where practicable, business partners, including suppliers and sub-contractors, to apply principles of corporate conduct compatible with Social Responsibility. Ensure that the goods or services they provide meet all agreed or legally required standards for consumer health and saf
18、ety, including health warnings and product safety and usage information. Co-operate fully and in a transparent manner with public authorities in the prevention or removal of serious threats to public health and safety deriving from the consumption or use of their products. Enterprise Restructuring a
19、nd Development Methodology Manual Page 2 of 1匀倀讀缁H缀窢怀僥刀椀鬂蜃愊椊椊椊謊謊謊謊謊謊謊謊謊謊謊謊謊謊謊謊鬋鴌匌蝗腴搀漀挀攀挀挀戀昀挀挀最椀昀匀蝗腴搀漀挀尀尀搀搀愀愀挀戀攀攀戀挀攀搀伀渀搀圀匀椀最稀吀稀刀昀吀礀礀堀圀礀椀攀欀戀渀嘀倀漀搀栀漀唀礀唀戀椀匀蜀脀摰攀昀挀戀愀搀搀攀挀戀挀愀昀圀一刀匀吀吀匀蜀腴屝匀蜀葝驶蜀瑗歭骉蜰腴葬蜀葝腧豧瑛葥敧桐葑豾靔杣铿齢祛祎獠扞杣獠扞湞偹饧萰獣扞湞瑥健獗瑞叿骉璋健鋿罾潠綂睧骉湏黿靎葞襗桛膃殖僿饧塐蠰梖偖湞桲偖屝衔憖譧腏襝鼰鼰茰樰葒抖荳慘轧琰欰愀腎救腓溋聿璉葥溋祺喋喋啴啝礰z禋蝑蕻戀蝛蒕兞荻挀锰葥歔腵搀葓鑶溋湿襗桛
20、歏廿塎靎斏腗作塎啓畏蝺汝斏著啶豏塎畔袐啴豏啝塎鑔驞驎螈垑桎癛捶蝖瘀蝎夀氀瀀圀昀欀吀戀伀瘀礀戀刀爀漀琀瘀氀爀昀猀搀最洀吀圀焀刀堀挀匀焀圀一刀匀吀吀匀蜀腴屝匀蜀葝驶蜀瑗歭骉蜰腴葬蜀葝腧豧瑛葥敧桐葑豾靔卒怡舀甀楾)鸅b瘀8貚晓瞋瞋恻眡顢賿慻眡廿顢焰齒葒齛偓仿俿恻眡顢燿顢顧顜顜燿顜g禐顔楒梍庐蹜楑葲迿汜鞚細剶讘夰蝎細奬蝎賿奬娰奬媂最伀最伀最伀氀欀洀漀氀最伀最伀最伀氀欀洀漀氀捬湫葸揿偒塐葛蹙偒揿葰驺蹙汰捎葰f偒葎捫葰偵损湫葸猀蹑楧伀萀驎捛湫葸庑貔硸鑓癒葾俿谀伀伀榋荒硸澑榋葾传貕洀漀氀伀鑓洀漀氀f偒伀传谀T伀蝒坥桛鑓鑛捎湫葸奮敮最一伀豨皚葎爀最最爀錀譵碑撑愀伀愀伀伀鄀偵肁屒灏羍攀甀攀甀黿豛豮屒奵鑎夰魎葢卬
21、驭盿葎葸灒卬葬灒N硷伀汜萀蒑乶愀伀煭跿斐卑伀N匀伀焀敒蒑乶愀伀斐蒑伀N匀伀焀敒蒑乶愀伀葽葾艧洀漀氀楔丰愀伀鑓衙谀一愀伀洀漀氀洀漀氀洀漀氀洀漀氀洀漀氀洀漀氀洀漀氀洀漀氀驎慛衎摭楓仿伀砀蓿慶怀最一伀最一伀最伀最伀最欀洀漀氀愀最一伀最一最伀最伀最欀洀漀氀捒湫葸最一伀最一最伀最伀氀欀洀漀氀龏乓伀砀乎萀碂汒葹偵灠洀漀氀洀漀氀龏乓伀亁憏葑欀龏乓伀亁瓿汎葹偵灠洀漀氀硗渀伀抈豧硎渀伀屭靓楧伀伀伀伀伀伀摵摥豫蒀葾聧倀倀SVM工具箱快速入手简易教程(by faruto)一. matlab 自带的函数(matlab帮助文件里的例子)只有较新版本的matlab中有这两个SVM的函数=svmtrain svmclass
22、ify=简要语法规则=svmtrainTrain support vector machine classifierSyntaxSVMStruct = svmtrain(Training, Group)SVMStruct = svmtrain(., Kernel_Function, Kernel_FunctionValue, .)SVMStruct = svmtrain(., RBF_Sigma, RBFSigmaValue, .)SVMStruct = svmtrain(., Polyorder, PolyorderValue, .)SVMStruct = svmtrain(., Mlp_P
23、arams, Mlp_ParamsValue, .)SVMStruct = svmtrain(., Method, MethodValue, .)SVMStruct = svmtrain(., QuadProg_Opts, QuadProg_OptsValue, .)SVMStruct = svmtrain(., SMO_Opts, SMO_OptsValue, .)SVMStruct = svmtrain(., BoxConstraint, BoxConstraintValue, .)SVMStruct = svmtrain(., Autoscale, AutoscaleValue, .)S
24、VMStruct = svmtrain(., Showplot, ShowplotValue, .)-svmclassifyClassify data using support vector machineSyntaxGroup = svmclassify(SVMStruct, Sample)Group = svmclassify(SVMStruct, Sample, Showplot, ShowplotValue)=实例研究=load fisheriris%载入matlab自带的数据有关数据的信息可以自己到UCI查找,这是UCI的经典数据之一,得到的数据如下图:tu11.jpg (7.94
25、 KB)2009-5-12 19:50其中meas是150*4的矩阵代表着有150个样本每个样本有4个属性描述,species代表着这150个样本的分类.data = meas(:,1), meas(:,2);%在这里只取meas的第一列和第二列,即只选取前两个属性.groups = ismember(species,setosa);%由于species分类中是有三个分类:setosa,versicolor,virginica,为了使问题简单,我们将其变为二分类问题:Setosa and non-Setosa.train, test = crossvalind(holdOut,groups);
26、cp = classperf(groups);%随机选择训练集合测试集有关crossvalind的使用请自己help一下其中cp作用是后来用来评价分类器的.svmStruct = svmtrain(data(train,:),groups(train),showplot,true);%使用svmtrain进行训练,得到训练后的结构svmStruct,在预测时使用.训练结果如图:tu22.jpg (26.86 KB)2009-5-12 19:50classes = svmclassify(svmStruct,data(test,:),showplot,true);%对于未知的测试集进行分类预测,
27、结果如图:tu33.jpg (37.34 KB)2009-5-12 19:50classperf(cp,classes,test);cp.CorrectRateans = 0.9867%分类器效果测评,就是看测试集分类的准确率的高低.二.台湾林智仁的libsvm工具箱该工具箱下载libsvm-mat-2.86-1: libsvm-mat-2.86-1.rar (73.75 KB) libsvm-mat-2.86-1.rar (73.75 KB)下载次数: 3732009-5-12 20:02安装方法也很简单,解压文件,把当前工作目录调整到libsvm所在的文件夹下,再在set path里将li
28、bsvm所在的文件夹加到里面.然后在命令行里输入mex -setup%选择一下编译器make 这样就可以了.建议大家使用libsvm工具箱,这个更好用一些.可以进行分类多类别,预测.=svmtrainsvmpredict=简要语法:Usage=matlab model = svmtrain(training_label_vector, training_instance_matrix , libsvm_options); -training_label_vector: An m by 1 vector of training labels (type must be double). -tra
29、ining_instance_matrix: An m by n matrix of m training instances with n features. It can be dense or sparse (type must be double). -libsvm_options: A string of training options in the same format as that of LIBSVM.matlab predicted_label, accuracy, decision_values/prob_estimates = svmpredict(testing_label_vector, testing
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