Experimental results show that hydrogen can be produced by the reaction between nitric acid with a given concentration and aluminum handled by means of mercuric bichloride solution under room temperature. Whereas hydrogen is not detected without aluminum handled by mercuric chloride solution.

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On general average disbursements, other than the wages and maintenance of master, officers and crew and fuel and stores not replaced during the voyage, shall be allowed in general average, but when the funds are not provided by any of the contributing interests, the necessary cost of obtaining the funds required by means of a bottomry bond or otherwise, or the loss sustained by owners of goods sold for the purpose, shall be allowed in general average.

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Firstly, the decision matrix is transformed into an objective matrix, and then the weight of every objective is determined by means of entropy coefficient method. By Integration of experts' knowledge, the acceptable lower bound of degree of satisfaction and acceptable upper one of degree of dissatisfaction of every objective are decided. At last, by using the weight vector and the acceptable lower boun...

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After mainenervations being drawn out and being dried for 4 hours at 60℃,1156 samples of tobacco leaves from different tobacco producing-area were made into powder (≤0.13 mm). Reducing sugar, total sugar, nicotine, nitrogen, potassium and chlorine of more than 1000 samples from different tobacco producing-area were determined with classical chemical or instrumental methods. By scanning these samples with Fourier transform Near Infrared spectrometer (MARIXT-I produced by Bucker) we obtained their spectrograms, pretreated the spectrograms with a chemometrics software (OPUS 5.5) to debase the noises influence on spectrum information, and built a chemometrics model by means of Partial Least2Squares. The chemometric model was optimized some times and validated with some other samples.

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The cartographic generalization system can be used to generalize contours and rivers. Although it don't realize completely automation, most tasks can be done by the program, and by means of the interactive method, the results are similar with the results generalized by cartographer.

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It is demonstrated that the chiral quaternary ammonium salts catalysts exhibit promising catalytic properties for the substrate. Part III: The synthesis and the characterizing of the macroporous aminomethyl resin-supported cinchona alkaloid complexes and the study on its catalytic properties The part consists of two subsections. the macroporous aminomethyl resin -supported cinchona alkaloid complexes were synthesized by the stuff (cinchonine, quinine and macroporous aminomethyl resin). Their structures were characterized by means of elemental analysis, XPS, TG/DTA; the chiral polymer-supported complexes were first used as catalysts for the reduction of ketones. Their catalytic properties for the reduction processes were investigated. The comparison of the products e.e., the conversion of the substrate among different reduction processes was employed with determined by HPLC. The effects of the time, the temperature, the ratio of catalyst to substrate, reaction solvent as well as the recycle times were also discussed.

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At first, the protections and circuit breakers are taken as conditional attributes and faulty region as decision-making attribute, various faults are investigated and decision table is established; then by use of attribute reducing method based on cognizable matrix and information entropy the optimal attribute reduction combination is extracted; finally, by means of the reduction decision table formed by optimal attribute reduction combination, the naive Bayesian networks model is built and the nodal probability is trained.

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Aim of the article was to provide a new approach of the fingerprint diagram research for TCM by means of spectrometry, which was capable of indicating the character of TCM. For the purpose of getting indication of NIRDRS convolution fingerprint diagram, the visualization technology was adopted to display the information which have been processed by convolution transform, then color-coded image was displayed in computer and the similarity coefficient was worked out between the fingerprint diagrams by cosine formula. Part one Theory and system design The spectrometry (UV/Vis, NIR, IR) is disadvantageous in the fingerprint analysis of complex systems both its difficulty of specificity and the similarity of TCM.

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