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Abstract: This thesis, starting from the author's investigation and research for the recent 20 years of the site of the sunken ship, makes an analysis of four types of sunken ship sites in 10 cases, and infers the condition of Liujiagang Port in Yuan and
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提要：本文由近20年来笔者对沉船遗址的调查与发掘实践入手，分析和研究太仓元明二代沉船遗址的四种类型和10个案例，从而推证元明之际太仓刘家港的状况以及郑和下西洋选择刘家港的原因。 |
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Abstract: This work established the derivative ultraviolet absorption spectroscopy determination of sulfadiazine(SD),sulfamerhoxazole(SMZ) and trimethoprim(TMP) in multi-component sulphonamide reagent.The recovery rate is 98.2%-99.6%and variation coeffici
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文摘:作者建立了同时测定联磺制剂中磺胺嘧啶(SD)，磺胺甲基异唑(SMZ)和甲氧苄氨嘧啶(TMP)三组分含量的导数紫外分光光度法。其回收率为98.2%？99.6%，变异系数为0.26-0.96%。 |
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Abstract: Threatened by the terrorists, the countries throughout the world are studying on the integrative management system of the global supply chain security, realizing the anti-terrorist fight and anti-brigandage in each sector of the supply chain by
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摘要：面临恐怖分子的严重威胁，世界各国正在研究建立全球供应链安全一体化管理体制，通过高科技设备检控，强化供应链的全程跟踪，把反恐斗争和预防货物被盗窃落实到供应链的每一个环节上。 |
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Abstract: Three kinds of comparison experimental study on irrigation technique for the paddy planting and product increase have been carried out in low land area.The results showed that the “intermit irrigation” is an ideal irrigation technique.The proble
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文摘:对低洼地种稻增产灌溉技术进行了3种对比试验研究，结果表明“间歇灌溉”是理想的灌溉技术，同时指出了应用间歇灌溉技术时应注意的问题。 |
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Abstract: Three theory problems about technology of leather making are discussed.The first is the difference between surface charge and isoelectric point (PI).The second is about the origin of the calculation formula of basicity in making Cr3+ liquor.The
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文摘:本文讨论了皮革制造中的三个理论问题，一是表面电荷与电点(PI)之间差别，二是三价铬鞣液配制中公式的简单来源，三是生皮在碱液中膨胀的机理。 |
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Abstract: Three-dimension turbulent flow in forebay of pumping station is numerically simulated with finite volume method and hybrid grid technique.
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文摘:应用水平方向上是正交贴体坐标系、垂直方向上是笛卡尔坐标系的混合数值网络系统和三维紊流数值模拟的方法，模拟了泵站前池水流流态。 |
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Abstract: Three-dimensional,time-dependent,compressible fluid flow problems have been studied with the finite volume scheme based upon an arbitrary Lagrangian-Eulerian scheme.A general program for arbitrary mesh has been developed.This program can be used
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文摘:在欧拉与拉格朗日耦合的框架下，利用有限体积法对非定态三维可压缩流体流动问题给予研究，开发了一般网格下的通用计算程序.该程序适用于计算复杂几何边界条件、运动边界条件等情况下流体流动问题.作为例子，计算了简单中间包内流体的流动情况，给出了随时间变化的流场分布. |
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Abstract: Three-stage dust removal system of impinger,centrifugal dust collector,wet fibre-grid scrubber applying to dust collecting of driller in opencut mine is reported in this paper.The operational results show that this system has stable operation,hi
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文摘:介绍了用惯性除尘器、旋风除尘器、湿式纤维栅除尘器组成的三级串联除尘系统进行露天矿的钻机收尘,运行结果表明该系统运行可靠，阻力小，除尘效率高，系统出口含尘浓度达到排放标准。 |
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Abstract: Through a research of historical data and the archeological findings, and by visiting the boat artisans in Jiangsu, Zhejiang and Fujian, as well as investigating the existent wooden sailboats and relevant materials, the article makes a discussio
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提要：通过研究历史文献和考古发掘成果，走访苏、浙、闽地区的木船修造工匠，调查现存的木船和相关资料，对郑和宝船的型线、布置和结构进行了探讨，并完成了宝船的复原工作。 |
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Abstract: Through a study on soil aggregate composition, nutrient status and enzymatic activity under mixed forest of Chinese fir Alniphyllum fortunei and pure stand of Chinese fir, the results indicated that, compared to pure stand, the soil structural p
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文摘:通过对杉木拟赤杨混交林及杉木纯林土壤团聚体结构、土壤养分状况及酶活性的研究表明，与杉木纯林相比，混交林土壤结构性能得到改善，供肥和保肥能力加强，各种土壤酶活性提高，土壤肥力较好。 |
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Abstract: Through analyses of the seven aspects such as the size of explosion abatement chamber, explosive, charge pressure, environment etc., the misfire reasons of the Nonel tube detonator are found and the relative solve methods are also given.
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文摘:从消爆气室的大小、药剂、压药压力和环境等7个方面分析了导爆管雷管瞎火的原因，并探讨了相应的解决方法。 |
