液化的

Hydro-liquefactions of coal were carried out in a miniautoclave using diphenylmethane and phenetole as model compounds in tetralin solvent.

以二苯甲烷、苯乙醚为煤的模型化合物，以四氢萘为溶剂，进行中高压加氢液化实验，结合产物的气相色谱和质谱分析，考察了SO24-/ZrO2固体酸对煤直接液化的催化作用及加氢液化机理。

In order to study the effects of acid catalysts on wood liquefaction in phenol, the liquefaction of wood powder from Chinese fir and poplar in the presence of phenol using several relatively weak acids as catalysts, such as phosphoric acid (85%), sulfuric acid (36%), hydrochloric acid (37%) and oxalic acid (99%), were investigated.

为了探讨酸性催化剂对木材苯酚液化的影响，该研究采用磷酸(85%)、低浓硫酸(36%)、盐酸(37%)、草酸(99.5%)4种弱酸性无机酸，在不同温度下进行了木材的液化试验。

It is analyzed to be inapparent promotion of coal conversion in coliquefaction.

国内外学者从煤直接液化的反应机理入手，利用生物质、废塑料以及渣油做添加剂与煤共液化进行了探索性研究，发现在合适的条件下，添加剂对煤的转化有促进作用。

Discussions have been made in preliminary judgement of sandy soils liquefaction, statistical formula of liquefaction judgement, liquefaction potential index and classification of liquefiable foundation soil.

文中讨论了砂土液化的初步判别方法、液化判别统计公式、液化指数及液化地基等级的划分。

In order to overcome the defect of traditional methods and to find a new simply and effective time-domain method to eliminate the influence of boundary reflection. The main contents of studies and achievements are as follows: The liquefiable saturated sand dynamic character researches are conducted by means of the resonant column test and the dynamic tri-axial test; The undrain dynamic relationship between stress and strain, the damping ratio, saturated sand liquefaction mechanism, laboratory liquefaction standard, the effective factors of liquefaction are considered in laboratory. Liquefaction strength parameters used in element numerical simulation are obtained.

为克服传统方法存在的问题，寻求一种简单有效、能消除截断边界反射影响的时域有限元方法，本文主要开展了如下研究工作：对工程场地土体进行了标准贯入、静力触探、剪切波速等现场原位试验、室内动三轴试验以及共振柱试验，针对研究区域内可液化的饱和土进行了动力特性试验研究，分析了饱和土体的不排水动应力～应变关系和阻尼特性；对研究区域内的饱和砂土的液化机理，室内试验液化判别标准及影响饱和砂土液化的诸多因素进行了研究，得出了工程场地土体的抗液化强度指标等有限元模拟所需参数。

High-pressure liquefaction of a sawdust in syngas and hydrogen with tetralin as solvent was performed in an autoclave,and the effects of temperature,reaction time and initial reaction pressure on the sawdust high-pressure liquefaction were studied by testing the distribution and characteristic of liquefaction products.

在小型高压反应釜中以四氢萘为溶剂，氢气和合成气为液化反应气，通过对不同液化条件下所得液化产物的收率及性质分析，考察了不同液化条件(反应温度、反应时间、反应气压力)对锯屑高压液化行为的影响；同时在相同液化条件下，通过液化产物收率和性质的分析，考察了气氛对锯屑高压液化行为的影响，探讨了用合成气代替氢气进行液化的可行性。

In this thesis, the process and law of high temperature rapid liquefaction were studied during liquefying Yang cun coal and Sheng mu coal, moreover their reaction characteristics were discussed.

论文主要研究杨村煤和大柳塔煤高温快速液化的工艺条件及规律，探讨煤高温快速液化的反应特性。

The major advantage of PFC2D is the evolution regularity of microscopic fabric parameters including co-ordination number, contact normal, normal contact force, shear contact force, can be achieved together with the macroscopic liquefaction response. The micromechanism of sand liquefaction is further discussed.

颗粒流数值模拟的优点在于得到试样液化宏观力学表现的同时，通过不同循环加荷时刻试样内细观组构参量（包括配位数、接触法向分布、粒间法向接触力、粒间切向接触力）的演化规律，分析砂土液化过程中细观组构变化与宏观力学响应之间的内在联系，从而可进一步探讨砂土液化的细观力学机制。

The purpose of this research was to study the effect of grain size on liquefaction-related behavior of sandy soils using portable soil tank and shaking table.

本研究将以前人设计之土壤液化箱并利用小型震动台，作震动液化试验来探讨土壤颗粒粒径大小对液化的影响及相关行为研究。

In the winter, just turn the whole process, bottom-up ammonia, and ammonia from the top of the exchange of heat, yet the liquefied ammonia to continue to rise to the top in the final heat exchange with the outside world and liquefaction.

到了冬天，整个过程恰好反过来，氨气由下而上，与由上而下的液氨交换热量，尚未液化的氨气继续往上升，最后在顶端与外界交换热量而液化。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。