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The present invention adopts the technical proposal of adopting ZSM-5 mesoporous molecular sieve raw powder with a silicon-aluminum mol ratio SiO2Al2O3 of 20 to 1000 and a weight percentage of 20 to 100 percent as well as at least one caking agent selected from SiO2, clay and Al2O3 to extrude, tablet or spray into shape; then treating for 1 to 8 hours by 0.1 to 3 mol/l of at least one ammonium liquor from ammonium nitrate, ammonium chloride or ammonium sulphate or 0.1 to 8.5 mol/l of at least one acid liquor from muriatic acid, nitric acid, vitriol or acetic acid under a temperature of 20 to 90 DEG C; then using steam to treat for 2 to 15 hours under the temperature condition of 400 to 700 DEG C; using a liquor of 0.1 to 3mol/l selected from at least one of oxalic acid, citric acid or maleic acid under a temperature condition of 20 to 90 DEG C to dip for 2 to 5 hours to obtain the modified molecular sieve catalyst, thus better solving the problems.

本发明通过采用硅铝比SiO2/Al2O3为20~1000重量百分比计20~100%的ZSM-5介孔分子筛原粉与余量的选自SiO2、粘土或Al2O3中至少一种粘结剂挤条、压片或喷球成型;再经过0.1~3摩尔/升选自硝酸铵、氯化铵或硫酸铵中的至少一种铵溶液或0.1~8.5摩尔/升选自盐酸、硝酸、硫酸或乙酸中的至少一种酸溶液在温度20~90℃下处理1~8小时;然后在温度为400~700℃条件下水蒸汽处理2~15小时;再用0.1~3摩尔/升选自草酸、柠檬酸或马来酸中至少一种在温度为20~90℃条件下浸渍2~5小时得所需改性分子筛催化剂的技术方案较好地解决了该问题,可用于甲醇转化制丙烯的工业生产中。

The results indicated that the area of SOC increase after 20 years was 621.3 km2 and the increase was 0~5 g/kg and 5~10 g/kg, but that of decrease was 38.4 km2 .The areas of SOC changes in soils derived from phyllite, granite, red sandstone, Quaternary red clay and purple shale were 361.7 km2, 144.7 km2, 76.5 km2, 48.7 km2 and 27.8 km2, respectively. The areas of SOC changes in soils with elevations below 300 m, 300~500m, 500~800m and above 800 m were 358.9 km2, 200.2 km2, 62.9 km2 and 28.0 km2, respectively.

结果表明, 20 a来,兴国县农田土壤中土壤有机碳增加的面积为621.3 km2,减少的面积为38.4 km2,增幅主要在0~5 g/kg和5~10 g/kg;千枚岩、花岗岩、红砂岩、第四纪红粘土和紫色砂页岩发育的土壤中有机碳变化量分布的面积分别为361.7 km2、 144.7 km2、 76.5 km2、 48.7 km2和18.0 km2,海拔在300 m以下、 300~500 m、 500~800 m和800 m以上的土壤中有机碳变化量分布的面积分别为358.9 km2、 200.2 km2、 62.9 km2、 28.0 km2。

Under the action of high confining pressures, the main reasons for the decrease in the strength of frozen fine sand are: pressure melting of pore ice, particle-size breakdown and the growth of microcracks; for frozen silty clay, they are: pressure melting of pore ice and the growth of microcracks.

围压作用下,影响冻结砂土强度弱化的主要原因是孔隙冰的压融、矿物颗粒细化和微裂隙的发育;影响冻结粉质粘土强度弱化的主要原因是孔隙冰的压融和微裂隙的发育。

Through comprehensive analysis of many researchresults about movements of soil water and salts and data about effective root zone from literature,it was determined that the appearance of silt clay loam layer or silt clay layer with more than60cm cumulative thickness or more than 20cm continuous thickness in the 0~100cm soil horizonwas one of the most important indicator for soil series classification.It was also determined thatthe solum structure patterns of 0~150cm were another important indicator for soil seriesclassification.

通过对大量有关土壤水分、盐分运移规律的研究成果和有关土壤根系活动空间的研究资料的分析整理,确定了0~100cm土体中出现累积厚度>60cm或连续厚度>20cm的粉砂粘壤土层或粉砂粘土层作为土系划分的重要指标之一;并有根据地确定土表至150cm的土体构型作为土系划分的重要指标。

By the non-linear finite element programme, the effect of seismic intensity to liquefaction and to occurrence and development of pore water pressure are compared and analyzed, the effect of subjacent bed to liquefaction are compared and analyzed too.

运用该非线性有限元程序,对地震烈度的大小对液化的影响及对孔压的发生和发展的影响进行比较分析,同时对坝基下卧粘土层的土性对液化的影响进行比较分析。

To the question of partial environmental pollution, this subject adopts nanometer to assemble technology and method , compound with antibiotic function silver ion and carrier of zeolite with structure of narrow passage of size of nanometer, make it have antibiotic function , compound silver zeolite of ion implement artificial to activate with the particle hole 2 times distributing and transforming, make ammonia correctly, sulphurate the hydrogen, the formaldehyde waits for the peculiar smell gas to absorb the function fast, add and abolish such auxiliary raw materials as the glass dust , clay ,etc. afterwards, make one with the silica gel solution, is it form usable particle to cook powder body that finish.

针对局部环境污染的问题,本课题采用纳米组装技术和方法,将具有抗菌功能的银离子与具有纳米尺寸孔道结构的沸石载体复合,使其具有抗菌功能,然后将复合了银离子的沸石实施人工活化和二次颗粒孔分布改造,使对氨气,硫化氢,甲醛等异味气体具有快速吸附功能,最后再加入废玻璃粉、粘土等辅助原料,用硅胶溶液造粒,将做好的粉体烧结成便于使用的颗粒。

With the consideration of the spatial variation of physical parameters of soft clay, the probabilistic characteristics of the one-dimensional average degree of consolidation of soft clay was studied and its sensitivity of variance to permeability, void ratio and compression coefficient of soil was also analyzed.

在考虑岩土参数空间变异性的情况下,对软粘土地基一维固结平均固结度的概率特征进行了研究,分析了平均固结度的概率特征对渗透系数、孔隙比和压缩系数三参数变异性的敏感性,进行了岩土参数分布类型对平均固结度影响的正交试验,并根据试验结果进行了方差分析,为进一步开展多层地基固结的可靠性分析打下了基础。

Sawn, Calibrated, 4-cut and 6-cut....+ 1 mmEdges also can be chamfered / bevelled. Chamfering removes whiteness and chipped edges. This looks very good. Chamfering is a simple process in which a polishing brick is run at an angle of 45 ?.

这种类型的人造石材的生产工艺与陶瓷的生产工艺相似,是将斜长石、石英、辉石、石粉及赤铁矿粉和高岭土等混合,一般用40%的粘土和60%的矿粉制成泥浆后,采用注浆法制成坏料,再用半干压法成型,经1000℃左右的高温焙烧而成。

Because of a high groundwater level and a strong erosion action, the coal formed in a low peat swamp is great in gelatification index and in groundwa ter index, which are in a negative correlation to the ratio of clean coal recove ry. While for the high peat swamp, IG and IGW are small, corresponding to a high ratio of clean coal recovery.

低位泥炭沼泽由于潜水位较高,水流对泥炭沼泽表面的改造和冲刷作用较强,形成的煤层具有较高的凝胶化指数和地下水流动指数,并且与精煤产率呈负相关,煤中粘土矿物和黄铁矿难以洗选;高位泥炭沼泽形成的煤层具有较低的凝胶化指数和地下水流动指数,泥炭积累速度较快,其精煤的产率较高。

Here is an astounding fact: Neither the worker in the oil field nor the chemist nor the digger of graphite or clay nor any who mans or makes the ships or trains or trucks nor the one who runs the machine that does the knurling on my bit of metal nor the president of the company performs his singular task because he wants me.

这真是令人惊异的事:油田工人或化工师家,或石墨、粘土开采工,或者是制造轮船、火车、卡车的人,或者是操纵机器生产金属箍上的滚花的工人,或者是铅笔制造公司的总裁,所有这些人,都不是由于本人需要我而干自己的那份工作的。

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The reasons of iron ions content overproof in grade Ⅱ desalting water system,such as variation water quality,contamination of regenerant , operation adjustment of pretreatment system and switching operation of bed were discussed.

对二级脱盐水系统中铁离子含量超标的原因,如来水水质发生波动、再生剂受到污染、预处理系统操作调整、床体运行切换等进行了论述。

You were hired to drum up new business, so go and do it.

公司雇你招徕新业务,你就做你的事好了。

Who is in possession of this?

这是谁的?