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For a soil or rock of water - lacked , a heat transfer theoretical model is developed , which is a steady or unsteady , the results show that reservoir temperature , thermal diffusion coefficient , inlet temperature , flow rate of and run time of ground source heat pumps have an effect directly on heat transfer process of dhe . it can deduce that intermit running is favorable for this type of soils and rocks

对于贫含水地下岩土层建立了稳态与非稳态传热的理论模型,分析结果表明,岩土层的热储温度、导温系数、埋地换热器进水温度、流量以及地源热泵系统的运行时间或开停机比,都对埋地换热器的传热过程产生直接影响,可以推断,对于该类型岩土层的地源热泵系统,采用间歇运行将是有利的。

Pectin is a main structural substance of the cell wall of sugar-beet.

果胶是甜菜粕细胞壁的主要结构物质,是半乳糖醛酸残基通过α—1,4键连接形成的酸性大分子多糖,是食品工业主要的天然食品添加剂之一;甜菜粕是甜菜糖厂产量最大的副产品,我国年产甜菜粕(含水12%)约70-80万吨,目前仅作为廉价饲料销售,急需进行进一步开发利用。

The Karsts, fault and the water bearing fracture belts on the upper covering of the mineral bodies are shown clearly in CSAMT profiles. It is obviously the results are the helpful documents for preventing water bursting...

矿体上盘灰岩中的溶洞、断层、含水破碎带以及可能的与含水层的联系在成果图上反映的非常清晰,为矿山进行水隐患治理提供了一份明确的资料

When the continental crust subducted to a certain depth(~90-110 km), almost no hydrous minerals existed in the plate, and nominally anhydrous minerals(NAMs, such as garnet, pyroxene, quartz) in UHP rocks became the main carriers transporting water into the mantle Garnet and omphacite in UHP eclogites at Shuanghe, Dabieshan have been investigated by Micro-FT-IR The results demonstrate that all garnet and omphacite grairks contain structural water occurring as hydroxyl with the content from 30×10^(-6) to 1860×10^(-6)H2O wt.

大陆深俯冲板块到一定深度后(约90~110km),几乎没有含水矿物存在,超高压岩石中名义上无水矿物成为俯冲板块中水的主要载体,是示踪超高压变质流体的重要途径。对大别山双河地区超高压榴辉岩中的石榴石和绿辉石进行了详细的微区傅立叶变换红外光谱分析。

According to verifying 11 vacuating wells parameters such as structure and sand body thickness that have been predicted by model, it shows high coincidence rate of more than 90% to real datum. Moreover, the permeability variation in pilot site accords with water flooding situation. The computed parameters such as reserves, cumulative oil production of single well and area, water cut have small relative error of less than 2%, the matching accuracy degree is high.

通过11口抽稀井检验,模型预测的构造、砂厚等参数与实际情况相比,符合率在90%以上;试验区的渗透率变化与水淹状况也具有较好的一致性;储量、区块及单井累积产油量、含水等参数计算的相对误差均小于2.0%,拟合精度高。

Now most oil fields have been high water-cut, so studing fluvial sandbody architecture can provide important academic evidence to realize the distribution of remained oil and hold peak or settled production, fn addition to ,how to combine the facts of macroscopical and microcosmic, and how to combine the result of well network and fields outcrop.then instruct production and practice, which is the stress of this article.

在目前大多数主力油田已进入高含水期的形势下,研究河道砂内部建筑结构,可以为了解剩余油分布规律,保持油田高产稳产,提供重要的理论依据。此外,如何将宏观与微观的因素结合起来,将密井网研究成果及野外露头研究成果有机的结合起来,用于指导油田生产实践,也是本次研究的重点之一。

The water-bearing sand strata section from DK355+494 to DK355+517 of Xingwangmao tunnel has been successfully consolidated by horizontal jet grouting piles. The construction technology and construction method of consolidating sand strata by horizontal jet grouting piles are presented in the paper.

结合兴旺峁隧道改DK355+494~+517段含水砂层采用水平旋喷桩加固的成功实例,介绍水平旋喷桩加固砂层的施工工艺及方法;并对施工所需的人员、设备配制以及在施工过程中出现的&抢钻&、&断桩&与&短桩&的处理方法进行简单介绍。

Novozym 435 was used for the synthesis of vitamin A plamitate. The influences of solvent, the molar ratio of substrates, the reaction temperature and time, and the water concentration were optimized and the best result was obtained by interesterification from 0.200 g vitamin A acetate and 0.468 g palmitic acid, at 30℃, in 10 mL hexane, containing 0% of water, with 10% of lipase(mass ratio, immobilized lipase to vitamin A plamitate). In these conditions, 75% of vitamin A acetate was converted into vitamin A plamitate. The immobilized lipase was reused about 6 batches.

对催化合成维生素A棕榈酸酯反应的脂肪酶和反应介质比较,同时对影响合成维生素A棕榈酸酯反应的因素(温度、初始水含量、底物摩尔比、反应时间和酶量等)进行了探讨,优化了反应条件:在10 mL不含水分的正己烷中,0.200 g 维生素A醋酸酯和0.468 g棕榈酸在酶量为10%(指固定化酶与维生素A醋酸酯的质量比)的固定化脂肪酶催化下,在 30℃、190 r/min下反应6 h,转化率可以达到75%,固定化酶可连续使用6次以上。

It is proved that within the same flow unit, with water saturation changing the properties of resistivty, water bearing ratio and relative permeability are alike, and that the properties of them are different among distinct flow units.

开展岩电—相驱实验来研究储层流动单元的水淹特性和相应的测井响应特征,以及含水率、相对渗透率随含水饱和度的变化规律,取得了一些新的认识。

The hydraulic diameter of polymer molecular and the inaccessible pore volume in rocks of different permeability are measured by using the electrical resistivity method.

应用电阻法计数器测定不同相对分子质量聚合物溶液水力学分子直径,并结合原始含水饱和度通过压汞实验确定不同渗透率岩石中的不可及孔隙体积;研究聚合物分子直径与岩石渗透率的配伍关系,进行不同类型油藏聚合物的优选,探讨一种合理选择聚合物分子尺寸和相对分子质量的方法,利于指导油田聚合物驱方案的优化设计。

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With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务,乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐,因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。

Closes the eye, the deep breathing, all no longer are the dreams as if......

关闭眼睛,深呼吸,一切不再是梦想,犹如。。。。。。