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To resolve these problems, this paper deals with the technology of foamed acidizing. The anti-salt and anti-acid foamer DY-1+SJ-8 and foam stabilizer KMS-2 were selected, then their performance under different foamer concentration condition was evaluated and the proper concentration was determined. Thereafter the diversion experiment of foamed acid through the parallel core was conducted.

针对上述问题,对泡沫酸酸化技术进行了研究:通过室内实验筛选出了耐酸耐盐的起泡剂DY-1+SJ-8和稳泡剂KMS-2,并对不同起泡剂浓度下的泡沫酸性能进行了评价,确定了其使用浓度;在此基础上进行了泡沫的岩心分流实验,实验结果表明泡沫泡体可以增加低渗透岩心的分流量,减少高渗岩心的分流量,使泡沫流体在不同渗透率岩心内均匀推进。

The results were as follows: Compared with the control, there were slight changes of the fresh weight and the dry weight of roots and the shoots of Helianthus tuberosus seedlings treated with 25% and 50% seawater, while they significantly declined treated with 75% seawater.

而用适当比例的海水直接灌溉可以大大缓解干旱地区土壤水分蒸发,提高土壤保水能力,一些比较耐盐的经济植物直接用海水灌溉也可以获得比较满意的经济产量,且对一些经济植物品质产生有益的影响,可以取得显著的经济效益[3] 。

Life in Color: Brown Stretching toward a blue salt lake, dry waterways crisscross the brown expanse of Bolivia's Salar de Uyuni, the world's largest salt flat.

伸展对一个蓝色盐湖,干水道纵横交错的棕色的版图,玻利维亚的撒拉族德uyuni ,世界上最大的盐的浅滩。

The Scandia doped tungsten powders were made by both liquid-solid doping method and liquid-liquid doping method on the basis of previous researches. The study shows that on the basis of improving pressing and sintering process, we can obtain sub-micron porous bodies with proper porosities.

研究表明在改进压制、烧结技术的基础上,可以获得具有适当孔度的亚微米结构多孔基体,氧化钪在基体中的分布得到进一步改善,在这种基体中铝酸盐的浸渍率可以达到常规浸渍阴极的要求。

Genus of herbs usually growing in salt marshes: water pimpernels.

通常在盐的沼泽地生长的草本的属;水生的海绿属植物。

The dilute solution of this macromolecular lithum salt in organic solvent was found to have low viscosity and high conductivity, so it was suitable for porous polymer electrolytes. The porous polymer electrolytes using this salt have high conductivity and cation transference number near unity.

这种大分子锂盐的稀溶液的粘度低且电导率高,应用于P基微孔型聚合物电解质可以获得较高的离子电导率和接近1的锂离子迁移数。

A: Partially yes. Natural resources are rich in varieties. China, however, presently only levies the Resource Tax on those businesses engaged in the exploitationof taxable mineral products and the production of salt. Tax is computed on the basis of the quantities of taxable resources sold or self-consumed.

不全对。自然界中的资源极为丰富,目前中国开征的资源税是对在我国境内开采应税矿产品及生产盐的单位和个人,就其应税资源销售数量或自用数量为课税对象而征收的一种税。

Because of September 16 in accordance with the valuation of the New Deal, the Fund has net income in accordance with the industry index to a loss of pre-law provision, Shanghai China Yunnan Salt sky and more than 20 funds, the net value of the future How to become the focus of investor attention.

因为根据9月16日与新政估值,该基金净值与行业指数的前损失的法律规定,上海中国云南盐的天空和20多个基金按照收入,未来净值如何成为投资者关注的焦点。

There was no significant increase in risk associated with bisphosphonate use, but the study was underpowered for definitive conclusions.

在二膦酸盐的应用过程中,骨折的风险没有明显的增加,但是这些研究还不能得出明确的结论。

The months spent after the Granma invasion in the Sierra Maestra, among the forests and the fog, eating boiled yucca and sweet potatoes without salt; his journey, as a wanted man, to Havana; his arrest in 1958 for going to Florida, secretly, to get dynamite to advance the revolution.

在离开格拉玛号后,他们花了几个月才趁着树林和雾的掩护,潜入了马埃斯特腊山区,吃着没有放盐的野草煮红薯。他作为一名通缉犯,在秘密筹备去佛罗里达取支援革命的炸药时被捕,又开始了押赴哈瓦那的旅程。

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According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm~150rpm时取得最大值,此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世,形体几无变化。

When I was in school, the rabbi explained everythingin the Bible two different ways.

当我上学的时候,老师解释《圣经》用两种不同的方法。