查询词典 acidification

Results showed that 1 soil structure in the rhizosphere was very high; water-holding capacity and organism count in the soil increased with altitude and duration of bamboo growth. However, soil etiolation and soil acidification was obvious. 2 Soil acidity was adjusted with lime; best applications were 10.625 thm^(-2) on the valley bottom, 14.811 thm^(-2) for the middle slope, and 12.558 thm^(-2) on the valley top.

结果显示：毛竹林根系活动层(60 cm)土壤结构较好，土壤水源涵养功能的大小和土壤的有机质质量分数随毛竹林成林时间和海拔高度的增加而增加；但土壤黄化、酸化特征较明显，土壤酸性调节主要以施用石灰为主，其中谷底毛竹林改造需石灰量为10.625 thm^(-2)，坡面的里白毛竹林为14.811 thm^(-2)，岗地毛竹林需石灰量为12.558 thm^(-2)；在氮磷钾3种元素中，氮素供应总体上良好，但要获得高产，氮肥的补充也是必需的。

Based on the results of previous studies concluded on the basis of summing up the cracks in the reservoir area characteristics, and boldly against the cracks in the northwest edge of Qaidam Basin, the reservoir development process, the right of oil in the practical application of the You quan zi oil field winding Screen End Well Technology and small acidification of Technology, to take the good results.

本文在参考前人研究成果的基础上，总结了本区储油裂缝的特征，并大胆提出针对柴西北缘裂缝油躲的开发工艺，在油泉子油田实际应用了海带缠绕筛管完井工艺和小型酸化工艺等工艺技术，取到了良好效果。

Secondary pollution might be produced in the weak zone while conventional acidify because of halfway flowback under poor producing energy. Thief zones can obtain superfluous acidizing fluid because of the permeability contrast between layers of prominent interlamination antinomy, which can induce collapse in the thief zone and invalid acidification in the less permeable layers.

低压油气层常规酸化时由于地层能量低，导致残酸溶液无法彻底返排而引起地层的二次污染；层间矛盾突出的地层，由于渗透率差异，酸液将优先进入高渗地层，导致高渗透层进酸量多，从而过度酸化引起坍塌，低渗透层则由于进酸量少而达不到酸化的目的。

In addition, NADP offers isopleth maps and daily, weekly, monthly, seasonal, and annual reports on trends in precipitation and related deposition and acidification problems.

还有等值线图以及每天、每星期、每月、每季和每年的降水、相关沉积和酸化问题报告。

Research on soil acidification and acidic soil' s melioration.

土壤酸化和酸性土壤改良研究。

The high purity of 2-mercapto-β-naphthothiazole was obtained with α-naphthylamine as raw material via reaction of seal glass tube, alkaline extraction, vapor distillation, acidification of acetic acid and ethanol recrystallization.

以α-萘胺为起始原料，通过封管反应、碱提取、水蒸气蒸馏、乙酸酸化和乙醇重结晶，取得了纯度较高的2-巯基－β-萘并噻唑。

Plot of polluted area were lower than the clear plots resulted from the soil acidification.

5酸雨抑制林地土壤微生物的活性，使其数量减少。

This article that focuses on the systematic and in-depth research in the current primal problem about abnormal burst pressure reservoir depress burst pressure has procured following main fruits:1 It forms the method which could obtain massive vertical static state mechanics parameters.2 In a foundation of acquisition of rock mechanics parameters,apply bent lamella that as mechanical model along with characteristic of actual geologic characteristics to analysis curvature for anticlinal strcture, get homologous tectonic stress value throug relation between the curvature and stress and different principal curvature in anticlinal structure,consequently set up laminational stress model for anticline reservoir. The block lamination for existed fracturing date has formed method of setting up mechanical model of lamination terrestrial stress by abtaining the block tectonic stress coefficients which are got by complex utilization test, laboratory test and fracturing date playback.3 Analysesing the main reason which lead to high burst pressure by considering the characteristic of reservoir geology,reservoir,and rock mechanics and reservoir damage,etc.Establishing burst pressure quantitative prediction model which provide gist for depressing construction risk and optimizing construction craft under the condition of open hole completion ,gun-perforated completion and damaged reservoir.4 Provding theoretical basis for interpreting acidification pretreatment which could depress busrt pressure by finding the relation between the influencing factors and rock machanics parameters and analysing the factors that have effect on rock mechanics parameters. Expounding the mechanism of reaction of mixed monomineral and acid from the angle of microcosmic element, evaluating quantitatively acid sensilility of different kinds of mineral effectively, and determing the first-order reaction dynamical equation of each mineral.5 Revealing rock mechanics property chage as a result of acid flooding in different condition by sandstone traumata experiment in different temperatures which combined with rock mechanics triaxial stress experiment.6 Associating damage mechanics with sandstone acidizing, established sandstone damage mechanics model in the foundation of the recognition on the rock mechanics parametric variation which is caused by acid-rock reaction in both macroscopic view and microscopic view ,also demonstrated those processes and quantitative estimated the acid busrt pressure to direct the site operation.

本文针对目前异常破裂压力储层降低破裂压力的主要问题展开较为系统和深入的研究，取得了以下主要成果：1形成了利用测井资料，结合室内岩芯测试结果，获取静动岩石力学参数的相关性特征，从而获得纵向上大量静态力学参数的方法。2在获取了岩石力学参数的此基础上，利用弯曲薄板作为力学模型，结合区块实际地质特征对背斜构造进行曲率分析，通过曲率与应力的关系，利用背斜构造不同部位的主曲率求得相应的构造应力值，从而建立起背斜储层的分层应力模型；对已有压裂资料的区块分层，形成了综合利用测试、室内实验、压裂资料反演获得该区块构造应力系数，建立起分层地应力的力学模型的方法。3综合考虑储层地质、油藏、岩石力学特性和储层伤害等因素，分析造成高破裂压力的主要原因，综合利用岩石力学、弹性力学等知识，建立了裸眼完井、射孔完井条件下以及储层受到伤害后的储层破裂压力定量预测模型，为降低施工风险和优化施工工艺提供了依据。4完成了物性、岩性影响岩石力学参数的因素分析，找出了各影响因素和岩石力学参数之间的关系，为从机理上解释酸化预处理降低破裂压力提供了理论基础；从微观元素的角度阐述了单矿物与酸反应的机理；并在此基础上，有效评价了各种矿物的酸敏感性，定量确定了岩石中各矿物的一级反应动力学方程。5完成了不同温度下的酸液类型、酸液浓度、注酸量等一系列砂岩损伤实验，结合岩石力学三轴应力实验，系统揭示了在不同条件下注酸而引起的岩石力学性质变化。6将损伤力学与砂岩酸化相结合，在宏观、微观两个方面认识酸岩反应引起岩石力学参数变化基础上，建立了砂岩损伤力学模型，并对其进行验证，在此基础上定量计算酸化后的破裂压力，有效指导现场施工

Whey proteins are not precipitated by acidification or rennetting, but when milk is heated to about 65℃ or above, they start to denature, and with the exception of the proteose peptones, become insoluble .

乳清蛋白不会发生酸凝固或凝乳酶沉淀现象。但当乳品被加热至65℃或更高温国庆节时，乳清开始变性，并成为不溶物，但蛋白胨不析出。

In SART law (vulcanization - acidification - return - condense) in, add NaHS to make the prussiate that is united in wedlock with content of cupreous cyanogen complexing is released, with precipitation copper, and be below weak acidity condition gas of HCN of prussiate translate into, in making its return soak loop with free prussiate form.

在SART法(硫化-酸化-返回-浓缩)中，添加NaHS使和铜氰络合物结合的氰化物释放出来，以沉淀铜，并且在弱酸性条件下将氰化物转化为HCN气体，使其以游离氰化物形式返回到浸出回路中。

In the United States, chronic alcoholism and hepatitis C are the most common ones.

在美国，慢性酒精中毒，肝炎是最常见的。

If you have any questions, you can contact me anytime.

如果有任何问题，你可以随时联系我。