The porosity loss caused by cementation is 7.1%.
胶结作用造成的平均孔隙度丧失为7.1%。
Clay coats can be particularly important as inhibitors of later quartz cementation.
粘土包壳作为石英晚期胶结作用的抑制剂可能是特别重要的。
The chemical treatment main method has the cementation, Azotize, infiltrates the metal.
化学热处理的主要有渗碳、渗氮、渗金属的方法。
It is the calcite cementation that results in the variation of carbonate mineral contents.
引起碳酸盐含量变化的正是其中的方解石胶结物的变化。
Heavy oil reservoir of loose sand is of large porosity, loose cementation and higher clay content.
疏松砂岩稠油油藏孔隙度大，胶结疏松，粘土矿物含量偏高。
During the cementation, the thermal fluids containing hydrocarbon occurred in the form of inclusions.
在胶结过程中含烃热流体便以包裹体的形式得以保存。
Bonding quality testing of the second interface of well cementation is a difficult problem in oil log-ging.
检测第二界面的固井质量是当今石油测井中的一项技术难题。
Calcite cementation is one of the most important diagenesis in sandstone reservoir, extraordinarily growing and widespread.
方解石胶结是砂岩储层最重要的一种成岩作用，非常发育和广泛。
The synthetic unconsolidated samples with weak cementation and high porosity were prepared using physical simulation technique.
利用物理模拟技术制作了一组微弱胶结、非固结高孔隙度人造样本。
Reduction of the hydration heat during cementation of radioactive resins can reduce thermal stresses and prevent thermal cracks.
降低放射性废树脂水泥固化中水化热可以降低温度应力、减少裂纹。
A study on the microstructure at the cementation interface between cement and casing is conducted in the dynamic aging condition.
在动态养护条件下对油井水泥与钢管的胶结界面处微观结构进行了研究。
Shearing strength of concrete and limestone and limestone is mostly controlled by cementation strength for concrete and limestone.
混凝土与灰岩的抗剪强度主要受混凝土与灰岩的胶结强度控制。
Main diagenesis of the syndiagenesis is carbonate cementation in the shallow lake sheet sands and rearrangement caused by compaction.
早成岩阶段的主要成岩作用是碳酸盐胶结作用以及压实作用引起的颗粒重排；
However, the fundamental chemistry including kinetics of this cementation reaction is not fully understood and warrants further study.
然而，基本的化学反应包括粘结反应的动力学，不完全被了解并且需要更深入的研究。
Different from natural soils, the damage of cementation should be considered in the strength mechanics of lightweight bead-treated soil.
与一般的土体不同的是，其抗剪强度机理应考虑轻质混合土试样胶结结构的逐渐破损效应。
As some oil enclaves were enclosed within calcite, the oil pool formation time should be equal to or later than calcite cementation time.
由于方解石中也含有烃类包体，油藏形成期就应等于或晚于方解石胶结物的形成期。
With regard to how ameliorate the strength of back-filling materials of tailing-cementation, some Suggestions are summarized in this paper.
针对尾砂水泥胶结充填体强度如何提高的问题，总结了湖北鸡笼山金矿几点经验与建议。
Objective: To compare the effect of resin-modified glass ionomer cement and conventional glass ionomer cement on orthodontic band cementation.
目的：比较树脂改良型玻璃离子粘固剂和传统型玻璃离子粘固剂对正畸带环的粘接效果。
It is significance for resolving the correlative technical staggering problems to develop researches on microstructures of cementation interface.
开展胶结界面微观结构的研究对解决相关的技术难题具有十分重要的意义。
Although the chemical composition of bone cement has essentially remained the same over the years, the cementation technique has changed greatly.
尽管骨水泥化学成分数十年来没有变化，但骨水泥技术得到了极大的改进。
This research used Bacillus pasteurii and medium to treat silica, compared to the control without bacteria, the effect of cementation was obvious.
利用巴斯德芽孢杆菌和培养基来处理石英砂，与不含菌的对照样品相比，其固化效果比较明显。
Deep caries based by the glass ions cementation agent, could significantly reduce composite resin pulp stimulation to protect pulp, and better effect.
深龋经玻璃离子粘固剂垫底后，能明显减轻复合树脂对牙髓的刺激作用，从而护髓效果更佳。
The effect is not apparently when using methods of large-diameter barrels, cementation and so forth during branching drilling in Cenozoic loose beds.
采用粗径岩心管、水泥封闭等方法在新生界松散层中人为叉孔有时效果不太明显。
Decrease of sandstone porosity is mainly caused by compaction and cementation, which contribute 22% and 15% to the loss of primary pores, respectively.
压实作用和胶结作用是砂岩孔隙度降低的主要原因，分别造成22%和15%的原生孔隙丧失。
The study of porosity evolution shows the compaction is the main cause resulting in the disappearance of primary porosity, and the next one is cementation.
通过孔隙演化研究发现，压实作用是该区原始孔隙损失的最主要因素；其次为胶结作用。
The results indicate that the forming mechanism of the low permeability in this area is the filling and cementation of autogenetic mineral during diagenesis.
研究结果表明，本区储层砂岩较低渗透率的主要成因是成岩期各种自生矿物的充填和胶结作用。
The formation of algal limestone reservoirs has mainly been controlled by the stability of sedimentary environment, early eluviation and late cementation filling.
藻灰岩储层的形成主要受沉积环境的稳定性、早期淋溶和晚期胶结-充填作用的控制。
Basins in Jiangxi province mostly are red basins dominated by sandy conglomerate, and some conglomerate and sandstone with calcareous and ferruginous cementation.
省内盆地多为红盆，岩性以砂砾岩为主，其次为砾岩和砂岩，胶结物以钙质和铁质为主。
Basins in Jiangxi province mostly are red basins dominated by sandy conglomerate, and some conglomerate and sandstone with calcareous and ferruginous cementation.
省内盆地多为红盆，岩性以砂砾岩为主，其次为砾岩和砂岩，胶结物以钙质和铁质为主。
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