石层

在动态模拟体液中致密CaP陶瓷表面形貌对类骨磷灰石层形成的影响研究

The Effects of Surface Morphology of Calcium Phosphate Ceramics on Apatite Formation in Dynamic SBF

XRD（X射线衍射）结果表明，改性后蒙脱石层间距由1.227nm增至3.476nm。

The spacing of montmorillonite layers was observed to increase from 1.227 nm to 3.476 nm by XRD .

R值梯度带即岩石层变形带，可作为构造分区的参考依据；

The gradient zone of R value is actually a deformed zone of the lithosphere , it could be regarded as an indicator for geotectonic zoning .

PHC管桩在填石层的应用

Application of PHC Pile in backfilled stone layer

矿物组成特征研究表明，蛋白石坡缕石层的矿物组分（Si、Mg、Al）来源于盆地周围玄武岩淋滤的浅层地下水。

It is proposed that the components for the minerals ( Si , Mg , Al ) were supplied by shallow groundwater that is from surrounding basalt .

几种多孔磷酸钙陶瓷形成类骨磷灰石层的能力排序为：HA／TCP＞烧结不完善的HA＞高温烧结的HA，与CaP陶瓷骨诱导能力正好对应。

The ability of bone-like apatite formation of calcium phosphate ceramics is : HA / TCP > HA sintered imperfectly > HA sintered on high temperature .

制备了不同镓含量的镓皂石层柱材料，用XRD、NH3-TPD表征了样品的晶相、酸性，考察了样品对β-甲基萘歧化反应的催化性能。

Pillared materials with gallium are synthesized and characterized . The catalytic properties of disproportionation reaction of β - methylnaphthalene are observed .

TEM和XRD研究表明，在苏皖坡缕石粘土矿床的蛋白石坡缕石层中存在opalA和opalCT两种结构的蛋白石。

TEM and XRD results showed that opals in the palygorskite opal layers of palygorskite clay deposits at the boundary between Anhui and Jiangsu Provinces are divided into opal-A and opal-CT .

通过碱液处理或碱热处理并在模拟体液（SBF）中浸泡，在多孔钛表面制备了具有梯度结构的类骨磷灰石层。

Graded carbonate containing apatite coatings were formed on the surface of porous titanium alkali treated or alkali and heat treated by soaking in simulated body fluid .

CIGS吸收层沉积在线监控方式的研究现状与展望块状壳聚糖多孔支架内交替浸渍沉积磷灰石层

Development and perspective of in-situ-sensors for CIGS absorption layer Depositing an Apatite Coating in / on Massive Chitosan Porous Scaffolds by an Alternate Soaking Method

本文详细介绍了汾河二库施工围堰基础砂卵砾石层高喷灌浆参数的确定及灌浆施工，实践证明在30m厚的砂卵砾石层中进行高喷灌浆是切实可行的。

In this paper , the determination of parameters and construction of the high-pressure gunite technique in Fenhe Reservoir ⅱ are introduced in detail , its effect is also analysed .

分析证明了该材料为纳米复合材料，材料中的蒙脱石层间距增大至5～30nm。

The analysis results of XRD and TEM demonstrate the material is nanocomposite and montmorillonite interlayer spacing increases to 5-30 nm .

采用共沉淀法、离子交换法和焙烧复原法三种不同方法将二氟尼柳嵌入Mg-Al水滑石层间，得到一种有机-无机复合层状材料。

The diflunisal was intercalated into the Mg-Al layered double hydroxide ( Mg-Al-LDH ) to form an organic and inorganic complex material by using three kinds of method separately , such as co-precipitation , ion exchange and reconstruction .

以Q4／Q3界面砾石层作为控制，以淤积面积的40.5%作为误差范围，则流量误差达15.54%。

And 15 . 54 % of error if gravel layer of Q4 / Q3 boundary is taking as control base and the limit of error for sedimentation area is defined as 40 . 5 % .

SFCW由于使所有水流不断与土壤层、砾石层和豆石层反复接触，生成难溶性磷酸盐的几率大大高于SFCW，能够比SFCW更加显著地促进磷沉积。

W-SFCW system , which provides more interaction surfaces for wastewater to react with soil , oval stone and small-sized stone layers , showed higher chances to form insoluble phosphate than SFCW .

用此方法两次模拟直径为0.4～0.8mm砾石随机沉降的二维充填，结果砾石层孔喉尺寸分布不符合正态分布规律，需要进一步探索其分布规律。

In the present experiment , the simulation was conducted twice on gravels of 0.4 0.8 mm in diameter . Both sets of data indicate that the throat size did not demonstrate normal distribution .

该并钻遇了砾石层和单层厚度为135m的可蠕变膏盐层，井底温度高、压力高的高压气层和高压盐水层，钻井过程中易发生渗漏、垮塌情况。

This well drilled through the gravel layer , creeping gypsum salt bed of 135 m , and HTHP gas zone and high-pressured saltwater zone , lost circulations and hole collapses were frequently encountered during drilling .

块石层越厚，路基下的冻土越稳定，随着块石层厚度的增大，相邻厚度块石路基之间的温度差值在逐渐减小，因此本文认为块石层的合理厚度应为0.9m～1.5m；

Thicker the rubble stratum is , stabler the underlying permafrost is . As the temperature difference of two embankments near thickness become lessening with the thickening of rubble stratum , the appropriate range of stratum thickness should be 0.9m ~ 1.5m .

结果表明，暖季粒径为5～8cm的碎石层热屏蔽作用要好于片石层，而冷季粒径为40～50cm的片石层对流作用要强于碎石层。

In warm season , the action of heat-shield on the ballast with diameters of 5-8 cm is better than that with diameters of 40-50 cm . In cold season , the action of convection is stronger than that with diameters of 5-8 cm .

砂砾石层中帷幕灌浆的施工方法和问题分析

Construction method and problem analysis of curtain grouting in sand-gravel layers

高喷灌浆技术在卵砾石层地下水库构筑中的应用

Application of high-pressure jet grouting to underground reservoir with pebble bed

某些矿床中发育的纯透辉石层与成矿不具必然联系。

The diopside is not of certain relation to the metallization .

仿生法沉积磷灰石层的研究进展

Progress in the Study of Biomimetic Process for Depositing Apatite Coatings

卵砾石层中公路隧道设计与施工技术分析

Design and Construction Technology of Highway Tunnel in Gravel Deposits Layers

钻孔灌注桩在砂砾石层上开孔的工艺分析

Analysis on Craft of Drilling for Pipe on Sand-stone Layer

砂卵砾石层作为混凝土面板堆石坝坝基探讨

Discussion on sand and gravel layer foundation of concrete faced rockfill dam

立井掘进冻结砾石层爆破技术初步研究

Study of Blasting Techniques of Frozen Gravel Stratum in Vertical Well Tunneling

砾石充填防砂井砾石层堵塞机理实验研究

Experimental study on pore-blocking mechanism in gravel packs of sand control well

本文提出运用注浆的方法改善砂卵（砾）石层的性能。

Grouting is put forward to improve capability of gravel by author .

江河大堤堤基砂砾石层管涌破坏危害性试验研究

Destructive tests on piping failure of sandy gravel layer of river dikes