查询词典 gravels

The paper elaborates the construction of underwater cofferdam which is based on gravels.

对在砂砾石基础上填筑水下围堰进行了阐述，水下围堰的砂砾石基础采用砂砾石帷幕灌浆进行防渗，从理论、实践等多个方面分析了其可行性。

Due to biggrain size and high hydraulic conductivity, gravels and gravelly soils were once thought to be unliquefiable.

由于砂砾料的颗粒较大，透水性较好，传统的观念认为砂砾料为非液化土。

But the strata with high ground water level are composed of alluvium clays、 silty clay、 gravels and crushed stone soils in Chengdu;And the shield will drive in the interzone with complicated geologic environment, especially in the strata contained more than 50 percent of grav

而成都地铁工程将主要穿越由冲积粘性土、粉土、砂砾和碎石类土组成的覆盖层，地下水位高，盾构将通过大量地质条件和环境条件均极为复杂的区间，特别是地层中还夹杂有大漂石、胶结砾石层、粉细砂透镜体，隧道围岩中直径大于5cm的砾石含量一般都在50%以上，最大的漂石直径达1m左右，且地面多为建筑物密集的繁华地区，施工难度大，国内尚无先例，在国外也无完全成熟的经验。

Water table, the gravels and sands of the former river bed, and its sandbars, will be saturated

这里讲了一种特别的和上面原理一致的胆识小范围的情形，那就是扇形的坡面，河床，海床等。

Statistics were made on the shape of 150 glaciogenic gravels at diameter from 5-15 cm and with one or more stria surfaces, of mainly medium-grained granite and a few sericite schist.

有些作者的工作表明，冰碛中的砾石随搬运距离的增加，其磨圆度和球度的提高是明显的1、2'；还有人用A。

Then he started weeping till his tears wetted the gravels of the ground .

然后，他开始哭泣，直至他的眼泪浸湿了砾石的地面。

With the discovery of angiospermous fossil woods in Yangluo, Wuhan in 1984, fossil woods and gravels in Yangluo, Wuhan, attracted great attention of scholars all the while.

随着1984年阳逻被子化石木的发现，武汉阳逻化石木和阳逻砾石层就一直为学者们所关注。

But the strata with high ground water level are composed of alluvium clays、 silty clay、 gravels and crushed stone soils in Chengdu;And the shield will drive in the interzone with complicated geologic environment, especially in the strata contained more than 50 percent of gravels which diameter is greater than 5cm, also contained big grain size gravels(the maximum diameter is about 1m)、 cement gravels and silty sand with lentoid mass;And on the ground there have many serried buildings in the prosperous zone.

而成都地铁工程将主要穿越由冲积粘性土、粉土、砂砾和碎石类土组成的覆盖层，地下水位高，盾构将通过大量地质条件和环境条件均极为复杂的区间，特别是地层中还夹杂有大漂石、胶结砾石层、粉细砂透镜体，隧道围岩中直径大于5cm的砾石含量一般都在50%以上，最大的漂石直径达1m左右，且地面多为建筑物密集的繁华地区，施工难度大，国内尚无先例，在国外也无完全成熟的经验。

The results showed that the upper section of the profile contains more coarse fractions and loessic fractions, with the presence of gravels, showing vertical changes in grain size. All of these suggested that the upper section is loessic material deposited by water.

研究结果表明：凤凰山剖面上部含有砾石，粗粒组分含量较高，且垂向变化均较大，分选性较差，但同时颗粒组成仍以风成沉积的两个主要粒级为主，为经流水作用改造的次生黄土。

According to the Th-Hf-Ta discriminati on diagram,the protoliths of the eclogite gravels are characterized by volcan ic arc basalts.

在 Th- Hf- Ta判别图上，榴辉岩砾石原岩属于火山弧玄武岩。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。