查询词典 limestone

The influences of the addition of ground limestone,fly ash and the mixed addition of ground limestone and fly ash on the chloride diffusivities of the high strength concrete are studied by using NT BUILD 492 method.

我国石灰石粉来源丰富，价格低廉，并已广泛用作水泥工业的混合材和混凝土的矿物掺和料。

Experiment 5: Species diversity of AMF community colonized in roots of herbages in limestone and purple soil The species diversity of arbuscular mycorrhizal fungi in roots of various herbages were studied in this paper. Seventeen common herbages were selected as host plants of AMF colonization in this research and they were grown in limestone soil and purple soil, respectively.

试验5：石灰土上草本植物根系内丛枝菌根真菌多样性特征利用聚丙烯酰胺凝胶电泳和银染显影技术，比较了生长于石灰土和紫色土上的草本植物根系内的丛枝菌根真菌(arbuscular mycorrhizal fungi，AMF)群落的物种多样性特征。

Proven deposits of coal, iron, germanium, gallium, manganese, limestone, granite and so on more than 10 kinds, especially in the high calcium limestone, high-grade magnesium-rich dolomite and iron ore reserves for the most.

矿藏已探明的有煤、铁、锗、镓、锰、石灰石、花岗岩等10多种，尤以高钙石灰石、高品位富镁白云岩和铁矿石储量为最。

Three types of experiments: O2/CO2, O2/CO2 with limestone injection and O2/RFG with limestone injection were performed by using high-sulphur lean coal.

该文采用高硫(2.235%)的贫煤，在0.3 MW中试台架上，对O2/CO2、O2/CO2喷钙和O2/CO2循环燃烧喷钙等3种工况进行了SO2和NOx协同脱除的研究。

The standard buff Indiana limestone used in the $1.5 billion stadium was supplied by Indiana Limestone Fabricators of Spencer.

这个15亿美金打造的露天体育场使用了标准的印第安纳黄色石灰石。

The main materials of cement are limestone, clay, silica sand, and iron ore, etc, among them the limestone accounts for 75%- 85%, it is the main materials of cement.

水泥主要原料为石灰石、黏土、矽砂、铁矿等，其中石灰石约占75﹪~85﹪之间，是主要原料。

In this paper, a kind of limestone compound active agent, which can greatly increase the strength of blended limestone cement was introduced. For example, 52.5 MPa clinker can generate 42.5 MPa cement containing 30% limestones by mass when LCAA was used in the cement.

开发出了一种石灰石复合激发剂，应用该种激发剂可以用抗压强度52.5 MPa的熟料稳定生产出石灰石混合材掺量为30%的42.5 MPa水泥。

The assessment result shows: the infirm zone of the aquifer basically distributes in the limestone area of low Ordovician -top Cambrian, which the cranny is uncovered and overgrown, the area is also the direct recharge area of spring basin. In addition , in the rivers valley area of Jin xiuchuan and Bei sha river, because the leakage of the river is serious, the contamination can leak easily to the groundwater in the area of surface and near the river, so this area also is the infirm zone. Frail zone distributes in the uncovered area of mid-Cambrian which the canny upgrowth is commonly, parts of the zone distributes the relatively impervious layer such as shale. In the north-west area where is the down-rivers of two rivers, the alluvium is thick, the protection to the limestone is good.

评价结果显示，济南岩溶泉域含水层很脆弱区基本分布在济南泉域的岩溶裂隙非常发育的、裸露的下奥陶～上寒武的石灰岩地区，该地区也是泉域的直接补给区，另外在锦绣川、北沙河等河谷地带，由于河床渗漏严重，地表水及近河地带污染物容易渗入地下，也为很脆弱区；脆弱区一般分布在裸露的中寒武地层区，岩溶裂隙发育一般，部分地带分布有页岩等相对隔水层；西北部两河下游冲积层较厚，对下伏石灰岩保护功能较强，属于脆弱性相对很低区。

1 A German rendering of a Serbo-Croat term referring to the terrain created by limestone solution and characterized by a virtual absence of surface drainage, a series of surface hollows, depressions and fissures, collapse structures, and an extensive subterranean drainage network. 2 A type of topography that is formed on limestone, gypsum, and other rocks by dissolution, and that is characterized by sinkholes, caves, and underground drainage.

一个根据塞尔维亚－克罗地亚术语的德语，指石灰岩溶解形成的地形，特徵是：缺乏地表排水、一系列的表面空穴、凹陷和断裂、塌陷构造、和广阔的地下排水网络。2）一种地形，在石灰岩、石膏和其它岩石上溶失而形成，以灰岩坑、地穴和地下排水为特徵。

Due to FMI technique basing the advantages of high-resolution and slot of geological information, it can be used to recognize, differentiate and evaluate alga limestone, siltstone and limestone reservoirs.

微电阻率成像测井技术具有分辨率高，携带大量地质信息的优势，能较好地识别、区分和评价藻灰岩，粉砂岩，石灰岩储层。

The system can be widely used in belt weighing and batching process control,etc.

介绍了基于智能模糊控制的嵌入式配料系统的设计方法，对模糊PID控制过程和系统调零作了重点的讨论，同时给出了PID控制的程序流程图和系统定长调零子程序。

"I dunno," she answered,"but if you show me aroun', I'll recognize it from the lighthouse just outside the porthole."

"我不知道，"她回答说，"如果你能带我转转，我能认出来的，因为灯塔就在舷窗外。"