Discussion on division principle of granite weathering zone on the site of Xiamen Jimei Bridge;
厦门集美大桥桥址区花岗岩风化带划分原则探讨
Sinopec′s approaches to the issues emerging in the new round of national CBM resources assessment, such as the low-limit depth of CBM weathering zone, CBM mineable coefficient, and reliability of CBM geological reserves, are briefly presented for the purpose of advancing CBM resources assessment in China.
本文简要介绍了在新一轮煤层气资源评价中,中国石化对煤层气风化带下限深度、煤层气可采系数和煤层气地质资源量可靠性评价等重要技术问题的处理方法,旨在通过评价方法技术的讨论,推动我国煤层气资源评价工作的顺利发展。
Based on the example of the application of radial well which have satisfied the feed-water problem in a certain factory in the City of Bengbu,Anhui Province,where groundwater is meager,the paper discussed the application of radial well in aquitarde of granite-gneiss weathered zone.
本文通过安徽省蚌埠市某厂利用辐射井技术解决地下水贫水地区供水问题的工程实例 ,探讨了在花岗片麻岩风化带弱含水层中辐射井技术的应用问题。
During the grouting borehole drilling operation process in Yangcun Mine,in order to solve the drilling jammed and drilling tools buried problems due to the borehole falling in the weathered zone of the borehole,the surface pre-grouting construction design was optimized and the length of the second group casing pipe was extended to bellow the weathered zone.
在杨村煤矿注浆孔钻探施工过程中,为了解决因风化带塌孔而造成的卡钻、埋钻等问题,对地面预注浆施工设计进行了优化:延伸第2组孔套管长度至风化带以下;主井、风井第2组孔完成本孔钻注工作后,通过定向钻进完成第1组孔下部注浆孔施工,绕开破碎带。
The paper has studied the strata distributive character and engineering geologic property of bed rock zone of weathering in cryptical coal field, based on large of data form testing and real-field materials, taking importance on the laws of overlying destruction and underground pressure behavior and the mechanism of decreasing protective coal columns while extracting proximity zone of weathering.
以大量实验数据和现场测试资料为依据,研究了隐伏煤田基岩风化带岩体的分布特点及工程地质特性,重点论述了邻近风化带开采的覆岩破坏和矿山压力显现规律以及缩小防护煤柱的机理,为类似矿井的资源回收与安全开采提供了依据。
Study on the law of coal layer safe extraction in efflorescent oxygenized belts;
风氧化带内煤层安全开采关键技术的研究
Regulars and characteristics of overlying strata in mining efflorescent oxygenized belts's coal seams;
风氧化带内煤层开采覆岩移动破坏规律研究
Based on testing data in worksite and engineering practice, the strata damage movement characteristics, rock properties of weathered zone and qualitative and quantitative analysis of the mechanism of coal layer safety extraction in efflorescent oxygenized belts were discussed.
根据现场观测和工程实践,论述了风氧化带内煤层开采时,覆岩破坏移动特征,风化带岩石属性和风氧化带内煤层安全开采机理的定性、定量分析。
The weathered crust of monzonitic granite studied can be divided into fourzones in ascending order: the primary zone; the slightly weathering zone, theweakly weathering zone;
二长花岗岩风化壳自下而上划分为原生带、微风化带、弱风化带和强风化带。
Pre-grouting Technology at Surface for 100 m Thick High Weathered Rock Zone in Ventilation Shaft of Yangcun Mine
杨村煤矿百米厚强风化带风井地面预注浆技术
The Wind Field Transition during the Landfalling of Severe Tropical Storm Kammuri
强热带风暴“北冕”登陆前后的风场变化
The design here exhibits a strong style of Maya Culture.
这里的设计带着浓厚的玛雅文化风格。
A Thought on Planning a Cultural Ethnic Tourism Zone in Zhuang Inhabited Area;
关于壮乡文化风情旅游带建设的思考
Relationship between Tropical Cyclone Activities over Coastal Waters of China and Interannual Variation of Eastern Asian Subtropical Monsoons
我国近海热带气旋活动与东亚副热带季风年际变化的关系
"It will Bring China tremendous changes, opportunities as well as challenges"
这会给中国带来很大的变化,机会与风险并存
The Interdecadal SST Variations in the Subtropical Ocean and Its Impacts on East Asian Summer Monsoon;
副热带海温年代际变化及对东亚夏季风的影响
The Risk for Commercial Banks from the Marketing of Interest Rate and Measures against It;
利率市场化给商业银行带来的风险与防范对策
Evaluating Function of Economic Effects with Risk Degree and Its Optimization Model;
带风险度的经济效果评价函数及其优化模型
Research Complex Strengthening Technology of Automotive Fan Belt Plate Composite Drawing Die
汽车风扇带盘拉深模具复合强化工艺研究
Discussion on Tertiary Hydro-geological Feature and Pillar Setting in Efflorescent Oxygenized Belt
第三系水文地质特征与风氧化带煤柱留设
calm zone of Capricorn
南半球副热带无风带
calm zone of Cancer
北半球副热带无风带
However, high randomicity of wind brings a big problem for a wind farm to provide electric grids with necessary power.
然而风变化的随机性大,给风电并网带来不利影响,尤其是大容量风电场的并网。
rainfall in the tropics is notoriously variable; variable winds; variable expenses.
热带的降雨广为人知的变化多端的；变化的风向；可变消费。
Constraints on Silicate Weathering Rates in Different Settings: Climatic or Tectonic?
不同构造带硅酸盐化学风化率的制约:气候还是构造?
Only the least risk can bring about the most transaction security.
所有权风险的最小化才能带来交易安全的最大化。