Holcim wants to change the one-for-one ratio of the share swap the combination entails, and also wants to reconsider whether Lafarge chief executive Bruno Lafont should run the combined entity. Reservations on the part of Holcim's board and large shareholders prompted the reconsideration.Wall ...
bind - make fast; tie or secure, with or as if with a rope; "The Chinese would bind the feet of their women" 2. cement - cover or coat with cement coat, surface - put a coat on; cover the surface of; furnish with a surface; "coat the cake with chocolate" cement - bind or ...
Impact of cement factory operations on air quality and human health in Ewekoro Local Government Area, South-Western Nigeria 喜欢 0 阅读量: 19 作者:OLUSEGUN,OGUNTOKE,ABIDEMI,E.,AWANU,HAROLD,J.,ANNEGARN 摘要: Theoncentrationsf pollutantsssociated withement productionndhe effectsnmbientirnd...
Cement, while critical to the structural integrity of concrete, does not possess significant strength on its own. Its primary role is to react chemically with water and bind the aggregate materials together within the concrete. 10 The curing process is another point of distinction. Concrete ...
However, global demand for hydrochloric acid is very small compared to that for cement, so, if the process were ever operated on a large scale, most of this dilute hydrochloric acid would end up as a hazardous waste stream. Moreover, both of these approaches have high primary energy ...
Influence of the Cement on the Reservoir Properties of the Carboniferous Rocks of the Shebelinka AreaM. Ye. DoludaS. V. LitvinPetroleum Geology A Digest of Russian Literature
Effect of blasts on the study area The stability of a rock mass is affected by its multiple joint structures and by earthquakes and explosion operations. Exploded explosives have two main effects in the field: they damage rocks or their compressive strength parameters and cause the slope to colla...
Although these dispersing agents are biodegradable, they usually have the major disadvantage that they have a retarding effect on the setting characteristics of cement slurries. 10.2.2.2 Set Retarders Set retarders, also known as delayed-setting or hydration control agents, are used to offset the ...
This paper is focused on evaluating the potential of shear stimulation in enhancing productivity of low-permeability rocks using a computational modeling a... A Riahi,B Damjanac - 世界图书出版公司, 被引量: 8发表: 2013年 Based on the simulation for ideal injection rate and study for its influe...
The oil and gas industry’s reliance on well cementing practices to ensure well integrity and productivity is a pressing concern, particularly in exploratory wells where unpredictable conditions can lead to subpar cement bonding efficiency. This study ad