搜索结果: 1-14 共查到“工学 Causes”相关记录14条 . 查询时间(0.109 秒)
Study:Mountaintop Coal Mining Causes Appalachian Rivers to Run ‘Consistently Saltier’
Mountaintop Coal Mining Appalachian Rivers Consistently Saltier
2017/7/25
Mountaintop-removal coal mining causes many streams and rivers in Appalachia to run consistently saltier for up to 80 percent of the year, a new study by researchers at the University of Wyoming and D...
Influence of droughts on remote villages in the karst region of Guizhou Province, China: Causes and control
Drought Karst Remote village Hazard prevention Water conservancy facilitiesSystem management
2018/3/23
Even though the precipitation is abundant in the Karst region of Guizhou Province, remote villages in this area frequently suffer severe droughts. This paper studied the causes of droughts in this reg...
Some causes of differences in the NH3 concentration measured with the semiconductor sensors by one manufacturer
load resistence sensor resistence air humidity continuous NH3 monitoring
2016/12/9
The paper deals with continuous monitoring of NH3 desorption from material used as bedding in animal breeding establishments, using five semiconductor sensors SP-53 (FIS Inc.). In lab experiments, two...
Terrazzo is a material often used for flooring and consists of an aggregate (typically marble, though glass or other materials are common) in a matrix of cementitious or epoxy material. The aggregate ...
Causes of the Global Warming Observed since the 19th Century
Climate Change Global Warming Climate Forcing Internal Variability
2013/2/27
Measurements show that the Earth’s global-average near-surface temperature has increased by about 0.8℃ since the 19th century. It is critically important to determine whether this global warming is du...
Accident investigation: From searching direct causes to finding in-depth causes – Problem of analysis or/and of analyst?
Accident Industrial safety Organisational analysis Event root-cause
2012/3/23
Current operating feedback systems in industry show some limits since, in numerous industrial companies,the numbers of events do not decrease anymore and similar events seem to recur. Our assumption i...
Accident investigation: From searching direct causes to finding in-depth causes – Problem of analysis or/and of analyst?
Accident Industrial safety Organisational analysis Event root-cause
2012/3/20
Current operating feedback systems in industry show some limits since, in numerous industrial companies,the numbers of events do not decrease anymore and similar events seem to recur. Our assumption i...
Occupational Exposure to Paints Causes Impairment of Kidney Functions
Organic Solvents Uric Acid Creatinine BUN Kidney
2013/3/12
It has been suggested that exposure to organic solvents may have a role in the impairment of kidney function that may progress to kidney failure. However, this has never been evaluated with an appropr...
CAUSES OF CONTRACTOR'S BUSINESS FAILURE IN DEVELOPING COUNTRIES: THE CASE OF PALESTINE
Business failures Bankruptcy Contractors Construction industry
2010/9/28
The construction industry has unique characteristics that sharply distinguish it from other sectors of the economy. It is fragmented, very sensitive to the economic cycles and political environment, a...
Structural causes of defects in a cast iron mill roll
Metallography Castings defects Mill rolls Transformed ledeburite
2011/3/15
This paper describes an analysis of a defective microstructure of a mill roll. For this purpose, a piece of a broken roll was collected. That roll was made of mottled cast iron. Its microstructure con...
Investigations of causes of dumping conveyor breakdown
CAD/CAM Constructional design Materials
2010/2/10
Purpose: The main purposes of the paper are to discuss designing and exploitation problems of machines used in strip mines and investigation of its reasons based on steering frame breakdown of the dum...
Analysis of wearing-out causes for revolving-blade mixers and their reliability improvement
revolving-blade mixer grain sticking, wear, mix homogeneity elastic centrifugal coupling reliability improvement
2010/11/2
In road coverings and structures of transport infrastructure, composite mixes of various compositions are used made with either organic or mineral binding agents. Most often they are made in a discree...
Dynamic processes in the main oil pipelines. Part I. The analysis of causes of leakage occurrence in oil pipelines and leak identification methods
oil pipeline damage identification numerical method wave speed
2010/11/3
The causes of accidental damages and the damages in oil pipelines are presented. The analysis of identification methods of leaks occurring due to the damages of the linear part of the main oil pipelin...
Practical Advice for Workers on Tackling Work-related Stress and its Causes
Workers Work-related Stress Causes
2014/4/25
More than one in four workers are affected by work-related stress in the European Union. It is a big problem for everyone – employers, workers and our society – as it can cause health problems, increa...