Search results for keyword: fissures
GBJ 125-89 Basic terminology standard for water supply and drainage design
GBJ 125-89 Water Supply and Wastewater Design Basic Terms and Definitions
GBJ (General Code of Construction) 125-89 is a set of codes and standards that regulate the design and construction of water supply and wastewater systems. This document establishes basic terms and definitions that must be ......
1051 
Avery
Karst area survey
Karst landscapes are geographically widespread and are developed predominantly on a variety of carbonate rocks, although areas of limestones, gypsum and hydrogenic rocks are also affected in certain regions. The term ‘karst’ is derived from the Karst topography of the limestone region of Sloveni......
groundwater movement
Groundwater Motion
Groundwater motion is the movement of water through porous sediment and rock beneath the Earths surface. It is one of the major forms of hydrological cycle and a key element of water management worldwide. Groundwater motion is the major source of water for human consumption, ag......
gold placer
Gold is something that has been used as a form of currency since antiquity. It is a valuable resource that has been used for centuries to store wealth and to finance large projects such as constructing monuments. Gold is found in many parts of the world and it can be mined from different types of o......
Defect Fracture and Prevention of Ferrule
Abstract
Corrosion fatigue cracking of a circumferential weld due to the welds lack of ductility is often referred to as a lack of a set ring defect. Such defects can be difficult to detect as they are often only visible during a microscopic analysis. With the right prevention methods and pre-ins......
Drilling plugging
Cement grouting for borehole leakage
Cement grouting is one of the most common methods for repairing borehole leakage in a practical and timely manner. It is an effective, cost-efficient, and fast solution for repairing water leaks, allowing for water to be conserved and local groundwater resourc......
Surface Roughness Defects - Casting Process Defects and Their Solutions
Surface Roughness Defects in Casting Process and Solutions
Casting process is widely used in manufacturing industry for producing metal parts, which contributes to over 40% of the turning manufactured metal. Casting process is characterized by forming shapes by pouring melted metal in a mold. The......
plug brick size
Brick Gauge Technology: An Essential Tool For Home Renovation
The benefits of brick gauge technology have become increasingly apparent in the home renovation industry. They allow homeowners to accurately measure and cut bricks with ease, making the process of laying bricks for a new patio, outdoo......
Heat treatment quenching cooling technology (1)
Heat treatment hardening is a process used to increase the toughness and strength of metals through the alloying and quenching processes. It involves heating the metal up to its required temperature, holding it at that temperature for a set period of time, cooling it quickly, and then tempering th......
Generation and prevention of wire cracks
Crack in Wire and How to Prevent It
Cracks in wire can occur during the manufacture, operation, or storage of the wire. During the manufacture of wire, the wire is drawn or extruded through dies that put pressure on the wire, resulting in cracks and splits. During operation, wire fatigue can occu......
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