High-efficiency maintenance and control of the deep coal roadway surrounding rock stability is a reliable guarantee for sustainable development mine. However, it difficult to that locates near with large deformation. With return air 21201 (RAR 21201) in Hulusu mine as research background, situ investigation, theoretical analysis, numerical simulation, engineering practice were carried out study...

It is challenging to assure safe and effective gas mining due the surrounding soft coal rock roads in deep high mines being extremely loose broken. One of ways arrange pre-stressed anchors a certain area roadway rocks form compression arch with joint action rocks, but lack in-depth systematic research on formation mechanism arch, effect difficult give full play. The typical microstructure was o...

The control difficulty of whole coal cavern groups is greatly increased due to the characteristics soft rock with low strength, large sections, and mutual influence crossed groups. section gas storage group taken as research background. In this paper, equivalent circle method used solve loose a rectangular roadway, numerical calculation obtain deformation stress distribution laws surrounding un...

Rock tensile strength (TS) is an essential parameter for designing structures in rock-based projects such as tunnels, dams, and foundations. During the preliminary phase of geotechnical projects, rock TS can be determined through laboratory works, i.e., Brazilian (BTS) test. However, this approach often restricted by laborious costly procedures. Hence, study attempts to estimate BTS values empl...

Abstract There are numerous industry byproducts that have negative environmental impacts. Pond ash accumulated from coal power plants is one such byproduct creates major and social issues, especially with regard to decommissioning a plant. Using pond in the block manufacturing process promising solution proposed by Nu-Rock. This research study evaluated economic impact throughout life cycle of ...

BACKGROUND Toxoplasmosis is a common cause of foodborne, gastrointestinal and congenital syndrome with particularly severe or unknown health consequences. There is no safe and effective preventive or therapeutic modality against congenital toxoplasmosis or to eliminate the persistent chronic infection. HYPOTHESIS Diclazuril to be safe in pregnancy and effective against gastrointestinal toxopl...

Exposure of rat dams to hypergravity during pregnancy is associated with increased pup mortality, reduced food intake, and decreased rates of glucose oxidation and lipogenesis in mammary tissue. We hypothesized that increased pup mortality is due to changes in maternal metabolism and not to reduced food intake of dams. Effects of hypergravity on rate of glucose oxidation and lipogenesis in mamm...

Bovine Neonatal Pancytopenia (BNP), a bleeding syndrome of neonatal calves, is caused by alloantibodies absorbed from the colostrum of particular cows. A commercial BVD vaccine is the likely source of alloantigens eliciting BNP associated alloantibodies. We hypothesized that the rare occurrence of BNP in calves born to vaccinated dams could be associated with genetic differences within dams and...

Primiparous female hamsters were mated to proven breeders and stressed during early pregnancy. Females were housed singly throughout gestation except for Days 4, 5 and 6 when they were paired for 10-min intervals 3 times each day with another female matched for age, weight and day of pregnancy. Within each of the pairs, one female was consistently dominant to the other. Controls were exposed to...

Maternal obesity accentuates offspring obesity in dams bred to develop diet-induced obesity (DIO) on a 31% fat, high-sucrose, high-energy (HE) diet but has no effect on offspring of diet-resistant (DR) dams. Also, only DIO dams become obese when they and DR dams are fed HE diet throughout gestation and lactation. We assessed glucose and oleic acid (OA) sensitivity of dissociated ventromedial hy...