نتایج جستجو برای: after making saturation mud
تعداد نتایج: 1999637 فیلتر نتایج به سال:
Bante (BaSO,), a major component of drilling muds, can change the texture and erosion properties of surface sediments near offshore d r i h g sites. The effects of barite on the ecology of the marine polychaete Mediomastus arnbiseta (Hartman) were examined in laboratory experiments: a migration experiment, 2 feeding experiments and a growth experiment. In the migration experiment, 18 of 19 worm...
Allogeneic hematopoietic cell transplantation (HCT) from human leukocyte antigen (HLA) matched related donor (MRD) and matched unrelated donors (MUD) produces similar survival for patients with acute myelogenous leukemia. Whether these results can be extended to patients with myelodysplastic syndromes (MDS) is unknown. Therefore, analysis of post-HCT outcomes for MDS was performed. Outcomes of ...
A batch experiment was conducted to compare the Cu scavenging capacity between two different red mud types: the first one was a highly basic red mud derived from a combined sintering and Bayer process, and the second one was a seawater-neutralized red mud derived from the Bayer process. The first red mud contained substantial amounts of CaCO3, which, in combination with the high OH activity, fa...
Eighty one subjects were examined for the relationship between BMI, Body fat, arterial oxygen saturation and arterial PO2 with the subjects at rest and after 5 minutes of walking on a treadmill ergometer at 3 mph at a 3% grade. They had BMIs between 19 and 50. All subjects were free of cardiovascular disease and had normal blood pressure making it safe for them to participate in mild exercise. ...
Polyanionic cellulose polymer is used as an additive in drilling mud in order to decrease water loss and mudcake- thickness. In this study effect of bulk and nanosize polyanionic cellulose on water loss and mud-cakethickness in mud drilling is investigated. Polyanionic cellulose nanoparticles are made by using of ball milling. Size of nanoparticles is measured by Particle size analyzer. Polyani...
The feasibility of applying a self-adaptive filter to eliminate noise in the downhole mud pressure phase shift keying (PSK) signals is studied. The self-adaptive filter with carrier wave as the filter input signal and mud pressure PSK signal including noise as the filter expected input signal in structure was adopted to process the mud pressure PSK signals with the broadband signal characterist...
Wireless broadband communications is a rapidly growing industry. New enabling technologies such as multi-carrier code division multiple access (MC-CDMA) are shaping the future of wireless systems. However, research efforts in improving MC-CDMA receiver performance have received limited attention and there is a need for innovative receiver designs for next generation MC-CDMA. In this thesis, we ...
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