the aim of the present studyis radiographic evaluation of urinary system and the effect of urografin on clinical parameters, urinalysis and renal function tests in sheep. six clinically healthy female sheep were selected for this study.before experiment, vital signs were recorded. blood and urine samples were collected prior to the trials and paraclinical examinations were performed. urine samp...

Ways to reduce nitrogen oxide emissions In order to comply with the increasingly tough emission standards worldwide, engine manufacturers are forced not only to substantially reduce emissions of particulate matter (PM), but also emissions of nitrogen oxides. The main approach pursued by MTU is low-emission combustion, in other words an internal engine solution. However, this means taking into a...

Perpendicular hot electron spin-valve effect in a new vacuum bonded magnetic field sensor and spectroscopic measurement tool Douwe Monsma This thesis may be ordered via the homepage of the Information Storage Technology Group Cover: first electrical measurement result of a spin-valve transistor. The collector current is measured as a function of time. An HP4145B is used for measurement and an F...

The study aimed to investigate the effect of hydrogen on nitrogen and phosphorus removal microbial community composition in aquaculture water. Two groups were designed separated: Group H was charged with D set as control. Water samples collected at 0, 1, 2, 3, 4, 5, 6, 7 days after injection detect not only content total nitrogen, ammonia phosphorus, but also Our findings have demonstrated that...

A multi-pulse injection strategy for premixed charge compression ignition (PCCI) combustion was investigated in a four-valve, direct-injection diesel engine by a computational fluid dynamics (CFD) simulation using KIVA-3V code coupled with detailed chemistry. The effects of fuel splitting proportion, injection timing, spray angles, and injection velocity were examined. The mixing process and fo...

in the present work, the simultaneous effects of fuel injection rate and injection of air jet into the combustion chamber on exhaust emissions, combustion process and performance parameters in a direct injection diesel engine were investigated. in order to create an air jet, a design was presented in which a secondary chamber (air cell) was created inside the cylinder and was joined to the main...

Adult dogs were given a proteinless diet plus casein, 80 calories/kilo, 0.4 gm. nitrogen/kilo/day. Sterile controlled inflammation was produced by subcutaneous injection of turpentine. The reaction is characterized by local swelling, induration, and abscess formation, terminated by rupture or incision after 3 to 5 days and by general reactions of malaise, fever, leucocytosis, and increased urin...