نتایج جستجو برای: scale inhibitors
تعداد نتایج: 762426 فیلتر نتایج به سال:
With the advance of new exploration and production technologies, oil and gas production has gone to deeper and tighter formations than ever before. These developments have also brought challenges in scale prediction and inhibition, such as the prevention of scale formation at high temperatures (150–200 C), pressures (1,000–1,500 bar), and total dissolved solids (TDS) (>300,000 mg/L) commonly ex...
one of the most commonly used techniques to reduce the corrosion rate of rebar in concrete is addition substances named corrosion inhibitors into the concrete. corrosion inhibitor is chemical compounds that were added to concrete to prevent corrosion of steel in concrete. sodium nitrate is a type of anodic inhibitors that this study investigatesthe effect of this inhibitor on the properties of ...
development of inhibitor to factor viii is the most serious complication of hemophilia therapy. to determine the prevalence of inhibitors in iran hemophilia a patients exposed to blood products, 1280 hemophilia a patients (age range 9 months-84 years) were evaluated. all patients received several blood products such as fresh frozen plasma (ffp), cryoprecipitate, and factor viii. 635 of 1280 pat...
abstract: mineral scaling in oil and gas production equipment is one of the most important problem that occurs while water injection and it has been recognized to be a major operational problem. the incompatibility between injected and formation waters may result in inorganic scale precipitation in the equipment and reservoir and then reduction of oil production rate and water injection rate. ...
Dissolved mineral salts when heated to form hard-soluble scale, which leads to lower thermal conductivity and a waste of energy. To prevent scale deposition is required to develop effective, stable and cost-effective and highly efficient new inhibitors. In this article the study of the synthesis of dimethylsulfonateurea (DMSU) on the basis of urea and testing as scale inhibitor. Synthesized by ...
combination therapy with clomiphene citrate plus gonadotropin (clomiphene citrate plus hmg) in induction ovulation reduce the gonadotropins dose but antiestrogenic effect of c.c. can decrease pregnancy rate. in a randomized clinical trial we compared 3 treatment protocol for induction ovulation and intra uterine insemination (i/o plus iui) in women with infertility history more than one year, n...
نمودار تعداد نتایج جستجو در هر سال
با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید