The aim of this study was to investigate the hemagglutination properties of caprine herpesvirus-1 (CpHV-1) and their application for CpHV-1 antigen detection and evaluation of the dynamics of post-infectious/vaccine antibody production. CpHV-1 hemagglutination activity was proved only with mouse erythrocytes, PBS and saline solutions at 4oC and 22oC. In vaccinated animals, goats and bucks with respiratory and genital clinical symptoms the antibody titers obtained by microtiter virus neutralization test (MVNT) were significantly higher (P<0.05) compared to those determined by inhibition hemagglutination test (IHA), while in aborted animals the former were lower than the latter. The diagnostic specificity (Dsp) and sensitivity (Dse) of IHA was determined by comparison of the antibody titers obtained by MVNT. Between groups comparison of MVNT versus IHA test showed significantly higher (X2 = 8, P<0.0047) Dse of IHA for aborted animals and vaccinated animals only. No significant differences were found for the Dsp of any of the investigated groups. IHA test is a suitable method for detecting antibody production after the onset of the disease when IgM antibodies predominate and can be successfully used as an additional method for epidemiological studies and tracing of CpHV-1 antibodies formation and exhaustion.

The most important problem in the industry is corrosion and scale Formation in cooling systems, the most effective solution to overcome the problem is the use of inhibitors. One of the most important and potent inhibitors for this purpose is HEDP. This important organo phosphorous compound is used in various fields such as: Scale control in aqueous systems, corrosion and scale inhibitor in cooling waters, efficient preconcentration and separation of actinide dements from large soil and sediment samples, prescribed medication for osteoporosis, an inhibiting compound against the formation of crystalline mineral deposits on the heat exchanger tubes.Regarding to extensive industrial application of HEDP, have it is attempted to production of Lab-scale HEDP by using the required chemically which are may manufactured in the country in a large scale. The conditions of the synthesis procedure is optimized and the purified product way characterized by means of 1HNMR, IR and elemental analysis. Optimization is preformed considering the kinetic aspects of the reaction as well as the significant variables such as stoichiometric ratio of CH3COOH/H2O, temperature, time and the rate or addition of PCl3 and an efficiency of about %98 is achieved at the optimum conditions.

Given a set𝑆 of 𝑛 points in the plane and a constant 𝛼, (𝑛, 1, 1, a) -center problem is to find two closed disks which each covers the whole 𝑆, the diameter of the bigger one is minimized, and the distance of the two centers is at least 𝛼. Constrained (𝑛, 1, 1, a) -center problem is the (𝑛, 1, 1, 𝛼) -center problem in which the centers are forced to lie on a given line 𝐿. In this paper, we first introduce (𝑛, 1, 1, a) -center problem and its constrained version. Then, we present an 𝑂 (𝑛log𝑛) algorithm for solving the (𝑛, 1, 1, a) -center problem. Finally, we propose a linear time algorithm for its constrained version.