Entries on Geology
SUMMARY. Today, Electronic business (e-business) which is now taking over the economy of the world as the products which are being centered at market places or rather places of interest are now being done via digital processes which merely depends on the consumers’ wishes to drive the demand network. In an economy, it is demand that drives consumers toward certain products, as consumers decide where on the internet they decide to go, and pull in only those products that they specifically want. An e-business, selling product through the internet, is much more dependent on specific consumer demand. E-business is gradually taking over the global economy because of its flexibility which allows everyone in every geographical area to partake actively. Its impact is felt more on developed economy where virtually all the transaction is conducted electronically and also made possible by the availability of infrastructure or what is known as electronic readiness.
This is just a brief Summary of E-Business and Managing transition from start-up to growth
Tekeze reservoir is situated in the northern part of Ethiopia. Physico-chemical parameters of reservoir water such as temperature, dissolved oxygen (DO), pH, transparency, electric conductivity, total dissolved solids (TDS), alkalinity, total hardness, phosphate and sulphate levels was carried out from August 2013 to July 2014 from three sampling stations to access the water quality. The water temperature ranged between 24.19– 27.300C, dissolved oxygen ranged between 4.51 – 6.76 mg/l. The pH, transparency, conductivity and TDS were 7.14 – 8.64, 46.67 – 305.33 cm, 233.30 – 452.00 µs/cm and 0.91 – 1.77 g/L, respectively. There was significant difference (p<0.05) between all the parameters measured, except for water temperature among the seasons, but there was no significant different (p>0.05) in all the parameters between the stations and all the recorded values were within the recommended limit for fish production.
A study was carried out to analyse the effect of brewery effluent from Nigerian brewery Enugu on Ajali River in Eke, Udi Local Government Area, Enugu State. Brewery effluent and water samples from Ajali River were collected with sterile bottles between the month of May and June, 2013. The samples were analyzed for physicochemical properties with standard laboratory techniques. Results obtained in the study revealed that the brewery effluent had the following values: pH (7.71 ± 0.15 pH), temperature (29.50 ± 0.500 C), conductivity (489.00 ± 172.00 us/cm), total suspended solids (26.75 ± 0.25 mg/l), total dissolved solids (2.55 ± 0.47 mg/l), total solid (29.31 ± 0.51), biological oxygen demand (1.95 ± 0.100 mg/l), chemical oxygen demand (49.97 ± 6.00 mg/l), dissolved oxygen (3.00 ± 0.15) mg/l) and turbidity (388.00 ± 117.00 NTU). Ajali River had the following values: pH (7.69 ± 0.00 pH), temperature (26.00 ± 0.000 C), conductivity (280.00 ± 22.00 us/cm), total suspended solids (47.01 ± 0.99 mg/l), total dissolved solids (1.86 ± 0.24 mg/l), total solid (48.87 ± 0.11), biological oxygen demand (1.52 ± 0.12 mg/l), chemical oxygen demand (10.94 ± 2.97 mg/l), dissolved oxygen (4.37 ± 0.17 mg/l) and turbidity (278.00 ± 33.00 NTU). Objectionable water odour was recorded for both brewery effluent and Ajali River. The turbidity, total suspended solids and dissolved oxygen of both brewery effluent and Ajali River were far above the national and international permissible standard limits for effluents and surface waters. The reasons for these variations and their effect on the Ajali River were discussed.