A water-sampling device to monitor the quality of water periodically and temporarily flowing out of concrete tubes, sewers or channels is described. It inexpensively and easily enables a qualitative characterization of contamination via these point-source entry routes. The water sampler can be reverse engineered with different sizes and materials, once installed needs no maintenance, passively ...

Hormozgan Province is located in the south of Iran bordering the Persian Gulf. In this area, malaria is still considered a major health problem. In the province, eleven species of Anopheles were identified: An. pulcherrimus, An. sergenti, An. apoci, An. multicolor, An. subpictus, An. turkhudi, An. fluviatilis, An. stephensi, An. d'thali, An. superpictus, and An. culicifacies, among which only t...

This study was carried out to investigate the effect of different waters; tap water (control), sewage effluent (100 % & 50 %), sewage effluent with Scenedesmus quadricauda and sewage effluent with Nostoc sp. on plant growth, leaf chlorophyll and Assessment of hygienic (fungi) of wheat and alfalfa plants. The obtained results showed that plant height, herb weight (fresh and dry), total chlorophy...

Taihu Lake is located at the center of Changjiang delta region, the Lake and its effluent rivers are important water sources for 40 million around inhabitants and rapidly increasing industrial factories in Shanghai, Jiangsu and Zhejiang. The pollutants originate mainly from acidy rain, home sewage of the vast number of inhabitants, livestock manure, agricultural fertilizers & pesticides applied...

Knowledge of environmental health was assessed in a sample of 192 students at Ja'afaru Secondary School, Zaria, Nigeria, by means of a questionnaire. A follow-up practice survey was also administered to assess the environmental sanitation of the school and the homes of a subsample of the students. Observations were recorded on the sources of water, the methods of refuse and sewage disposal, and...

A bioenvironmental model to control malaria at Bharat Heavy Electricals Ltd. in Hardwar was developed by using existing resources to reduce mosquito breeding. The civil maintenance department carried out major source reduction work by filling pits, low lying areas, ditches, etc., with fly ash from a coal-fired power station, construction of stand posts and proper drainage, mosquito proofing of ...

doruntash ancient city )tchoghazanbil( was built about13 th century b.c and middle period of elam civilization. as a complex ,doruntash was protected by three concentrated walls which are named: inner wall, middle wall and outer wall .big ziggurat ,mausoleums and palaces are some of the must monuments of the ancient city .tchoghazanbil is also famous for its water technologies and water element...

Problem statement: Al-Khadoud spring is one of the most important water resources in AlHassa Governorate, Saudi Arabia. However, much of its biotic information is still unknown. This study presented preliminary ecological information of this aquatic body. The aim of this research was to study the water characteristics and the planktonic organisms inhibiting Al-Khadoud spring and its irrigationa...

This paper studies the concentration rules of different components exudate based on original soil column test by using coal mine pit drainage and tap water as filter fluid to simulate water-rock interaction in sewage irrigation, clear irrigation or precipitation filtration, results show that is mainly dissolved soluble salt, followed cation exchange adsorption. The carbonic balance movement occ...