Spray aeration is a comparatively low-cost option to reduce trihalomethane (THM) concentrations in distribution system storage. The effect of spray on unregulated, toxic disinfection by-products was investigated bench-scale apparatus closed-tank and open-tank experiments. In the experiments, initially over 90% THMs, trichloroacetonitrile, chloropicrin were removed, while 36% dihaloacetonitriles...

We analyzed data from a prospective study of menstrual cycle function and early pregnancy loss to explore further the effects of trihalomethanes (THM) on reproductive end points. Premenopausal women ((italic)n(/italic) = 403) collected urine samples daily during an average of 5.6 cycles for measurement of steroid metabolites that were used to define menstrual parameters such as cycle and phase ...

The occurrence and the fate of trihalomethanes (THMs) in the water supply system of Hanoi City, Vietnam was investigated from 1998 to 2001. The chlorination efficiency, THM speciation, and, THM formation potential (THMFP) was determined in the water works and in tap water. With regard to THM formation, three types of groundwater resources were identified: (I) high bromide, (II) low bromide, and...

OBJECTIVE High sodium (HS) diet is associated with hypertension (HT) and insulin resistance (IR). We evaluated whether HS diet was associated with a dysregulation of cortisol production and metabolic syndrome (MetS). PATIENTS AND MEASUREMENTS We recruited 370 adults (18-85 years, BMI 29·3 ± 4·4 kg/m(2) , 70% women, 72% HT, 61% MetS). HS diet (urinary sodium >150 mEq/day) was observed in 70% o...

BACKGROUND Trihalomethanes (THMs) occurring in public drinking water sources have been investigated in several epidemiological studies of fetal death and results support a modest association. Other classes of disinfection by-products found in drinking water have not been investigated. AIMS To investigate the effects of haloacetic acid (HAA) compounds in drinking water on stillbirth risk. ME...

Endothelial thrombomodulin plays a critical role in hemostasis by binding thrombin and subsequently converting protein C to its active form, a powerful anticoagulant. Thrombomodulin thus represents a central mechanism by which patency is maintained in normal vessels. However, thrombomodulin expression decreases in perturbed endothelial cells, predisposing to thrombotic occlusion. An adenoviral ...

The parsing problem for a rb i t r a ry un i f icat ion grammars is unsolvable We present a class of un i f i ca t ion grammars for whcih the parsing problem is solvable and a para l le l parsing algori thm for th is class of grammars 1. In t roduc t ion Uni f icat ion grammars have the power of a Turing machine, and one can easily prove this by showing that a un i f i ca t ion grammar can simu...

The theory of coalbed methane distribution controlled by tectonism is a hot issue in the field geofluid-geotectonic interaction research. Taking geological structure scale range 1302 working face Guojiahe wellfield Yonglong mining area as background, this paper focuses on basic research problem influence control coal reservoir gas content and uses THM coupling model to analyze change characteri...

In this paper, we discuss the thermo-hydro-mechanical behaviour of geomaterials at light their microstructure and its changes induced by multiphysics loading. After recalling strong links between water retention properties unsaturated soils, relation themicrostructure physical ruling heat mass transfers are discussed. The mechanical soils is then discussed focussing on definition an effective s...