effects of in-stream mining on channel stability. volume 1. final rept. aug 86-jun 89

the report presents a comprehensive treatment of the technical and non-technical issues related to the impacts of in-stream sand and gravel mining upon the stability of river systems in arizona. all major categories are addressed, including such areas as: regulatory practices, structural hazards, economic value, social and environmental f..

50/50 nylon cotton twill, daytime desert pattern. test rept

a sufficient quantity of 50/50 nylon/cotton twill was prepared in a continuous manner, in accordance with mil-c-44034. prepared cloth was vat dyed continuously to the ground shade, as described in mil-c-44034. cloth was then overprinted with the vat colors listed in section 6 of mil-c-44034 to produce shades in accordance with the standar..

utilization of magnetic fields during coloring of cellulose and polyester fiber fabrics. utilization of magnetic fields during coloring of cellulose and polyester fiber fabrics--translation

the intensification of the processes of coloring textile materials with the utilization of magnetic fields is executed by the magnetic treatment of industrial water or dye solution. magnetization of water during coloring of cotton fabric by direct dyes accomplished on the type pmu-1 apparatus with circular permanent magnets with laminar n..

new coast guard work uniform: a design and field evaluation study technical rept. jan-mar 76

the navy clothing and textile research facility conducted a 90-day evaluation of light and heavy weight prototype polyester-cotton blend shirts dyed coast guard blue 3362 at the u.s. coast guard base, pt allerton, hull, massachusetts, and aboard the u.s. coast guard cutter (uscgc) papaw (wlb-328) based at charleston, south carolina. the s..

heat recovery from dyehouse effluent. report no. 3

considerable amounts of heat are normally lost in the effluent from dyehouses. a heat recovery system has been designed for one particular carpet mill dyehouse, and costings indicate that the scheme should be economic, with a payback time of just over three years. in general it was found that a heat recovery scheme must be designed specif..

flow-visualization of three-dimensional boundary-layer separation on bodies of revolution at incidence

surface streamline patterns on three bodies of revolution, namely a spheroid, a low-drag body and a hemisphere-hemispheroid combination body, have been examined at several angles of attack. most of the tests were performed at low reynolds numbers in a hydraulic flume using colored dye to make the surface flow visible. a limited number of ..

upgrading textile operations to reduce pollution. volume 2 wastewater treatment systems

;contents: the need for wastewater treatment; sources and strengths of textile wastewaters; biological wastewater treatment; case histories of biological wastewater treatment; experience with granular activated carbon in treatment of textile industry

upgrading textile operations to reduce pollution. volume 1. in-plant control of pollution

;contents: water-pollution abatement; the waste survey; major sources of waste; flow reduction; water reuse; waste segregation; panel discussion on substitution of processes and materials; pretreatment of textile wastes; summary; air-pollution abatement; particulate control; solvent processing and recovery; summary

automated array assembly, phase ii. quarterly report no. 2, january 1--march 31, 1978

efforts were concentrated on studies of junction formation by ion implantation, metallization by silk screen printing, spray-on antireflection (ar) coating, and interconnections by welding and reflow solder. ion-implantation studies have shown that the cell efficiency and open-circuit voltage increase with increasing exp 31 p up to 5 x 10..

industrial recovered-materials-utilization targets for the textile-mill-products industry

the congress, in the national energy conservation and policy act of 1978 (necpa), directed the department of energy to establish materials recovery targets for the metals and metal products, paper and allied products, rubber, and textile-mill-products industries the targets were developed to provide incentives for using energy-saving reco..