wound healing: biochemical pathways, ultrastructure, and clinical studies

the insoluble collagens from experimentally induced connective tissue of stainless steel mesh cylinders implanted in man, dog, and rat were analyzed for amino acid composition and essentially no differences were observed, the comparative values for these species being similar. in the rat it was found that these tissues contained three cla..

exploratory development of fusion cast calcium fluoride for 1.06 micrometer pulsed laser optics. progress report, december 25, 1976--march 25, 1977

this program is an assessment of fusion cast polycrystalline calcium fluoride for optical components of 1.064 micrometer pulsed laser fusion systems. task areas include casting of essentially stress-free 33 centimeter diameter, 5 centimeter thick ingots, developing surface finishing techniques for optically figured plane and spherical sur..

habitability data handbook. volume 5. garments and ancillary equipment

the garments and ancillary equipment volume was developed to provide handbook data for use by space system planners, designers, system engineers and habitability system engineers. the handbook presents the criteria by which crew garments, garment support systems, and ancillary equipment may be evaluated for use in manned spacecraft the do..

manufacturing methods and technology (mm and t) measure for fabrication of thin film aluminum oxide (al2o3) ion barrier 18mm microchannel plates

effort during the third quarter of the contract was concentrated on fabrication and testing of the second submission of 10 engineering samples. in addition, tasks continued during the report period include: (1) achievement of uniform firepolishing of entire mcp input surface by using a mesh heater structure, (2) improved mcp surface quali..

application of ultrasound and microwaves during treatment of fabrics with liquid-repellent finishes,

two types of military fabric were treated with a liquid-repellent fluorochemical finish in the presence of high-frequency sonic energy (ultrasound) over a range of frequencies and power levels. fabric properties such as physical strength, liquid repellency, and durability of repellency to laundering and wearing were evaluated following tr..

use of hysol us0009 polyurethane encapsulant in battery cables

this report describes the evaluation of hysol us0009 polyurethane as an encapsulant for the battery cable used on the mc1605b. the hysol resin was selected for the application because it was reacted with a non-carcinogenic curing agent and because it exhibited superior mechanical, electrical, and hydrolytic properties over a wide temperat..

solar energy systems. survey of materials performance

a study was performed to obtain data regarding the performance of materials in operational solar energy systems, to identify and assess available standards for evaluating materials, to provide recommendations for the development of test method standards for materials, and to provide guidelines to aid the selection of materials for use in ..

precision miniature parts fabrication

the equipment and procedures developed at sandia laboratories for fabricating and assembling miniature, ultra precisely dimensioned machine parts for nuclear weapons are described. ''miniature,'' by sandia's definition means piece part masses on the order of fractions of a gram, tolerances to six place customary decimals and three place m..

development of low-cost, high energy-per-unit-area solar cell modules. quarterly report no. 1, january 12, 1977--march 31, 1977

a modified hexagonal solar cell production process was planned for phase i of this program. a laserscribe program for cutting modified hexagonal wafers from round silicon wafers was defined and the laserscribe was ordered. investigation of a 400 wafer per hour diffusion process was started. preliminary studies were undertaken on a modifie..

automatic exchange resin pilot plant for removal of textile dye wastes

the report gives results of an investigation of the use of adsorption resins to remove colored dyes from textile dyeing wastewaters, using an automated benchscale pilot unit. this could make possible the reuse of the treated wastewaters in subsequent dyeing operations. the scale of operation facilitated accumulation of reliable data on wh..