electrochemical and optical studies on model photosynthetic systems: progress report for the period 7/1/84 to 12/1/86

objective of this research is to study the relation between the structure of photosynthetic pigments and their spectroscopic and electrochemical properties. model systems under study progress from the least ordered (solutions) through the most highly ordered (langmuir-blodgett (lb) monolayers) systems containing bchl, bpheo, and uq. vesic..

method for in situ coloring crosslinked cellulosic materials patent

cellulosic materials, such as cotton fabrics, can be colored insitu by first treating the fabric with n-phenyldiethanolamine and a crosslinking agent for cellulose, such as dimethylol dihydroxyethyleneurea. after the fabric has been cured it is then colored by treating with sufficient concentrations of nitrous acid to form the colored nit..

dyeable smooth-dry crosslinked cellulosic material. patent application

dyeable smooth-dry crosslinked cellulose fabrics characterized by an amino acid derived of an n-methylol crosslinking agent on a cellulose substrate which can be dyed with basic or direct dyes are disclosed exemplary amino acids can be selected from the group such as glycine, alanine, serine, aspartic acid and glutamic acid

stable crystalline cellulose iii polymorphs. patent application

the invention relates to production of ammonia mercerized cellulose more specifically, the invention relates to treating cellulose fiber with vapors of ammonia to produce stable cellulose iii polymorphs the primary objective is to provide a method for producing cellulosic products with improved physical characteristics of easy-care of per..

sequential oxidative and reductive bleaching in a multicomponent single liquor system. patent application

the present invention relates to processes for oxidative (using hydrogen peroxide) and reductive bleaching of fibers, and fibers bleached by the aforementioned processes. both of the bleaching processes of the present invention may be utilized to great advantage with any of a wide variety of fiber compositions, including animal hair fiber..

wafer-scale laser pantography. vi. direct-write interconnection of vlsi gate arrays

general principles of laser direct-write deposition processes are reviewed. device interconnection of cmos gate arrays by means of computer-controlled, laser-induced thermochemical surface reactions is described. interconnection quality parameters are related, and processing rate considerations are discussed. (era citation 09: 033924)

production of gold-thickness standard reference materials. final rept. reprint: production of gold-thickness standard reference materials

the procedure used to fabricate gold standard reference materials is reviewed along with the procedure used to certify their thickness among the topics presented are (a) the purpose of the standards, (b) the electrodeposition technology used in their fabrication, and (c) quality control and the certification procedures used. both beta bac..

improved surfacing materials for tracked vehicular traffic. final rept

this study was conducted to determine whether thinner plain or reinforced portland cement concrete (pcc) sections could be used for pavement subjected to tracked vehicular traffic for new construction or whether other types of surfacings could be used for tank traffic test pavement items of 2-in. plain pcc, 2-in. reinforced pcc, 2-in fibr..

wide band 44 ghz printed circuit conformal array,

a 16-element printed circuit array in four by four configuration was designed, developed, and tested at 44 ghz using stripline techniques the array incorporated the sanders wide band tee-fed slot element with integral corporate power divider, and produced a well defined main beam in a broadside direction with sidelobes -16 db or better fr..

position and restraint system for aircrewman. patent

the patent describes an aircraft ejection seat position and restraint system for protecting an aircrewman against back injuries during emergency escape. the ejection sequence is initiated by the aircrewman pulling a lower ejection handle or a face curtain handle with both hands to release or shatter the cockpit canopy. a torso harness sui..