摘要:
A synthetic silicate pellet is provided having a component(s) of calcium and magnesium, either together or in the alternative. Such pellet is further provided with either an aluminate silicate binder and/or an ion flow catalyst. The synthetic silicate pellet has use as a glass batch component.
摘要:
The invention provides a high quality identifiable fluoride crystalline optical microlithography lens element blank for formation into an lens element of a microlithography system. The highly qualified fluoride crystalline characteristics of the fluoride optical lithography lens blank ensure its beneficial performance in the demanding microlithography manufacturing regime which utilizes high energy short wavelength ultraviolet laser sources. The fluoride crystalline optical lithography lens element blanks are comprised of multiple adjoining abutting crystalline subgrains with low boundary angles.
摘要:
A modified alkali silicate composition for forming an inorganic network matrix. The modified alkali silicate matrix is made by reacting an alkali silicate (or its precursors such as an alkali hydroxide, a SiO2 source and water), an acidic inorganic composition, such as a reactive glass, water and optional fillers, additives and processing aids. An inorganic matrix composite can be prepared by applying a slurry of the modified aqueous alkali silicate composition to a reinforcing medium and applying the temperature and pressure necessary to consolidate the desired form. The composite can be shaped by compression molding as well as other known fabrication methods. A notable aspect of the invention is that, although composite and neat resin components prepared from the invention can exhibit excellent dimensional stability to 1000null C. and higher, they can be prepared at the lower temperatures and pressures typical to organic polymer processing.
摘要:
A fire resistant wood door is formed from an opposing pair of rails interconnected by a upper and lower stiles forming an outer frame. A wood laminate core is provided within the outer frame and covered by outer sheathing. The wood laminate core is formed from first and second panels and a heat barrier layer. Each of the first and second panels is formed from an organic material and provided with a plurality of grooves on one surface. The heat barrier layer is in the form of a casting applied to the grooved surface of at least one, and preferably both, of the first and second panels. The panels are then joined together with the heat barrier layer sandwiched therebetween. When joined with the outer frame and sheathing, a wood door is formed having a fire rating of at least 45 minutes.
摘要:
A novel multipurpose mineral composition capable of emitting a large quantity of far infrared rays, negative ions and oxygen heat is manufactured by setting up an iron railing, an iron rod and an iron plate on a brazier, placing a tinfoil on the iron plate, and layering yellow soil, kaolin, sericite, and biomineral in sequence on the tinfoil, while inserting the tinfoil between the layers, loading a pulverized elvan in the furnace, pulverizing a mixed stone including 40 wt % of germanium, 15 wt % of true marine, 30 wt % of zeolite, and 15 wt % of franklin, to the particle size under about 44 nullm, and loading the pulverized mixed stone in an internal furnace which is made by winding a copper plate with a tinfoil and placed on the plurality of layers of the furnace, heating the pulverized mixed stone at about 1,000null C. for about seven days into a lump, and repulverizing the lump.
摘要:
No-bridging fluorine sites in calcium fluoride (CaF2) caused by lanthanide, transition metal or actinide impurities are eliminated by doping the CaF2 with sodium or another monovalent anionic dopant during or after growth of the crystal. This doping technique may be applied in the growth of other UV-transmissive fluoride materials in a family designated by a general formula Z:XFN where X is one or some combination of magnesium, calcium, zinc, strontium, cadmium, and barium, Z is one or some combination of lithium, sodium, potassium, rubidium, cesium, thallium, copper, silver and gold, and N is an integer in the range 1 through 6, and dependant on X. Elimination of the non-bridging fluorine sites can provide solarization resistant materials with low UV absorption even when the material contains sufficient lanthanide transition metal, or actinide impurities to cause the fluoride materials to be highly absorbing for UV radiation in the absence of the monovalent anion doping.
摘要:
A structure made predominately of an NZP-type phase having the general formula RxZ4P6nullySiyO24, where 0nullxnull8, 0 nullynull6, R is Li, Na, K, Rb, Cs, Mg, Ca, Sr, Ba, Y, and/or lanthanides, and Z is Zr, Ti, Nb, Ta, Y, and/or lanthanidess, and optionally a sintering additive. The structure has an open porosity of at least 20% by volume, median pore diameter in micrometers of at least a value defined by the quantity null10-0.10 (% open porosity)null, both as measured by mercury porosimetry, and four-point modulus of rupture as measured on a solid rod of circular cross section, of at least 300 psi. Method of making the structure involves forming a mixture of NZP-forming raw material powders that are metal oxide sources capable of reacting to form an NZP-type reaction product, and/or pre-reacted powder having the above general formula. The volumetric average of the median particle diameters of the raw material powders in the raw materials combination is at least 15 micrometers, and the particle diameters of at least 65% by volume of the totality of the raw material particles are greater than 11 micrometers. The mixture is shaped into a green structure, and fired to produce the finished structure. The structure is preferably multicellular, e.g. a honeycomb, where a fluid stream enters the structure, passes through the cells and is acted upon, and exits the structure. The structure is preferably an alternately plugged honeycomb suitable as a diesel particulate filter.
摘要翻译:主要由具有通式RxZ4P6-ySiyO24的NZP型相的结构,其中0 <= x <= 8,0 <= y <= 6,R是Li,Na,K,Rb,Cs,Mg,Ca ,Sr,Ba,Y和/或镧系元素,Z是Zr,Ti,Nb,Ta,Y和/或无镧,以及任选的烧结添加剂。 该结构具有至少20体积%的开放孔隙率,中值孔径(以微米为单位),至少由[10-0.10(开孔率))定义的值,通过水银孔率法测定,以及四点 至少300psi的圆截面的实心棒上测得的断裂模量。 制造结构的方法包括形成NZP形成原料粉末的混合物,其是能够反应形成NZP型反应产物的金属氧化物源,和/或具有上述通式的预反应的粉末。 原料组合中的原料粉末的中值粒径的体积平均值为至少15微米,原料颗粒的总体积的至少65体积%的粒径大于11微米。 将混合物成形为绿色结构,并烧制以生产成品结构。 该结构优选是多细胞的,例如 蜂窝体,其中流体流进入结构,通过细胞并被作用在并离开结构。 该结构优选为适合作为柴油微粒过滤器的交替堵塞的蜂窝体。