摘要:
A process for producing solid vermiculite products which are stable in water which comprises incorporating a urea-formaldehyde or melamine-formaldehyde resin in an aqueous suspension of vermiculite lamellae, shaping the suspension and removing water from the suspension, and curing the shaped composition by heating during and/or after removal of water from the suspension. The invention includes an aqueous suspension of vermiculite lamellae having a resin incorporated therein and a dry-powder mixture of vermiculite lamellae and a resin.
摘要:
A method of fighting fires which comprises applying to the fire a foam produced from an aqueous composition comprising as a surface-active agent the residue of a branched oligomer of tetrafluoroethylene (C.sub.2 F.sub.4).sub.n wherein n is 4, 5, or 6 having a hydrophilic group attached to the residue of the oligomer, said oligomer having at least three CF.sub.3 groups and being characterized by a formula selected from the group consisting of: ##STR1## The surfactants are particularly effective when incorporated in foams derived from other foam-producing materials.
摘要翻译:一种扑灭火灾的方法,其特征在于,将由含有作为表面活性剂的含水组合物产生的泡沫体施加到火焰上,残留物为四氟乙烯(C 2 F 4)n的支化低聚物,其中n为4,5或6,具有亲水基团 所述低聚物具有至少三个CF 3基团,并且其特征在于选自以下的式:所述表面活性剂在加入到所述低聚物的残基中时特别有效 衍生自其他发泡材料的泡沫。
摘要:
A wavelength meter, an associated method, and system are generally described. In one example, an apparatus includes a photodiode to receive an optical signal and to generate a photocurrent upon receiving the optical signal, the photodiode having an absorption edge that is substantially aligned with a band of wavelengths, wherein the absorption edge shifts toward longer wavelengths when a reverse bias is applied to the photodiode, and control electronics coupled with the photodiode to apply at least a first reverse bias and a second reverse bias to the photodiode, wherein a ratio of a first measurement of the photocurrent at the first reverse bias and a second measurement of the photocurrent at the second reverse bias provides information about the wavelength of the optical signal.
摘要:
A waveguide core is positioned proximate to a lower cladding layer, wherein the waveguide core includes a lower waveguide core layer and an upper waveguide core layer, the lower waveguide core layer having a lower refractive index than the upper waveguide core layer. An upper cladding layer is positioned proximate to the waveguide core.
摘要:
Described herein are compounds and pharmaceutical compositions containing such compounds, which modulate the activity of 5-lipoxygenase-activating protein (FLAP). Also described herein are methods of using such FLAP modulators, alone and in combination with other compounds, for treating respiratory, cardiovascular, and other leukotriene-dependent or leukotriene mediated conditions or diseases.
摘要:
An apparatus and method are extracting water from the ambient air comprising drawing air through an particle ionizer grid, evaporator plates of a refrigerant system the system and recirculating the ionized air and mixing said ionized air with ambient air and recycling said mixed air through said ionizer and evaporator plates to extract moisture from the air. The system utilizes sensors to constantly sense and predictively respond to multiple parameters, monitored at multiple points in the system to predictively and efficiently adjust the system operation to continually maximize the extraction of water regardless of ambient temperature and humidity.
摘要:
The instant invention provides a method for treating and/or reducing the risk for atherosclerosis comprising administering an effective amount of a FLAP inhibitor alone or in combination with another anti-atherosclerotic agent to a patient in need of such treatment.
摘要:
A mechanism for translating objects between applications that use different formats is described. As described, a source object is generated using a source application. The source object is then translated to a target object in a target application. The target application having a format that is not supported by the source application. A first modification, which is not supported by the source application, is then performed to the target object. A second modification is also performed to the source object in the source application. Based on the modifications, the target object in the target application is revised to reflect the second modification to the source object without removing the first modification to the target object.
摘要:
A mechanism for translating objects between applications that use different formats is described. As described, a source object is generated using a source application. The source object is then translated to a target object in a target application. The target application having a format that is not supported by the source application. A first modification, which is not supported by the source application, is then performed to the target object. A second modification is also performed to the source object in the source application. Based on the modifications, the target object in the target application is revised to reflect the second modification to the source object without removing the first modification to the target object.
摘要:
The present invention provides a method of substituting a carbonyl compound with fluorine at the &agr;-position, comprising reaching the carbonyl compound with a fluorinating present of a metal-containing catalyst. The reaction results in replacement of a hydrogen atom by fluorine. The catalyst, which is used in a catalytically effective amount, is preferably a transition metal. In one class of methods the catalyst is a transition metal compound. In another class of methods, the catalyst is an elemental metal, in which case the carbonyl compound has an activating group attached to the carbon atom which is substituted by fluorine.