Apparatus for analyzing carbon products
    51.
    发明授权
    Apparatus for analyzing carbon products 失效
    用于分析碳产品的装置

    公开(公告)号:US5366901A

    公开(公告)日:1994-11-22

    申请号:US24315

    申请日:1993-03-01

    摘要: An apparatus for the analysis of carbon products enables air reactivity, CO.sub.2 reactivity, soot index and coefficient of thermal expansion of the carbon products to be determined in one analysis operation. The apparatus includes vertical and/or horizontal tube furnaces, each of which is provided with devices for weighing, temperature registration and/or registration dilation. Introduction of gas takes place via one end of each of the tube furnaces. Each of the furnaces is connected to a joint processing unit which checks the various instruments and registers the various instruments and registers and processes the analytical data.

    摘要翻译: 用于分析碳产品的装置能够在一个分析操作中确定碳产物的空气反应性,CO 2反应性,烟灰指数和热膨胀系数。 该设备包括垂直和/或水平管式炉,其中每个都具有用于称重,温度对准和/或配准扩张的装置。 气体的引入通过每个管式炉的一端进行。 每个炉子连接到联合处理单元,该单元检查各种仪器并登记各种仪器,并对分析数据进行注册和处理。

    Method for the manufacture of a fluorescent chemical sensor for
determining the concentration of gases, vapors or dissolved gases in a
sample
    52.
    发明授权
    Method for the manufacture of a fluorescent chemical sensor for determining the concentration of gases, vapors or dissolved gases in a sample 失效
    用于制造荧光化学传感器的方法,用于确定样品中气体,蒸汽或溶解气体的浓度

    公开(公告)号:US5237631A

    公开(公告)日:1993-08-17

    申请号:US861130

    申请日:1992-03-31

    IPC分类号: G01N21/64 G01N21/77

    摘要: A method for the manufacture of an improved sensor element for determining the amount of oxygen in a sample, comprises the steps of: (a) mixing a fluorescent reagent with a silicone oil which has a molecular weight of 6,700 to 80,000 and most preferably in the range of between 15,000 and 30,000; (b) heating the mixture at a temperature in the range of between 150.degree. to 350.degree. C. and (c) adding an optical insulating material forming an optical insulating layer onto the fluorescent reagent. Optionally, a crosslinking agent is incorporated. In order to increase the efficiency of fluorescence, an additionally layer of light scattering material is inserted between the fluorescent reagent layer and that of the insulator.

    摘要翻译: 一种用于制造用于确定样品中的氧量的改进的传感器元件的方法,包括以下步骤:(a)将荧光试剂与分子量为6,700至80,000的硅油混合,最优选在 范围在15,000到30,000之间; (b)在150〜350℃的温度范围内加热混合物,(c)在荧光试剂上添加形成光学绝缘层的光学绝缘材料。 任选地,引入交联剂。 为了提高荧光效率,在荧光试剂层和绝缘体的荧光试剂层之间插入另外的光散射材料层。

    Blood gas monitoring sensors
    54.
    发明授权
    Blood gas monitoring sensors 失效
    血气监测传感器

    公开(公告)号:US5047208A

    公开(公告)日:1991-09-10

    申请号:US314615

    申请日:1989-02-23

    摘要: Colorimetric, fiber optic sensors for measuring pH, PCO.sub.2 and/or other chemical parameters of the blood. The sensors are fabricated using a single optical fiber, which is provided with a chamber at its distal end containing a pH sensitive dye. Located distal to the chamber is a white reflective surface located within 0.04" from the end of the optical fiber, which enhances the performance of the sensor.

    摘要翻译: 用于测量血液pH,PCO2和/或其他化学参数的比色光纤传感器。 传感器使用单个光纤制造,该光纤在其远端设置有包含pH敏感染料的腔室。 位于腔室的远侧是位于光纤末端0.04“内的白色反射表面,这增强了传感器的性能。

    Method for analyzing fluorine containing gases
    55.
    发明授权
    Method for analyzing fluorine containing gases 失效
    含氟气体分析方法

    公开(公告)号:US5017499A

    公开(公告)日:1991-05-21

    申请号:US330898

    申请日:1989-03-31

    摘要: The concentration of molecular fluorine in a mixed gas such as an excimer laser gas can be determined easily, quickly and accurately by passing the mixed gas through a column packed with an alakli metal or alkaline earth metal compound which has no halogen atom and reacts with fluorine to form a solid fluoride together with molecular oxygen and/or carbon dioxide and measuring the concentration of oxygen or carbon dioxide in the fluorine-free gas flowed out of the packed column. If the mixed gas initially contains molecular oxygen or carbon dioxide, its concentration is measured separately after fixing fluorine in another column packed with an element which forms a fluoride. This analyzing method can be used in a feedback control system for controlling the concentration of fluorine in an excimer laser gas during operation of the laser to thereby stabilize the laser output power.

    摘要翻译: 混合气体如准分子激光气体中的分子氟的浓度可以通过使混合气体通过填充有不含卤素原子并与氟反应的碱金属或碱土金属化合物的柱而容易,准确地测定 与分子氧和/或二氧化碳一起形成固体氟化物,并测量从填充塔流出的无氟气体中的氧气或二氧化碳的浓度。 如果混合气体最初含有分子氧或二氧化碳,则在将氟固定在填充有形成氟化物的元素的另一柱中后,分别测量其浓度。 该分析方法可以用于反馈控制系统,用于在激光器的操作期间控制准分子激光气体中的氟浓度,从而稳定激光输出功率。

    Extravascular circulation of oxygenated synthetic nutrients to treat
tissue hypoxic and ischemic disorders
    57.
    发明授权
    Extravascular circulation of oxygenated synthetic nutrients to treat tissue hypoxic and ischemic disorders 失效
    含氧合成营养素的血管外循环治疗组织缺氧和缺血性疾病

    公开(公告)号:US4830849A

    公开(公告)日:1989-05-16

    申请号:US183536

    申请日:1988-04-14

    IPC分类号: A61K9/00 A61K31/02 A61M3/02

    摘要: A novel system and method for treating ischemic neurologic tissue is disclosed wherein an oxygenated nutrient emulsion is circulated through at least a portion of the cerebospinal pathway. The nutrient emulsion contains an oxygenatable non-aqueous component, an aqueous nutrient component, an emulsification component, and other components which render physiologic acceptability of the nutrient emulsion. Methods for producing the nutrient emulsion and a system for delivering that emulsion to the crebrospinal pathway are also disclosed. Additionally, novel diagnostic methods for diagnosing the physiologic state of hypoxic-ischemic and other diseased neurologic tissue during treatment are provided.

    摘要翻译: 公开了一种用于治疗缺血性神经组织的新型系统和方法,其中氧合营养乳液循环通过脑脊髓途径的至少一部分。 营养乳液含有含氧的非水组分,含水营养组分,乳化组分和其它赋予营养乳液的生理学可接受性的组分。 还公开了用于生产营养乳液的方法和用于将该乳液递送至脑脊液途径的系统。 另外,提供了用于诊断治疗期间缺氧缺血性和其他患病神经组织的生理状态的新型诊断方法。

    Fluorescent fluid determination method and apparatus
    58.
    发明授权
    Fluorescent fluid determination method and apparatus 失效
    荧光液测定方法及装置

    公开(公告)号:US4548907A

    公开(公告)日:1985-10-22

    申请号:US531957

    申请日:1983-09-14

    IPC分类号: G01N21/64 G01N21/80

    摘要: A fluorescence-based optical sensor includes a membrane immobilized fluorophor secured to one end of a bifurcated fiber optic channel for exposure to the sample to be analyzed. The fiber optic channel also has an input end coupled to a radiation source arranged to supply radiation at two different wavelengths and an output end coupled to a bandwidth limited photosensor. The radiation source alternately excites the fluorophor at a first wavelength that excites an acid form of the fluorophor and at a second wavelength that excites a base form of the fluorophor, and a ratio of the resulting fluorescence intensities is taken as a measure of a characteristic of the sample being analyzed.

    摘要翻译: 基于荧光的光学传感器包括固定在分叉光纤通道的一端的膜固定的荧光体,用于暴露于要分析的样品。 光纤通道还具有耦合到辐射源的输入端,辐射源被布置成提供两个不同波长的辐射,以及耦合到带宽受限光传感器的输出端。 辐射源交替地激发荧光体,其以激发酸形式的荧光体的第一波长和激发基底形式的荧光体的第二波长激发荧光强度,并且将所得到的荧光强度的比值作为 正在分析样品。

    Method and arrangement for measuring the concentration of gases
    59.
    再颁专利
    Method and arrangement for measuring the concentration of gases 失效
    用于测量气体浓度的方法和装置

    公开(公告)号:USRE31879E

    公开(公告)日:1985-05-07

    申请号:US403121

    申请日:1982-07-29

    IPC分类号: G01N33/49 G01N21/64 G01N21/78

    摘要: A method and an arrangement for measuring the concentration of gases in a sample includes the generation of a monochromatic light beam having predetermined color characteristic. An indicator generates light signals indicative of the concentration of the gases in a sample to be measured and includes a light-transmissive surface positioned to be impinged by the monochromatic light beam, a diffusion membrane adapted to be placed in the proximity of a sample and being permeable to a selected gas component thereof, and an indicating substance positioned to be impinged by the monochromatic light beam penetrating the light-transmissive surface and by the gas component penetrating the diffusion membrane. The indicating substance reacts when illuminated by the incident monochromatic light by emitting a resultant light beam having an emitted component which has a color characteristic different from the predetermined color characteristic of the monochromatic light beam. The resultant light beam is conducted away from the indicating substance through the light-transmissive surface. Finally, the emitted component is discriminated from the resultant light beam so that the change in the color characteristic of the indicating substance can be measured and correlated with the concentration of gases in the sample.