摘要:
A glass crucible (30) for containing a material from which a silicon crystal melt is produced, wherein the inside surface area of the crucible is increased to react with the silicon melt (31) to increase the oxygen content thereof. The inside surface area may be increased by incorporating inwardly directed silica ribs (40) or concentric, hollow silica cylinders (32) as well as forming corrugations (45) or undulations on the inside surface thereof.
摘要:
In Czochralski crystal growing operations, particularly those involving growth of silicon crystals, projecting formations of silicon monoxide, which sometimes form on the surface of the melt-containing crucible just above the surface of the melt, are avoided by perturbing the formation conditions at the region of probable formation. Such perturbations may include increasing the temperature of the crucible at the region of probable formation. The increase in temperature may be provided by including an aperture in the housing which surrounds and supports the crucible to enable locally greater radiative heating of the crucible in the region of probable formation. Other expedients for locally increasing the temperature of the crucible include, without limitation, selective frosting and other techniques for locally changing the emissivity characteristics of the crucible and/or the surrounding material.
摘要:
The present invention relates to the field of organ transplantation. More specifically, the present invention provides methods for predicting organ function after transplantation. In certain embodiments, the method comprises measuring mitochondrial membrane potential from a biopsy sample from the donor organ. The present invention is also applicable to organ dysfunction in general. More specifically, the methods of the present invention may be useful in formulating prognoses for patients with acute or chronic organ dysfunction due to ischemia, infection, drug injury or age. In this rapid procedure, only small samples of tissue are required, enabling the clinical application of mitochondrial function previously thought impractical.
摘要:
Systems and methods for automatically accessing Internet information and local applications from another local application on a handheld Internet appliance is provided. The systems and methods of the present invention consist of a software solution that enables users of handheld Internet appliances to interact with the Internet and other local applications from any local application in the handheld Internet appliance. Each local application is equipped with a user interface to enable users quick and easy access to Internet information and other local applications.
摘要:
Systems, methods and computer program products enable the remote monitoring of the combustion dynamics of turbines. Remote monitoring permits a single user to continuously monitor the operating health of a fleet of turbines simultaneously from a single location. The user is presented with one or more graphical user interfaces that graphically display combustion dynamics data to enable the user to visually and quickly determine whether the turbine is operating within prescribed limits. The system permits the user to determine whether each turbine is operating to its maximum efficiency.
摘要:
A tube support device is presented. The present invention includes at least two first plates and at least two second plates each having a plurality of slots mutually arranged and aligned so as to allow four or more plates to interlock and form a grid of depth-wise planar extent thereby providing at least one square-shaped opening. Each first plate and each second plate have a plurality of u-shaped nodules. At least one u-shaped nodule along each first plate and along each second plate extends into each square-shaped opening. U-shaped nodules are disposed parallel to and contacting a tube passing through each square-shaped opening. The grid is surrounded by a fluid with a flow field parallel to each tube and may include a secondary flow field crosswise disposed with respect to each tube. In yet another embodiments, the present invention is positioned within a shell and tube heat exchanger so as to support a plurality of tubes passing there through.
摘要:
The present invention is adapted to sound an audible alarm if the operator of a motorcycle stops the engine with the shut off switch and leaves the ignition on. The alarm will sound once the oil pressure falls to 0 or below a predetermined level. The present invention is also useful for notifying the operator of a loss of oil pressure during operation, indicating either that the engine has stopped running, such as by stalling, or oil pressure has dropped below the minimum safe operating level due to a leak or mechanical defect. The invention is also useful during startup of a motorcycle to warn of a problem with the lubrication system. When the engine is started, the oil pressure audible alarm will sound until the engine oil pressure has exceeded the minimum pressure.
摘要:
A hat and scarf that is made from coordinating material. A band extends around the circumference of the bottom of the hat and secures it to one's head. A loop is secured to the top of the hat. Each end of the loop is stitched to the hat top, thereby creating a small opening between the hat and the loop. At the rear of the hat, a band is secured at both ends by means of a fastener. The fastener is preferably a button or snap, thereby allowing the band to be easily attached or detached from the hat. A strand of coordinating material extends along the rear of the hat. It is fitted through the loop at the hat top and is secured under the band, consequently leaving two ends of the strand dangling from the bottom of the hat. The scarf is made from a flexible material that drapes loosely over one's neck. It is made from the same material as the hat, thereby creating a matching set.