FIELD: physics, measurement. ^ SUBSTANCE: invention relates to measuring technique and can be used for measuring the level of oil and water in the annular space of a deep-well pump bore hole. Measuring device is lowered into the bore hole using a rope and the tension and the running depth of the rope. After reaching the levels to be measured the device creates a dynamic jerking of the rope. After ...

A system and method is provided for sensing parameters within a wellbore. At least one sensor sub is coupled between stage components of an electric submersible pumping system. A plurality of sensor subs can be disposed between adjacent pairs of stage components to obtain sensor data along the electric submersible pump string. Each sensor sub contains a sensor element or elements designed to sense...

A hand-operated rivet setting tool for setting blind rivets in tight access spaces. The tool has a long and slender slim-line profile which allows a user installing a vehicle bumper to set blind rivets in the space between the tire and the vehicle's wheel well without removing the tire. The tool is also characterized by a simple single pivot lever actuating mechanism for the handles that avoids th...

A purse including an article storage assembly and at least two handles. Each of the at least two handles includes a first handle portion having a first end attached to the article storage assembly and a second end, and a second handle portion having a first end attached to the article storage assembly and a second end removeably attached to the second end of the first handle portion. The first and...

A writing instrument has a main body having front and rear ends and a writing tip at the front end, and a cap detachably attachable to a front portion of the main body to cover the writing tip and detachably attachable to a rear portion of the main body. A first opening is provided in the rear portion of the main body, and a second opening is provided in the cap. The first and second openings are ...

The apparatus and method for quickly measuring the hemoglobin content of a sample of blood uses a light reflectance measurement of the hemoglobin sample lysed in a membrane. The reflection is inversely proportional to hemoglobin concentration. A blood sample is loaded on to a nylon mesh and dispersed within a nylon membrane, both of which have been treated with a hemolyzing agent and surfactant, a...

The broadband brightfield/darkfield wafer inspection system provided receives broadband brightfield illumination information via a defect detector, which signals for initiation of darkfield illumination. The defect detector forms a two dimensional histogram of the defect data and a dual mode defect decision algorithm and post processor assess defects. Darkfield radiation is provided by two adjusta...

Methods and systems for inspecting a reticle are provided. In an embodiment, a system may include an inspection subsystem configured to form a first aerial image of the reticle. The first aerial image may be used to detect defects on the reticle. The system may also include a review subsystem coupled to the inspection subsystem. For example, the inspection and review subsystems may have common opt...

FIELD: medicine; medical equipment. ^ SUBSTANCE: biological tissue welding and welding management method consists at the first stage of applying high frequency voltage to the electrodes of the tissue welding device, monitoring impedance and measuring the minimum impedance value, measuring relative impedance as a ratio of the impedance to the minimum impedance, detecting the moment when the relativ...

FIELD: mechanics. ^ SUBSTANCE: said invention relates to device (1) for card receiving, which is a planar structure, which completely draws card (2) in via elongated intake opening (5), which can be closed with shutter (6) with locking element (7), locking element (7) moving in the direction normal to plane (4) of card (2) motion. Common devices of this type cannot be used in tachograph due to str...

A tool made of powdered metal, such as a modified T15 HSS in powdered form, and having a multi-lobular end profile for punching multi-lobular recesses into workpieces, such as into the heads of fasteners. The tool is homogenous and contains only carbides which are relatively small, such as in the 1-4 micron range. Also provided is a method of fabricating such a tool. The method requires that a pow...

The invention concerns a sintered metal part which has a densified surface and sintered density of at least 7.35 g/cm3 and a core structure distinguished by a pore structure obtained by single pressing to at least 7.35 g/cm3 and single sintering of a mixture of a coarse iron or iron-based powder and optional additives.

The invention concerns a method for producing products and coarse iron-based powder comprising a lubricant having a crystalline melting point below 25° C., a viscosity (η) at 40° C. above 15 mPas and wherein said viscosity is temperature dependent according to the following formula: 10 log η=k/T+C wherein the slope k is preferably above 800, T is temperature in Kelvin and C is a constant, in an am...

Equipment that enables people to carry substantial pack loads have the problems that the body is under load from the shoulders down and packs bearing against the body prevent evaporation of perspiration which generates discomfort and fatigue. An eccentric backpack load exacerbates these problems. The subject invention is a wearable harness that transfers pack loads directly to the person's hips, b...

A communication system for down hole use and comprising a drill collar ( 101 ) comprising a first portion ( 103 ) and a second portion ( 105 ) separated from each other by an electrically insulating material ( 67 ) and means ( 22, 63, 77, 81 ) for generating an electrical signal and for applying the electrical signal to the drill collar ( 101 ) such that the electrical signal is transmitted into a...

A server load sharing system having a plurality of server load balancers and a relay device. Each balancer includes a module selecting, any one of a plurality of load sharing target servers specified in their group on the basis of the virtual IP address and each allocated a unique IP address, and a module rewriting a virtual IP address of the received forwarding target packet addressed to the virt...