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Supplier: American Water Works Association (AWWA)
Description: Applying the velocity gradient concept to granular filter backwashing provides the engineer a valuable tool for analyzing shear forces in the filter bed and their effect on the cleaning process.Show More
Standards and Technical Documents - Linear And Non-Linear Effects Of Gradient Artifact Filtering Methods In Simultaneous Eeg-Fmri - Biom
Description: the scanner, in MR static and dynamic conditions. The study highlights how residual artifacts after correction and artifacts induced by correction itself could still considerably affect EEG signals. The results suggest that the quality of both these gradient artifact filtering methods is not yetShow More
Supplier: ASTM International
Description: in the long run after the formation of a soil filter cake in the soil-geotextile system. The initial unstable period does not indicate true clogging behaviour of the system. In view of this, it is recommended that a long-term stabilized gradient ratio be determined instead of the 24-h gradient ratio.Show More
Water Filters - Absolute and High Efficiency Rated Melt-Blown Depth Cartridges -- MicroVantage® PDA SeriesSupplier: Shelco Filters - Division of Tinny Corp.
Description: PDA Series - 99.9% retentiAon ratings from 0.5 to 70 microns PDH Series - 90% retention ratings from 0.5 to 75 microns 100% melt blown polypropylene microfibers are thermally bonded into a multi-layer gradient density pore structure for maximum dirt holding capacity Fixed-pore structure blown
- Trigger: Filter Element / Cartridge
- Filtration Grade (Micron Rating): 0.5000 to 75 µm
- Maximum Liquid Flow: 240 GPH
- Assembly / Element Type: Cartridge
Supplier: Himmelstein, S. and Company
Description: a conventional wheel. Excellent temperature compensation and a unique sensor design provides intrinsic immunity to temperature gradients and radial and cornering loads. These torque wheels are constructed of corrosion resistant materials and waterproofed to permit operation in shallow water. They also exhibit
- Accuracy: 0.1500 ±% Full Scale
- Temperature Compensation: Yes
- Torque Sensor Type: Rotary
- Category of Device: Sensor / Transducer
Bridge Conditioners - Carrier Amplifier-Oscillator/Demodulator for DVRTs® Inductive, Capacitive and Resistive Bridge Circuits -- DEMOD-DC®Supplier: LORD MicroStrain Sensing Systems
Description: . The DEMOD-DC® provides internal power regulation and reverse polarity protection, and will operate with a wide range of input voltages. Operating from a DC power supply, the DEMOD-DC® Miniature In-line Signal Conditioner filters incoming transients from the power supply, and supplies a sine wave
- DC Voltage Input: Yes
- LVDT / RVDT Input: Yes
- Voltage Output: Yes
- User Interface: None
Supplier: MSK Products
Description: Description The BBF2800S series of DC-DC converters provides the ruggedness, reliability and features required to meet the advanced design challenges of today's hi-rel market. This has been accomplished using a package having very low thermal gradients, excellent hermeticity and high voltage
- Display: None
- Applications: Military, Other
- Output Power: 0.0268 HP
- Number of Outputs: 1
Supplier: Visual Sound, Inc.
Description: Nady Systems, Inc. - Pro Audio Microphone with unique 2-layer ballscreen pop filter, pressure gradient back electret condenser and transformerless FET circuitry, wide frequency response with specially tailored mid-high presence. Unique 2-layer ballscreen pop filter, pressure gradient backShow More
Description: The magnetic collection of fine particles requires a high intensity, high gradient magnetic field. An electromagnetic matrix type separator, referred to as a magnetic filter, has proven to be the most effective method of separation.
- Application / Industry Use: Drinking Water, Ore / Mineral, Other
Supplier: Lydall Filtration/Separation, Inc.
Description: Engineered to provide superior processing on your existing pleating equipment, LydAir® SC is a 100% synthetic composite media which is highly uniform and durable, resulting in improved production efficiency and filter quality. Its patented gradient density construction and low resistance
- Construction: Filter Mat
- Pleated: Yes
- Ply: 1-ply
- Media Type: Fiberglass, Other
Supplier: Lydall Filtration/Separation, Inc.
Description: LyPore® SC is a highly uniform synthetic composite platform for liquid filtration. The gradient density design provides low resistance and extended filter life for high through put applications. Engineered for superior processing on pleating equipment, LyPore® SC delivers high production
- Trigger: Bulk Filter Media
- Filtration Grade (Micron Rating): 15 µm
- Filter Medium Material: Synthetic Fiber
- Industry Use: Biopharmaceutical, Food and Beverage, Other
Supplier: Pentair Industrial
Description: 100% pure polypropylene construction provides superior chemical resistance and is not prone to bacterial attack. Versaflex Series Gradient Density Cartridges are sized for use in Big Blue® filter housings and will not impart taste, odor or color to the liquid being filtered.
- Filtration Product: Oil
- Industry Use: Biopharmaceutical, Food and Beverage, Medical, Municipal Water Supply, Other
- Filter Medium Material: Polypropylene (PP)
- Features: FDA Compliant
Description: Powerful magnetic HI-Filters remove fine ferrous and paramagnetic contaminants from flowing liquids. Magnetic collection of fine particles requires a high intensity, high gradient magnetic field. An electromagnetic matrix type separator, referred to as a magnetic filter, has proven to be the mostShow More
Supplier: Purolator Liquid Process
Description: a matrix of declining diameter fibers. This multi-zone design produces a gradient pore structure, which thoroughly captures larger particles in the upstream layers of the filter while efficiently capturing smaller particles in the inner layers. Purolator has optimized each PUROCEPT filter gradeShow More
Supplier: Aalborg Instruments
Description: Vortices are created when a fluid passes around a bluff body as shown below. Vortices are alternately shed on each side of the body, 180 degrees out of phase to each other, resulting in an oscillating pressure gradient. As flow increases the frequency of vortices increases in proportion
- Pipe Diameter: 2 inch
- Mounting Type: In-line
- End Fittings: Flanged, Threaded, Other
- Process Media Type: Gas, Liquid, Steam
Supplier: Alcoa North American Rolled Products
Description: gradients are stabilized since heat is removed from both plate surfaces at a balanced rate. The employment of a SNIF filtering and degassing system ensures an end product free of voids and impurities.
- Nonferrous Metals: Non-ferrous - Any Type, Aluminum / Aluminum Alloy (UNS A)
- Shape / Form: Semi-finished Shape / Mill Stock, Plate
- Performance Features: Light Alloy
Supplier: TMP Pro Distribution
Description: application is enhanced by the Bluebird's crystal-clear sound. In addition to the microphone itself, the Bluebird includes a specially designed shockmount and metal mesh pop filter. No matter your sound, the complete Bluebird package offers today's musician an astounding recording experience—
- Directivity: Cardioid
Supplier: TMP Pro Distribution
Description: : Pressure gradient condenser microphone Diaphragm: 6 micron gold-sputtered Frequency Response: 20 Hz - 20 kHz Polar Pattern: Cardioid Sampling Rate: 44.1kHz, 48kHz Bit Depth: 16bit, 24bit Output: 1/8" headphone jack, USB audio High Pass Filter: 120Hz, 235Hz, 465Hz (software controlled) PowerShow More
Supplier: Visual Sound, Inc.
Description: compact and lightweight design, the C 568B is ideal for camera-mount applications. The C 568 B is an electret condenser design which operates on both pressure gradient and interference tube principles to deliver excellent reponse and superb pattern control. Below 500 Hz, it functions
- Directivity: Directional, Hypercardioid
Supplier: Isotech North America
Description: its full specification under a wide range of real operating conditions. For example, you can add cable probe extensions and extra terminal junctions without concern for thermal emfs generated by the temperature gradients in your laboratory. Design features such as the unique input guard ensure
- Sensed Temperature Range: 50 to 185 F
- Input Options: RTD Inputs
- # of Inputs / Channels: 2 #
- Local Interface: Analog Front Panel
Supplier: Bio-Rad Laboratories, Inc.
Description: 100/120 V, gel dryer, includes porous gel support, sealing gasket, filter paper backing, cellophane membrane backing, sequencing gel filter paper The Model 583 gel dryer has a 35 x 45 cm drying surface, which is large enough to fit up to 16 mini gels, 9 Criterion™ gels, 2 large format gelsShow More
Supplier: Servoflo Corporation
Description: The PMF2000 Series of mass airflow sensors incorporate the latest MEMS and microelectronics innovations. The sensor die uses a pair of thermopiles to detect changes in temperature gradient caused by mass flow, delivering ultra-low noise-to-signal, and unsurpassed repeatability. The "solid-state
- Mounting: Fixtured or Permanent
- Air Volumetric Flow: Yes
- Technology Type: Thermal Anemometer
- Air Volume Flow Rate Range: 3.53E-4 to 0.0706 SCFM
Description: (2.1m), 120-inch (3m) and 39 inch (1000mm) for PFx diameter filter canisters.
- Equipment Type: Magnetic Separator
- Process / Operation: Other
- Application / Material Processed: Wet / Bridging Materials
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Himmelstein, S. and Company
Dual-Range Digital Torquemeters
torque peaks and riveline torsionals. Without high Overrange, clipped peaks produce large errors1. World class temperature performance greatly reduces drive heating and gradient errors and avoids Low Range accuracy degradation. Further enhancing real-world performance is very high stiffness and low deflection, exceptional hardening to EMI from Variable Frequency Drives, other industrial noise sources and ISM devices - see Bulletin 8700. Each range is calibrated CW and CCW and documented... (read more)
Browse Torque Sensors Datasheets for Himmelstein, S. and Company
Excelitas Technologies Corp.
DigiPile Detectors/Sensors/Array Modules
. Excelitas offers you a wide range of Thermopile Modules. The modules consist of a thermopile sensor mounted on a PCB with a connector. The PCB can also provide for optional features such as voltage regulation and a noise-reduction filter. Our ISO-thermal sensor concept delivers an important upgrade to the thermopile family; by utilizing the unique, patented construction of our ISO-thermal sensors, Excelitas is able to offer this range of devices with improved performance, delivering substantially... (read more)
Browse Thermopiles Datasheets for Excelitas Technologies Corp.
Conduct Research Top
and cross products. The divergence, curl, gradient, and Laplacian are also calculated in different coordinate systems. The Laplace Transform introduced in Chapter 1 is used in chapters on transient magnetics, thermal analysis, stress analysis, and electrical circuit modeling. Analytical
MICRO:Product Technology News (April '2000)
bernas source, and a special angular-energy filter, which deflects the beam by 15 and can keep chemical contamination below metrology detection levels. An 80% aqueous ash-residue remover cleans a wide variety of metal-organic residues from substrates, including copper and low-k dielectrics. REZI-38
Using microtechnology to get to nanotechnology
atomic-force microscope (graph) shows dimensions along a line over a sample of highly oriented pryolytic graphite, a pure, very smooth form of carbon. The two arrows indicate a mono-atomic step. An AFM with a conductive tip took this image, which has been processed through a low-pass filter
MICRO:May 98:Product Technology News
and 5000/500 systems specified at 70 nm. The Omega2000 cleaner/rinser/dryer produces particle-neutral hydrophobic or hydrophilic wafers @ 0.16 um using motionless surface tension gradient technology. The system's CleanPoint filter removes particles >=0.065 um from DI water. Mean time between failures
More Information Top
Extended Gradient RSSI Predictor and Filter for Signal Prediction and Filtering in Communication Holes
Therefore, an existing gradient filter is modified based on the most recent mea- surements received.
Computational Intelligence Paradigms in Advanced Pattern Classification
64 5 Condition for Gradient Filter .....................................................................
Extended Gradient Predictor and Filter for smoothing RSSI
In order to minimize the effect communication, an existing Gradient filter is modified based on most recent RSSI measurement received.
Subspace Expansion and the Equivalence of Conjugate Direction and Multistage Wiener Filters
If the conjugate direction filter is a conjugate gradient filter , then the equivalent stagewise filter is an orthogonal multi- stage filter, and vice-versa.
Frequency analysis of gradient estimators in volume rendering
A new method is presentedto calculate the gradient at arbitrary sample positions, using the derivative of the interpolationfilter as the basis for the new gradient filter .
11.2.1 Gradient filters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Digital image processing
The image 6.4 shows the application of the gradient filters of Gl.6.6 and Gl.6.7 to a synthetic test image.
4 Histogram of Oriented Gradients filter .
Toward High-Quality Gradient Estimation on Regular Lattices
The gradient filters presented in Table 1 are defined in the spatial domain and have compact support.
Bias-minimizing filters for gradient-based motion estimation
Rather than study the errors introduced by such gradient filters , many researchers treat these errors as random in nature and attempt to design robust estimation methods to minimize the effects of such errors.
Steady-state analysis of a plain gradient algorithm for a second-order adaptive IIR notch filter with constrained poles and zeros
First, theoretical expressions for output signals of the notch filter and its corresponding gradient filter at their steady states are developed based on the Taylor series expansions of transfer functions of these two filters in the vicinity of the sinusoidal signal frequency.
Algebraic equivalence of matrix conjugate direction and matrix multistage filters for estimating random vectors
If the matrix conjugate direction filter is a matrix conjugate gradient filter , then the equivalent stagewise filter is a matrix orthogonal multistage filter, and vice-versa.