helical

helical gears can be also be used to connect nonparallel, non-intersecting shafts at any angle to one another.

The Flowserve GR series, double-helical, herringbone type gear pumps have long been a workhorse of the general industry.

Other helices can be formed by bringing together two or more individual helical strands.

The Gorlov Helical Turbine, as it is known, allows you to use any stream, whatever the direction of its flow.

Helical structures retain a unique place in life since biological recognition is encoded within helical DNA molecules.

In these cases it is often good design practice to go to the spiral bevel gear, which is the bevel counterpart of the helical gear.

They were all treated with straight wire appliance and helical spring to expand clearance.

The CD spectra showed that the addition of glycerol to the collagen did not damage the native triple helical structure of collagen.

Helical rotor is usually machined by shaped tools or equipped gears in common milling machine.

The azimuthal phase term of the LG modes results in helical wave fronts. The phase variation along a closed path around the beam center is .

where the critical load of a helical rod depends on the height and pitch angle of the helix.

The component comprises the medium holding rod, the helical line, a pipe shell, a first diamond film and a second diamond film.

The 3D paths of tracer fibers within the yarn confirm the helical nature of fiber migration.

The worm and worm gear of a set have the same hand of helix as for crossed helical gears, but the helix angles are usually quite different.

Helical - corrugated pipe can deliver more sediment with a given power input than either standard corrugated or plain pipe .

Using FEM to simulate the stress-strain status and the deformation process, mesh movement law of the plastic helical gear is obtained.

They also view animal love as a textbook case of biology and culture operating in helical collusion.

Analyses about mechanic and thermal stabilities show that helical structures are more favorable than crystalline configurations.

The invention discloses a powder metallurgy eccentric helical gear and a preparation method thereof.

Objective To evaluate the double-row helical CT angiography (CTA) imaging techniques in cerebral vessels and its clinical applications.

This paper analyzed the movement theory of lean rotate Vibration of helical surface and the motion law of materials movement.

Helical antenna satisfies the demand for the stubby antenna miniaturization. It has a rapid development in recent years.

The swirl ratio and flow coefficient can be obtained through the traditional steady flow test in diesel helical intake port.

On this basis, using advantage modeling software and analysis repairing involute helical gear and methods of amount modification.

Results: Except for purchased CT cost, other indexes of multi -slice CT are obviously better than that of high grade helical CT.

The handedness of the helical wave fronts of the LG modes is linked to the sign of the index land can be chosen by convention.

Three-dimensional numerical simulation method is used in the design of a diesel engines helical intake port for the practical product.

Railway applications - Suspension components - Helical suspension springs, steel.

According to the bending deformation and torsional deformation along the axis, obtained parameters of the helical gears modification.

Milling operations are employed in producing flat, contoured and helical surfaces as well as for thread-cutting and gear-cutting operations.

The protein, depicted as helical ribbons (blue) consists of a central pore surrounded by four voltage sensors.

However, a disadvantage of worm gearing is the high sliding velocities across the teeth, the same as with crossed helical gears.

The design method for hobs used to machine helical lobe compressor rotors with sharp point profile is put forward.

The existence conditions of helical equilibrium are discussed as a special configuration of the rod.

Milling operations are employed in producing flat, contoured and helical surfaces as well as for thread- and gear-cutting operation.

The utility model relates to an improved composite helical blade, belonging to the technical field of parts of rotary helical conveyor.

At present, helical gears in the die-cutting on the widely used, but the pressure angle size can affect the stability of its transmission.

These open pitched helical mechanical components could be cylindrical, conical, tapered, concave or convex is shape.

The structure and working principle of ALDEC506 horizontal helical centrifuge and its application in sludge dewatering are introduced.

The papers of the two helical gears reducer for multi-objective parameters, structural optimization and design.

In truth, Dr Watson, co-discoverer of the double-helical structure of DNA back in the 1950s, had a point.

Adopting helical flow displacement theory can overcome the disadvantage and greatly improve the displacement efficiency.

in sum , in the case of laminar flow , the outside helical flow would have a little influence on mf of purity water.

Plastics hoses - Helical-thermoplastic-reinforced thermoplastics hoses for suction and discharghe of aqueous materials - Specification.

Catalytic chemical vapor deposition synthesis of helical carbon nanotubes and triple helices carbon nanostructure.

This article describes an effective method to set up the three-dimensional model for spur gear, helical gear by CAXA.

The geometric characteristics'measurement of the spiral surface has been identified by analyzing the formation of the helical screw surface.

A helical antenna is a specialized antenna that emits and responds to electromagnetic fields with rotating (circular)polarization.

Influences of the electron-beam velocity spread, the period and depth of the helical corrugations on the efficiency are studied.

Purpose: To evaluate the diagnostic accuracy of the helical CT cholangiography and MRCP in patient with choledochal cyst.

The rapidly quenched copper alloys containing high density vacancies produced helical dislocations during aging.

A simplified linear analysis of the helical instability of arc plasmas is given. Explicit analytic results are obtained.

The characteristics of transmission helical gear injection molding processing and mold design were mainly introduced.

A dynamic helical mixer and a mixing head apparatus using that mixer are disclosed.

In a globular protein , certain portions of the chain are coiled into helical segments .

Aerospace series. Inserts, screw thread, helical coil, self-locking. Technical specification.

Evans says the stratum corneum is made up of helical fibers of keratin that are woven together in a three-dimensional pattern.

Conclusion The commissioning and QA of helical tomotherapy system reflect differences from conventional LINAC.

W is attached to a bar, movable vertically around an axis A and suspended by the helical spring F.

The working principle and designing methods of the indirect heating helical type coal burner were presented in this paper.

They are stabilized in a helical shape that stays active longer in the body.

Direct drive to the rolls with heavy-duty helical bevel gears where the output shaft is directly coupled to the roll shaft.

Established string sinusoidal buckling of helical buckling CFD models and high-yield wells sand production erosion tubing model.

A helical gear pressed in No. 3 counterweight drives twin contra-rotating balance shafts in the shaft housing within the lower crankcase .

Through natural characteristics analysis, typical vibration modes of single-stage helical and spur PGT are discovered.

Aerospace series. Installation holes for inserts, screw thread, helical coil, self-locking. Design standard.

Discusses spring design including helical compression, extension and torsion springs.

About six months before , he proposed the alpha helical structure for proteins .

The property of bending elasticity deformation for prestressed cylindrical helical spring was studied.

Objective To evaluate multi-slice helical CT postprocessing technique in displaying scapular fracture.

This series machine is suitable for batch or single manufacturing column straight pinions, slope pinions, helical gear and worm gear.

Objective: To discuss the character and value of CT perfusion imaging in primary hepatocellular carcinoma with multislice helical CT.

So this article research on the involute helical gear modification method and modification of the amount.

The utility model relates to a pull wire annular tube formed by helical coiling of double steel bars.

TI worm drive is a novel kind of hourglass worm, which consists of involute helical gear and enveloping hourglass worm.

When the tubing string is milled, the helical weld form provides enhanced characteristics of the tube at the weld site.

Aerospace series. Inserts, screw thread, helical coil, self-locking. Assembly procedure.

The sheet of metal is moved in a helical trajectory such that the second bend comes into proximity above the first bend.

The present invention provides a tube-bending device of energy-saving lamp tube helical tube-bending machine.

Objective To explore the bowel and ordinary helical tube in critical patients in clinical application and nursing effect.

Objective To explore the diagnostic value of helical CT multistage scanning in superior mesenteric vein (SMV) infarction.

Objective To retrospectively explore the clinical value of multi-slice helical CT(MSCT) in the diagnosis of acute intestinal ischemia.

Set screws are stressed in compression and in action they create a helical wedge between the connected parts.

Chemical control of iron transport, oxide deposition and pressure loss in helical once-through steam generators.

At present, people process helical surfaces roughly using finger milling cutter. it is low productivity, high tool consumption and costly.

The helical structure can be correlate with the rotatory direction and the value of optical rotation.

Objective: To evaluate the accuracy of helical CT pneumocolon in diagnosing and staging colonic carcinomas.

The first and second bends additionally cooperate to form a helical roller track on the outside of the tank.

Various helical rich protein structure models will be used to reveal the properties of protein helices .

The SARS viral nucleocapsid is tubular with a helical symmetry.

The vertical helical structure, which gives the device its name, provides a stability that previous designs lacked.

Furthermore, the pressure drop in helical baffles heat exchangers gets down with the increase of helical angle.

The paces walk one very heavy, helical circle that rises, gets back to the original place from a new height.

DNA is composed of two polynucleotide chains associated so as to form a double helical molecule.

This gradual engagement makes helical gears operate much more smoothly and quietly than spur gears.

The paper reports a new kind of feeding method using intermeshing helical roll for cold feeding rubber extruders.

Ion cyclotron range of frequencies heating and high-energy particle production in the large helical device.

The helical cover is connected with the screws on the body or the block buttons.

Two radiologists blinded to patients' identity and each other's results measured liver and tumor volumes with helical computed tomography.

The problem of false-positive results in helical CT scanning is limited and can be rationally managed.

Fluid-like motions of the multi-vortex beam are observed owing to the helical phase structure.

The immunoreactivities of phosphorylated neurofilament and paired helical filament in CSF of Alzheimers disease .

Objective TO evaluate the value of helical CT and pulmonary artery angiography in the diagnosis and treatment of pulmonary embolism.

The reason for this, in the case of helical gears, is that the teeth are not parallel to the axis of rotation.

flying downward in a helical path with a large radius.

When the worm crisscross Angle, still need to ensure that's too, and worm gear and worm helical screw to must be identical.

Parallel gear includes spur gears, Parallel helical gears, Herringbone gears and Rack and pinion.

Radial tooth overrunning clutch provides overspeed protection and helical indexing to prevent abutment .

This series machine is suitable for batchsingle manufacturing column straight pinions, slope pinions, helical gear worm gear.

Cross-coupled first and second helical inductors formed in an IC.

Standard Specification for Steel Springs, Helical, Heat-Treated.

The processing of gear hob used the meshing straight teeth and helical cylindrical gears of cutting tools.

RNA molecules are single-stranded copies of the double-helical DNA genes in the cell nucleus.

Objective To analyze the detection of lymph node in normal human and patients with gastric cancer by helical CT.

The dominated failure modes for the 2D-CLS cylinders were delamination and fracture of the helical ribs.

Calculation of load capacity of spur and helical gears - Part 1 : basic principles, introduction and general influence factors.

This paper makes an analysis to the stable response of helical spring mass system under impact load.

Objective To evaluate the role of helical CT multi-phase scan in the diagnosis of small renal cell carcinoma(RCC).

Conclusions Helical CT scan is of great value to the diagno. . .

Alpha helices in biological materials, and design of alpha-helical structures.

Purpose: To improve understanding the helical CT features of celiac abscesses.

abstract: Objective: To discuss the helical CT (HCT) features of special type kidney cysts.

Helical rotor is the most important part of rotor flow meter, and its section shape is normally formed by involute and cycloid.

The fiber with the axis perpendicular to the sliding direction has the helical crack morphology.

In the 4V head, airflow interaction of helical port and tangential port, swirl characteristic is smooth in the whole range of valve lift.

Objective: To evaluate the effect of multislice helical CT multi-phase scan on the diagnosis of small renal cell carcinoma (RCC).

The mixing head utilizes a hydraulic motor to transfer power to the dynamic helical mixer.

The approach movement is started at a helical path (semicircle).

A computer-aided selection of change gears is introduced when milling helical groove.

The helical theory regards right handed helix as D- rotatory and left handed helix as L- rotatory .

The mesh equation is derived based on the principle of the mesh characteristics between plastic helical gear and steel worm.

Cylindrical helical springs made from round wire and bar - Calculation and design - Part 2 : extension springs.

Firstly, this paper studied the effect of the molecular weight of N-propargylamide helical polymers on their optical activities.

As you have already noticed, the polypropylene tubing comes in a helical shape that is unusable for our needs.

a balance that measure weight by the tension on a helical spring.

feather, barb ridges grow straight without any helical movement.

A plurality of helical blades are arranged on the outer surface of the cylinder-shaped cyclone cover.

gearmotors using spur , helical , herringbone , straight bevel or spiral bevel gears.

Cylindrical helical springs made from round wire and bar - Calculation and design - Part 3 : torsion springs.

Helical circular mixture , fast and uniform stirring.

Objective To evaluation the value of diagnosis of trachea foreign body using multi-slice helical CT.

Objective To evaluate the clinical efficacy and the helical CT feature in the first-time treatment of infiltrative pulmonary tuberculosis.

The present work applied this method to design for helical-baffle heat exchanger and did some simple work.

By ANSYS parametric design language, parameter modeling and mapped meshing of large scale marine helical gears are carried out.

Purpose: To evaluate the role of helical CT in diagnosing and staging of duodenal neoplasm preoperatively.

It is the helical clearance area in API connections after making up that contributes to leaking.

AIM To evaluate several basic locations of helical CT three dimentional reconstruction in spine.

Calculation of load capacity of spur and helical gears - Part 3 : calculation of tooth bending strength.

Objective To explore the value of helical CT scan to the diagnosis of ureteral calculus.

Any linkage which contains a screw pair, for example, is a spatial mechanism, since the relative motion within a screw pair is helical.

Objective To evaluate the value of helical CT scan in the diagnosis of small renal cell carcinoma.

Calculation of load capacity of spur and helical gears - Part 5 : strength and quality of materials.

If a segment is composed of 30 spiral ring spiral cable or a complete helical line (if he is less than 30 rings consisting of spiral line).

Objective To evaluate the clinical value of helical CT in the occult fracture.

These applications, as in most machine elements, have developed into many standard forms , such as spur, bevel, helical , and worm gears .

Helical, Cine, Axial and Cluster Scans May be Prescibed Prospectively from ScoutView.

The dust absorption pore moves transversally by rotating the helical groove pipe.

A method of forming an article such as a helical gear and an apparatus for forming the article are provided.

Objective: To probe into application of helical nasointestinal tube for patients with carcinoma of gastric cardia and nursing care of them.

The rotor profile design is the core of twin-helical rotor design.

The pinion the in effect would become a helical gear.

To reduce the noise and stress in the gears, most of the gears in your car are helical.

The thermometer is the use of double-helical-shaped metal manufacturing.

Methods Helical CT examinations of upper abdomen were performed in 88 normal person and 106 patients with gastric cancer.

For example, the members of the genus Spiroplasma assume an elongated helical shape without the aid of a rigid structural cell envelope.

helical gear has become worked down over the years.

At last, the radiated field of axial-mode helical antenna and double ridged horn antenna is analyzed at this paper.

A new hair shaft defect, helical hair, is presented.

We also demonstrated that a DX molecule containing another small double helical region (called a DX J molecule) is very stiff.

A helical or spiral ridge on a screw, nut, or bolt.

Devices that use helical gears have bearings that can support this thrust load.

Summarizes the development status of steam trap, and presents the new helical tube steam trap.

Design Guide for Vehicle Spur and Helical Gears Revision of 170.

Because of the angle of the teeth on helical gears, they create a thrust load on the gear when they mesh.

A new helical micro-mixer was designed.

The helical fibers also straighten out, allowing the material to expand and increase the volume of water it can hold, says Evans.

The helical spring can no longer be used.

the axes of helical gear and synchronized cone is on the same line.

Spur gears and helical gears.

Helical-can video tape cassette system using 8 mm magnetic tape. 8 mm video. Part 1 : general specifications.

Every customer has difference in the type of drill bits, such as length, helical angle and others.

In addition, helical channels exist in the 3D cationic framework, with disordered 4, 4'-bipy molecules filling in the channels.

This paper discusses helical phenomenon of the nature and helical application on the craft.

The development trends and some problems related to helical carbon fibers are discussed briefly.

Axial ratio optimizations for two kinds of short helical antennas are carried out.

The helical structure, such as(7, 4) structure, has a good performance in plastic deformation.

The non-helical(5, 5) and(6, 6) nano wires show high yielding stress but low plasticity.

Compound 6 is a 1D double helical chain containing 20-membered rings (6).

abstract: Objective To study course of commissioning and enact quality assurance protocol of helical tomotherapy system.

Objective To study the diagnostic value and reasonable use for ureteral calculus with helical CT scanning.

The Method for Determining the Abrasion Value and Abrasion Life of Tooth Surfaces in a Helical Gearing by Means of the Abrasion Experiment

Experimental Study of Performance on Helical Channel MHD Thruster with a Strong Magnetic Field

Study of helical slow-wave structures with vane-loaded taking account of the radial thickness of the helix

First, the bending-torsion-shaft coupled vibration model of a pair of helical gears was created, and modal analysis was carried out;

To study the value of High Resolution CT of 16-slice helical CT in peripheral small lung cancer.

Study of relation between the helical CT signs of esophageal carcinoma and the rate of resection

Cutting Force Model for a Small-diameter Helical Ball-end Cutter in terms of NC Machining Process Features

the diamond is deposited on the surface of the medium holding rod and the helical line to form a diamond film;

A Study of Tracheal Invasion in Head and Neck Malignant Tumors with Multi-slice Helical CT and Its Post-processing Imaging Techniques

Helical instability of arcs with electrical conductivity of a parabolic current profile under electrostatic approximation

A preliminary study of the relationship between helical CT enhancement and tumor angiogenesis in gastric carcinoma

Experimental Study of Heat Transfer and Flow Resistance Characteristics for Shell-and-Tube Heat Exchangers with Continuous Helical Baffles

Helical compression springs made of round wire and rod; Quality requirements for hot formed compression springs

Research on heat transfer performance of the heat exchanger with different helical baffles

Preliminary Study of the Spatial Relationship between Renal Vessels and the Ureteropelvic Junction with Helical CT

Helical Springs Made of Round Wire; Quality Specifications for Cold Coiled Compression Springs

Study of the Imaging Characteristics of Biphasic Enhanced Helical CT in Advanced Gastric Carcinoma

High-frequency analysis on the initial electrical performance of a helical magnetic flux compression generator

Application of Fuzzy Pattern Recognition to the Monitoring of the Wear Condition of a Helical Cutter

The evaluation study of helical CT for hepatocellular carcinoma with microwave coagulation treatment

Helical Springs Made of Round Wire; Quality Specifications for Cold Coiled Tension Springs

Experimental Investigation on Pressure Distributions in the Annulus of an Outer-Helical-Flow Microfiltration Assembly

Study of imaging parameters of negative helical CT cholangiopancreatography

Processing Technology of the Helical Components of a Hydrofluoric Acid Pre-Reactor

Analytical solution and its proof of the stream function of the uniformly moving helical vortexes

Helical CT appearance of hypovascular small hepatocellular carcinoma with pathologic correlation

A clinical study of helical CT myelography and reformation on diagnosis and treatment of cervical spondylosis

Study of Helical CT Low-Contrast Resolution and Its Influencing Factors

Numerical Simulation on Electromagnetic Radiation of Helical Antenna Handset Used in Normal Manner

The Comparing Study of Radiology and Pathology with X-ray and Triphase Incremental Helical CT in Gastric Carcinoma

Design, Synthesis and Optical Properties of a New Type of Chiral Molecular Square with Double Helical Structure

Technical product documentation - Springs - Presentation of data for cylindrical helical compression springs

Dynamical Analysis and Parameterization Design of a Helical Vibration System

Discussion on Transposition Direction of Conductors in Double Helical Winding

The value of helical CT and its postprocessing technique in the diagnosis of congenital esophageal atresia and tracheoesophageal fistula

Fabrication, Characterization and Its Growth Mechanism of Helical Carbon Nanotubes

Pulmonary Tuberculosis Mimicking Lung Cancer: Correlation between Helical CT Features and Surgical-Pathological Findings

Experimental Study of Helical Baffled Heat Exchanger with Double Helical Structure

Dispersion equation of a helical slow wave structure filled with magnetized plasma

Optimization of the Exposure Parameters Used in Multislice Helical CT Scanning

Practical value of multi-phase helical CT in study of the massive hepatocellular carcinoma

Rotor Dynamic Characteristic Calculation of the Horizontal Helical-conveyer Centrifuge

Helical Compression Springs made of Flat Bar Steel; Calculation

Experimental Research on Intensified Heat Exchange in a Three-dimensional Internally Finned Helical Pipe

Cascaded helical magnetic flux compression generator with a battery as initial source

The application of the force transmission technology of helical flat tube on the air preheater of boiler

Numerical calculation of magnetic field distribution along axis of a helical current

Experimental Study of Dynamic Performance For Helical Spring with Variable Pitch

Measurements and Simulations on Dispersion and Interaction Impedance Characteristics of Helical Slow-Wave Structures with Vane-Loaded

Dynamic-enhanced Helical CT Characteristic of Hilar Cholangiocarcinoma with Pathologic Correlation

Study of Wideband Circular Polarized Spherical Helical Antennas

Differentiation Between Tuberculosis and Metastasis in Diffuse Pulmonary Miliary Nodules: Evaluation with Helical CT

Correlative Analysis Between Helical CT Virtual Endoscopy and Electronic Endoscopy of Gastrointestinal Lesions

The Establishment of the Involute Helical Gears Elastohydrodynamic Lubrication Model

The CT Appearance of Tumor Border of Primary Hepatocellular Carcinoma on Helical Dual-phases CT

Three dimensional reconstruction study of multi-slice helical CT imaging on optic canal area

Experimental Analysis of an Involute Cylindrical Worm Helical Gear Transmission

Evaluation of Treatment Response in Hepatocellular Carcinoma with Contrast-Enhanced Phase-Inversion Harmonic Imaging and Helical CT

Evaluation and analysis of magnetic field distribution along axis of a helical current

Helical Springs Made of Round Wire; Data for Tension Springs; Printed Form