How To Use Helical In A Sentence

A common arrangement is the positioning of single leaves spirally up the stem, which can sometimes form a striking helical pattern in the shoot apex.
I don't know how it followed a curved course in space - maybe it was outgassing and rotating, which would make its path helical.
Equation for short-time burst pressure of pipes reinforced by cross helically wound wires (PSP) was formulated based on method of force equivalent.
In straight streams, bar-like deposits can form in response to the thalweg (red arrows in Figure 5) and helical flow. Fluvial landforms
Shaw also offers standard or helical fluting as an additional service.

It is perfectly realistic to imagine a helical arrangement of straight molecules, as already assumed.
Features: This network is a woven belt and a right-left helical screw alternately weave, usually connected by straight or curved section string section string.
It described his proposal for a different type of helical structure, which he called the helix.
On an automated conveyor, a roll unwound, with the continuous sheet sent into a machine that coiled it helically and then welded it automatically with a high-frequency pulse of energy.
Upon absorption of light, the kinked helix is relaxed into a normal helical conformation.
There are all kinds of antennas used in EMC test such as biconical antennas, log periodic antenna, helical antenna, ridged horn antenna and etc.
The helical axis was tilted by an angle of 35° with respect to the central plane.
Its forty-six helical-structured chromosomes are human, not bovine, avian, or reptilian.
One peptide was designed to maximize helicity and the other, having the same composition but a different sequence, was designed to minimize helical formation.
The helical axis fluctuated to a limited extent about this average angle throughout the rest of the sampling period.
The CT quality control phantom was employed to analyze the stair step artifact. Helical scan was done with different slice thickness, pitch, increment and phantom position.
She first confirmed Watson's hypothesis that in the tobacco mosaic virus small protein sub-units were arranged in a helical fashion.
This is made of strips of pale larch wound helically to the sky.
The two HC, a-helical domains are helically interwound, giving the molecules a long, rigid superhelical structure with 2 globular headpieces.
The worm drives helically through -- my tomatoes, dammit, aughhhhh! Barnstorming on an Invisible Segway
Bingen pencils" we would call the helical contrails in the sky. Gravity's Rainbow
These align constructively along the helical axis to form macrodipoles (positive axis N-terminal) of 39, 43, and 59 debyes.
201, 215-219 (1982) [4] Royce, P.M.; Barnes, M.J.: Failure of highly purified lysyl hydroxylase to hydroxylate lysyl residues in the non-helical regions of collagen. Recently Uploaded Slideshows
The bacterial flagellar filament is a helical, self-assembling polymer of flagellin monomers.
The hook and the filament are self-assembling helical polymers constructed from monomers of the protein flagellin.
However, the nature of the internucleotide linkage had not yet been established, and the helical structure of DNA had not yet been proposed. Nobel Lecture The Purine Path To Chemotherapy
Both cone types are of comparable size with helically arranged, imbricate microsporophylls, and have microsporophyll head abaxial cuticles with a thicker papillate central region and a thinner, nonpapillate marginal region.
In their chiral nematic states, the materials have a helical macrostructure which acts like a diffraction grating and selectively reflect light just like a compact disc does.
We select this level of quasi-rigidity at 0.23 following a previous investigation of the dynamics of double helical nucleic acid oligomers.
The CT quality control phantom was employed to analyze the stair step artifact. Helical scan was done with different slice thickness, pitch, increment and phantom position.
The design of highly efficient double-shaft screw mixer was introduced. The principle of double-shaft helical blade arrangement and the key parameters were investigated.
In a stellarator, the helical lines of force are produced by a series of coils which may themselves be helical in shape. Nuclear fusion power
The helical axis was tilted by an angle of 35° with respect to the central plane.
The unique design characteristics of COX meters, such as helical rotors with a 2-3 millisecond response and a single-bearing low-friction design allowing the meter to be mechanically linear over a wider flow range, result in unprecedented flow measurement performance. WebWire | Recent Headlines
By comparison, the tetra-amine spermine only binds weakly to peptide carboxylate groups, and not to the a-helical conformation.
It is probably that the conjugated plane of gossypol is inserted into the base pair pleated sheet of the DNA double helical structure to associate with thymine through weak polar bond.
Objective To assess the ability of contrast-enhanced multislice helical computed tomography(MSCT) to depict the posterior intercostal artery(PICA).
Its major biological role in the bacterial cell is the removal of excessive negative supercoils from DNA to maintain the DNA at optimal superhelical density along with DNA gyrase.
Six wood panels set within slender steel frames open helically over 12 minutes, as the roof forms a star-like pattern and recalls traditional hoist technology used in theaters for centuries.
There is also continued debate about whether they should be straight or helical, and about how best, mechanically, to align and attach them.
Based on the analysis of the helical spring dependent suspension, it is presented that the theoretical expression among the main parameters of the rear axle and the heeling angle stiffness.
Leaves are parallel veined and appear to be helically arranged.
You can conceive of globular protein molecules folding from chains of left- and right-handed amino acids but not helical protein molecules.
This organelle is called the flagellum, made of a rotary motor and a thin helical filament that grows up to about 15 micron. A self-assembling nanomachine with fine switching capability
The pumpkin AP1 polysaccharides have a multi-branched structure and a variety of different linkages between adjacent monosaccharides, which compose the small rings and the helical structure.
The maximum length of the unpaired single-stranded DNA at a break is on the order of one helical turn of double-stranded DNA, i.e., 10 bases.
The cleverness here is that each new strand winds helically with the parent from which it was, as a complement, copied. THE HIDDEN FACE OF GOD
It described his proposal for a different type of helical structure, which he called the helix.
As expected, loop regions show more motion than helical regions, which is reflected in the larger deviations from the starting point as indicated by peaks in the graph.
Nobel Prizes have recognized a number of the triumphs along the way, among them Watson, Crick and Wilkins 'decipherment of the helical structure of DNA and Roger Kornberg's uncovering of the workings of the enzyme RNA polymerase, which turns DNA into RNA. The Nobel Prize in Chemistry 2009 - Speed Read
This realization of the helical symmetry of the myxoviruses laid the foundation for the understanding of the symmetry of other complex groups of viruses such as rabies virus and granulosis virus.
The native structure of lysozyme contains both a-helical and beta-sheet domains, including four disulfide bonds.
Ammonites were creatures with flat shells that had a regular, helically-spiraled shape, that existed on Earth in prehistoric times, having evolved from nautiluses. Ammonite Fossil Papercraft | Papercraft Paradise | PaperCrafts | Paper Models | Card Models
However, in longitudinal optical sections of dissected bundles immersed in lactic acid, they could be recognized as flattened and stretched helical wall thickenings.
Bacterial cells are propelled by rotating, helically shaped locomotive organs called flagella.
In addition, when introducing a kink, both stacked arms are symmetrically deviated from the helical axis by the same amount.
Helical Scan media, on the other hand, is pulled out of the cartridge shell, then led through a complicated system of guides and capstan rollers before being wrapped around a rotating head.
The contacting line equations between the ball or tooth of the planet gear and the stator helical surface and the ones between that ball and the rotor worm are also given.
These interactions are asymmetrically distributed about and along the helical axis.
However, the general helical nature of the hook and filament are similar.
The helical bias can result from an intrinsic tendency for curvature in chain direction.
Using the helical CT scan as the standard, the authors calculated the sensitivity, specificity, positive and negative predictive values and accuracy of microscopic- or dipstick-positive hematuria with regard to renal lithiasis.
Several such kinks spaced in helical phase will yield a molecule with a more or less planar curvature.
One of the discoverers of the structure of DNA, Francis Crick, credited What Is Life? as a theoretical description, before the actual discovery of the structure of DNA (the existence of the molecule had been known for nearly 2 decades, but its role in reproduction and its helical shape had not even been guessed at this time), of how genetic storage would work and a source for inspiration for the initial research. Archive 2009-03-01
As James Watson, president of the Cold Spring Harbor Laboratory and codiscoverer of the double-helical structure of DNA, said at a recent UCLA conference, "" We might as well do what we finally can to take the threat of Alzheimer's or breast cancer away from a family. '' Designer Babies
As the tissue is heated, triple helical molecules rewind, shrinking the collagen fibers.
As she draws close to the Sun she disappears from view in her helical setting, circling the Earth invisibly masked by the Sun's light.
Gel mobility anomaly is detected only in cases where the distance of the two elements is in an appropriate helical phase.
The presence of more than the expected number of signals indicated the existence of multiple helical forms.
We also observed double helical structures formed by two fibers.
Our models were deliberately developed to maintain most of the helical secondary structure of the crystals.
Pore-forming mechanisms that have been proposed to explain the mode of action of Î-helical membrane peptides include the transmembrane-helical bundle, the carpet-like, and the toroidal models.
The inverted conformation is now a positive trefoil, and two different catenanes result from the reaction-a negatively single-linked catenane or a catenane formed by double helical interwinding.
There is experimental evidence that the linker length shows a preferential quantization involving a set of values that are related by integral multiples of this helical twist, i.e., there is a preferred value of phi.
Both the single-stranded circles and the double helical circles are catenated molecules.
Features: This network is a woven belt and a right-left helical screw alternately weave, usually connected by straight or curved section string section string.
There is also continued debate about whether they should be straight or helical, and about how best, mechanically, to align and attach them.
The stair generated out of this geometry, an almost helical form, frees itself from the rigidity of the ceiling, only to be encompassed by the new limit of the silo walls.
The influence of the impedence mismatching between the joint section in pulse forming line and the helical line on the voltage waveform of the diode was analyzed.
It has been proposed that the fusion peptide is obliquely inserted into the target membrane as a flexible monomer in an helical conformation.
A set of two mostly [alpha] helical proteins, lysozyme and [alpha] lactalbumin, has been compared to a set of two mostly [beta] sheet proteins, [beta] lactoglobulin and pepsin.
There also will be some historical notes about the helical screw and a review of the main methods for making threads in wood.
The native structure of lysozyme contains both a-helical and beta-sheet domains, including four disulfide bonds.
These spiral teeth engage just like helical teeth: the contact starts at one end of the gear and progressively spreads across the whole tooth.
Interactions among supercoils can be taken into account in the second virial approximation, because at the present ionic strength electrostatic interactions are screened over a spatial extent less than the superhelical diameter.
Both the linear and helical scan tape drives and the disk drive keep an accurate record of the location of data on the recorded media.
The amino acid side chains extend radially outward, away from the helical backbone.
Since each of the two newly formed DNA strands is a copy of the older strand of DNA that previously occupied that same position, as the DNA-P moves along the parent DNA strand, the new daughter strand mates and helically winds with the original parent. THE HIDDEN FACE OF GOD
Results The location, shape and displacement of fragment of zygomatic bone and zygomatic arch fractures were demonstrated stereoscopically through 3D images reconstructed from helical CT.
In Arabidopsis roots, the transition from early to later stages of differentiation is characterized by the appearance of metaxylem, which is identified on the basis of reticulate rather than helical secondary cell wall thickenings.
There comes a point at long distance that the helical starts increasing the size of the groups.
The loss of the helical spring antenna is approximately 10 dB compared to a half-wave dipole.
Reduction of the di-iron centre is required for oxygen binding and substrate oxidation [2];, enzyme contains a bridged dinuclear iron centre [4];, a-helical structure that surrounds the binuclear iron binding site [6];, enzyme contains 4 components: 1. a monomeric 35500 Da NADH reductase containing 1 mol of FAD and a probable 2Fe-2S center, 2. a 13300 Da ferredoxin containing a Rieske-type Recently Uploaded Slideshows
We suggest that the decrease in the enthalpy and loss of ellipticity are caused by the loss of approximately four helical turns of coiled coil that correspond to the N-terminal TM portion of the peptide.
Solid boxes show the relative positions of two predicted helical structures.
The helical regions of the molecule are often quite variable in sequence.
A helical scan tape will gradually be wound around a rotating drum causing dust to be dragged in between the tape and the head.
The type II secretory system features a small “piston” made up of helically arranged proteins. The Politically Incorrect Guide to Darwinism and Intelligent Design Review: IC is not nice (Chapter 10) - The Panda's Thumb
It is probably that the conjugated plane of gossypol is inserted into the base pair pleated sheet of the DNA double helical structure to associate with thymine through weak polar bond.
For example, troponin and tropomyosin form large protein complexes with multiple points of interactions with each other and the F-actin helical backbone.
Most are either icosahedral or helical, which means as the author helpfully notes that they are shaped like a football or a spiral staircase. New Angles on Biology
Membrane topology of the FNT family members is consistent with six putative transmembrane helical spanning domains, as established for the FOCA protein of E.coli.
The scientists were able to see previously unobserved changes in the structure of rhodopsin, which is a model for the ubiquitous G protein coupled receptors (GPCRs), heptahelical, transmembrane receptors found in eukaryotic cells. PhysOrg.com - latest science and technology news stories
Upon heating, they undergo a reversible transition leading to a partly a-helical structure.
Pawson called the helical staircase "extraordinary" for its self-supporting structure. NYT > Home Page
On the negative side, I really didn't care for the helical magazine system.
If a voltage is placed across the display, the helical shape is lost.
Moreover, the segments characterized have a common helical symmetry.
This approach also simplifies the introduction of helical symmetry and enables helical deformations to be modelled in a controlled way.
The other important proteins include the nucleoprotein closely associated with the helical RNA, phospho-protein P, matrix protein M, and L protein.
In helical scan recording, both the read and write heads are located on a rapidly rotating cylinder or drum.
Double helical structure of DNA and types of DNA helices.
At left are some of the main tools used in stabilizing a foundation, called helical piers. Island Packet: Home
In other words, a dielectric material (insulative substance) that geometrically may be considered as a lens that is taken at its center point and pulled out into an elongated rod, cone, pyramid, etc., such as helical cones on the legs of some mites (Figure 1). Chapter 5
In order to overcome problems of modulation noise and signal dropout at the very high head-to-tape speeds of helical scan recording, it is essential that the tape's magnetic base film be exceptionally smooth.
Some helical parameters even exhibited a clear bimodal distribution.
This serves as the starting point for optimization of the helices in the helical bundle.
The increase in the CD signal corresponded to a time-dependent decrease in ellipticity at a wavelength typical for [alpha] helical signals.
`Interesting how many structures in nature are helical ," he mused. COMPULSION
The longer the peptide, the less important is the effect of the helical dipole.
`Interesting how many structures in nature are helical ," he mused. COMPULSION
The channel has a slight helical twist following the secondary structure of larger maltodextrins.
Two novel spherical helical antennas are designed by projecting the planar equiangular spiral antenna onto the surfaces of hemisphere and partial sphere.
Computerized servos shift the helical gears and operate the wet clutches.
Below ground, crews attached large metal corkscrews called helical piles to tie the wall's foundation together. Long Beach Press Telegram Most Viewed
Hammond also patented an electromechanical reverb device using the helical tortion of a coiled spring, widely copied in later electronic instruments.
Two of the isolated smooth muscle preparations that I unsuccessfully tested for bioassay of VEM and VDM were a helically-cut strip of rabbit aorta, which responded with contraction to epinephrine, and a longitudinal segment of rabbit duodenum, which exhibited spontaneous rhythmic contractions that were inhibited by epinephrine and stimulated by acetylcholine. Robert F. Furchgott - Autobiography
After six months without glue, the skin had healed, and we performed a limited otoplasty recreating his absent antihelical fold.
Halorhodopsin, an electrogenic light-driven ion pump which belongs to the family of the seven-helical trans-membrane proteins, was discovered in the archaea Halobacterium salinarum.
Other projects include a helical anchor, which can be screwed into the ground and used to support a 10-kilowatt wind turbine, and a Department of Transportation project to develop better roadways by improving the subgrade soil on which roadways are often built. Meet Amy Cerato: Geotechnical Engineer « AAUW Dialog
In water, however, the helical structure is retained only in the termini of the peptide, and is completely lost in its center.
The secret, as the world now knows, lay in the double helical structure of DNA.

How To Use Helical In A Sentence

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