scholarly journals NEW COCCIDS FROM KANSAS

1899 ◽  
Vol 31 (10) ◽  
pp. 280-282
Author(s):  
Percy J. Parrott
Keyword(s):  
Caustic Potash ◽  
Outer Side ◽  
Anal Region ◽  
Anal Orifice ◽  
Anal Ring ◽  
Ultimate Segment

Antonina Nortoni, Parrott and Ckll.Sac white, subglobular, cottonlike, completely enveloping female.♀ oval, plump, cream-coloured, with slight tinge of brown on margin. Boiled in caustic potash, becomes transparent, with the exception of the antennae, the two pairs of spiracles, and ultimate segment, including anal region, which are a dark yellowish-brown. There are many single glands, especially towards and about posterior segments; they are less numerous anteriorly. On outer side of each spiracle there is a crescentic group of rather large circular glands, placed very close together. Antennae aborted, short, thick, composed of three segments measuring respectively 18–25, 13–16 and 27-28 mm. Mouth-parts large Spiracles chitinous, large and extended. Anal orifice circular, situated in a depression, surrounded by a strong chitinous ring. Anal ring with six long, stout hairs measuring from 53 to 89 mm. in length.

scholarly journals FOUR NEW DIASPINE COCCIDAE

1899 ◽  
Vol 31 (5) ◽  
pp. 105-107
Author(s):  
T. D. A. Cockerell
Keyword(s):  
Dark Spot ◽  
Outer Side ◽  
Anal Orifice

aspidiotus cueroensis, n. sp..—♀. Scale diam, slightly over 1 millim., circular, slightly convex above and beneath, with the margin somewhat elevated, like an oyster; very pale gray or grayish- white, quite a delicate shade, exuviae more or less to one side, covered, inconspicuous, but appearing as a dark spot on the inside of the scale. ♀. Shape ordinary; black when dry. No circumgenital glands. Anal orifice elongate oval, moderately large, distinct from bases of lobes about 1½ times its length. Only one pair of lobes, these and the area about their base remaining dark brown after boiling; lobes rather large, but short and broad, contiguous at the base, but thence diverging to their rounded apices, whence they slope downwards to the comparatively short outer side, the shape of the lobes being almost as in A. ostreaeformis.

scholarly journals Notes on Coccidae occurring in the Seychelles Islands, with descriptions of new species

1916 ◽  
Vol 7 (2) ◽  
pp. 193-196 ◽  
Author(s):  
E. E. Green
Keyword(s):  
New Species ◽  
Adult Female ◽  
Short Distance ◽  
Lateral Lobe ◽  
Outer Side ◽  
Anal Orifice ◽  
Seychelles Islands ◽  
Lateral Space

The new species, described below, have been received from Mr. R. Dupont, Superintendent of Botanic Stations in the Seychelles.Aspidiotus (Chrysomphalus) ansei, sp. nov. (fig. 1).Female puparium irregularly circular or broadly ovate ; flattish or moderately convex. Very pale brownish ochreous, semitransparent ; pellicles darker, central. Diameter averaging 1·45 mm.Male puparium smaller and more distinctly ovate ; pellicle nearer one extremity. Length 1 mm.Adult female broadly rounded in front, narrowed and bluntly pointed behind. Margins of abdominal segments moderately produced. Pygidium (fig. 1) with six well developed prominent rounded lobes, the median pair indented on each side, the two lateral lobes more conspicuously indented on the outer side. Squames. long and deeply fimbriate : two in each of the median and first lateral spaces, three in the second lateral space, and three beyond the outer lateral lobe, followed immediately by a stout marginal prominence, beyond which the margin is slightly cristate for a short distance. Spines few, small and inconspicuous. Paraphyses, four on each side, elongate, conspicuous. Anal orifice near the extremity. Circumgenital glands in four groups: upper laterals with 3 to 4 pores, lower laterals with 2 to 3. Oval dorsal pores in two series on each side. Numerous long slender ducts communicating with the dorsal and marginal pores. Length, 1 mm.

TWO REMARKABLE NEW COCCIDÆ

1903 ◽  
Vol 35 (3) ◽  
pp. 64-66 ◽  
Author(s):  
T. D. A. Cockerell
Keyword(s):  
New Genus ◽  
The Other ◽  
Anal Orifice ◽  
Anal Ring ◽  
Lac Insect

Of the two Coccidæ now described, the first is the type of a very peculiar new genus; the other is a very beautiful and interesting lac-insect.Stictococcus, n. g. —An aberrant genus of Lecaniinæ, with the anal orifice in the middle of the back, not connected with the hind margin by a slit or groove. Anal ring with six hairs in larva; none in adult. Anal plates so modified in adult as to be unrecognizable. Legs small, but well developed. Antennæ with 5 or 6 joints. Margin with long bristles, and flattened bifid or palmate plates or spines. Dorsum with numerous large pits.

Increasing in wear resistance of excavating machine elements

2020 ◽  
pp. 306-308
Author(s):  
V.S. Bochkov
Keyword(s):  
Wear Resistance ◽  
Wear Rate ◽  
Abrasive Wear ◽  
Thermomechanical Treatment ◽  
Cold Work ◽  
Hadfield Steel ◽  
Outer Side ◽  
Viii And Ix ◽  
Machine Elements ◽  
The Impact

The relevance of the search for solutions to increase the wear resistance of bucket teeth of excavating machine type front shovel is analyzed. The reasons for the wear of the teeth are considered. It is determined that when excavating machines work for rocks of VIII and IX categories, impact-abrasive wear of the inner side of the teeth and abrasive external wear occurs. It is proved that the cold-work hardening of Hadfield steel (the teeth material), which occurs during the excavating machine teeth work in the rocks of VIII and IX categories, reduces the impact-abrasive wear rate on the inner side of the teeth and does not affect the abrasive wear of the outer. The methods for thermomechanical treatment of the outer side of the excavating machine tooth is proposed. It can increase the wear resistance of Hadfield steel (110G13L) up to 1.7 times and lead to the self-sharpening effect of the tooth due to equalization of the wear rate of the outer and inner parts of the tooth. The efficiency factor of thermomechanical treatment to reduce the of abrasive wear rate of Hadfield steel is experimentally proved.

Effecacy of Kadali Kshara Sutra in the Management of Bhagandara (Fistula-In-Ano) - A Case Report

2017 ◽  
Vol 2 (4) ◽  
Author(s):  
Shilpa Patil ◽  
Ashok Naikar ◽  
Chandrakanth Halli
Keyword(s):  
Case Report ◽  
Mode Of Action ◽  
World Wide ◽  
Single Plant ◽  
Anal Region ◽  
Fistula In Ano ◽  
Highly Effective

Bhagandara (Fistula in ano) is a common anorectal condition prevalent world wide, and its prevalence is second highest after Arshas (Haemorrhoids). Kshara Karma is a one of the parasurgical procedure in Ayurveda. In this study Palasha Kshara Sutra is used in Bhagandara (Fistula-in-ano). Though, Apamarga Kshara Sutra is highly effective in the management of Fistula-in-ano. But pain, irritation, difficulty in preparation has limited its use. Thus, various type of Kshara Sutra tried with their efficacy in different angle. In this present study effort will be made to define the probable mode of action of Palasha Kshara Sutra prepared in Arka Ksheera in Fistula-in-Ano. This is equally effective with less pain and easy to prepare because a single plant is enough and not a seasonal plant. A 56 yr old male presented with complaints of painful swelling with pus discharge in the anal region since 1 week has been presented here.

scholarly journals Age-dependent and radial sectional differences in the dynamic viscoelastic properties of bamboo culms and their possible relationship with the lignin structures

2020 ◽  
Vol 66 (1) ◽  
Author(s):  
Yoko Okahisa ◽  
Keisuke Kojiro ◽  
Hatsuki Ashiya ◽  
Takeru Tomita ◽  
Yuzo Furuta ◽  
...  
Keyword(s):  
Mechanical Properties ◽  
Viscoelastic Properties ◽  
Structural Variation ◽  
Thermal Softening ◽  
Peak Temperature ◽  
Outer Side ◽  
Phyllostachys Pubescens ◽  
Age Dependence ◽  
Age Dependent ◽  
S Peak

Abstract Age is an important factor that dictates bamboo’s mechanical properties. In Japan, bamboo plants aged 3–5 years are selected for use as materials because of their robustness and decorative or craft-friendly characteristics. In this study, the age-dependent and radial sectional differences in bamboo’s dynamic viscoelastic properties in relation to lignin structural variation, were evaluated. We used Phyllostachys pubescens samples at the current year and at 1.5, 3.5, 6.5, 9.5, 12.5, and 15.5 years of age. There was a clear age dependence in the peak temperature of tan δ and in the yield of thioacidolysis products derived from β-O-4 lignin structures. The highest peak temperature tan δ value was detected in 3.5-year-old bamboo, which contained the highest amount of the thioacidolysis products. Moreover, tan δ’s peak temperature was always higher on the outer side, and the ratio of S/G thioacidolysis products was always higher on the inner side of bamboo plants of all ages. These results suggest that changes in bamboo’s thermal softening properties from aging are caused by the maturation and degradation of lignin in bamboo.

scholarly journals Observing and controlling a Tamm plasmon at the interface with a metasurface

Nanophotonics ◽  
2020 ◽  
Vol 9 (4) ◽  
pp. 897-903 ◽  
Author(s):  
Oleksandr Buchnev ◽  
Alexandr Belosludtsev ◽  
Victor Reshetnyak ◽  
Dean R. Evans ◽  
Vassili A. Fedotov
Keyword(s):  
Liquid Crystal ◽  
Metal Film ◽  
Near Infrared ◽  
Thin Metal Film ◽  
Outer Side ◽  
Spectral Position ◽  
External Perturbations ◽  
Dielectric Mirror ◽  
Wavelength Scale ◽  
Sub Wavelength

AbstractWe demonstrate experimentally that Tamm plasmons in the near infrared can be supported by a dielectric mirror interfaced with a metasurface, a discontinuous thin metal film periodically patterned on the sub-wavelength scale. More crucially, not only do Tamm plasmons survive the nanopatterning of the metal film but they also become sensitive to external perturbations as a result. In particular, by depositing a nematic liquid crystal on the outer side of the metasurface, we were able to red shift the spectral position of Tamm plasmon by 35 nm, while electrical switching of the liquid crystal enabled us to tune the wavelength of this notoriously inert excitation within a 10-nm range.

scholarly journals Plasma membrane glycosphingolipid signaling: a turning point

2021 ◽  
Author(s):  
Elena Chiricozzi
Keyword(s):  
Plasma Membrane ◽  
Chemical Synthesis ◽  
Bioinformatic Analysis ◽  
Membrane Receptors ◽  
Outer Side ◽  
Neuronal Homeostasis ◽  
Extracellular Stimuli ◽  
Conceptual Shift ◽  
Plasma Membrane Receptors ◽  
Key Events

AbstractPlasma membrane interaction is highly recognized as an essential step to start the intracellular events in response to extracellular stimuli. The ways in which these interactions take place are less clear and detailed. Over the last decade my research has focused on developing the understanding of the glycosphingolipids-protein interaction that occurs at cell surface. By using chemical synthesis and biochemical approaches we have characterized some fundamental interactions that are key events both in the immune response and in the maintenance of neuronal homeostasis. In particular, for the first time it has been demonstrated that a glycolipid, present on the outer side of the membrane, the long-chain lactosylceramide, is able to directly modulate a cytosolic protein. But the real conceptual change was the demonstration that the GM1 oligosaccharide chain is able, alone, to replicate numerous functions of GM1 ganglioside and to directly interact with plasma membrane receptors by activating specific cellular signaling. In this conceptual shift, the development and application of multidisciplinary techniques in the field of biochemistry, from chemical synthesis to bioinformatic analysis, as well as discussions with several national and international colleagues have played a key role.

scholarly journals Test and Numerical Model of Curved Steel–Concrete Composite Box Beams under Positive Moments

Materials ◽  
2021 ◽  
Vol 14 (11) ◽  
pp. 2978
Author(s):  
Zhi-Min Liu ◽  
Xue-Jin Huo ◽  
Guang-Ming Wang ◽  
Wen-Yu Ji
Keyword(s):  
Finite Element ◽  
Static Loading ◽  
Composite Beams ◽  
Parameter Analysis ◽  
Outer Side ◽  
Finite Element Models ◽  
Test Results ◽  
Rotational Angle ◽  
Shear Connection ◽  
Box Beams

Compared with straight steel–concrete composite beams, curved composite beams exhibit more complicated mechanical behaviors under combined bending and torsion coupling. There are much fewer experimental studies on curved composite beams than those of straight composite beams. This study aimed to investigate the combined bending and torsion behavior of curved composite beams. This paper presents static loading tests of the full elastoplastic process of three curved composite box beams with various central angles and shear connection degrees. The test results showed that the specimens exhibited notable bending and torsion coupling force characteristics under static loading. The curvature and interface shear connection degree significantly affected the force behavior of the curved composite box beams. The specimens with weak shear connection degrees showed obvious interfacial longitudinal slip and transverse slip. Constraint distortion and torsion behavior caused the strain of the inner side of the structure to be higher than the strain of the outer side. The strain of the steel beam webs was approximately linear. In addition, fine finite element models of three curved composite box beams were established. The correctness and applicability of the finite element models were verified by comparing the test results and numerical calculation results for the load–displacement curve, load–rotational angle curve, load–interface slip curve, and cross-sectional strain distribution. Finite element modeling can be used as a reliable numerical tool for the large-scale parameter analysis of the elastic–plastic mechanical behavior of curved composite box beams.

Drinking Tubes on Archaeological Vessels from Western South America

1954 ◽  
Vol 20 (2) ◽  
pp. 149-153
Author(s):  
Stig Rydén
Keyword(s):  
South America ◽  
The Body ◽  
Outer Side ◽  
Human Face ◽  
La Paz

In 1952 I had the opportunity of investigating about 70 slab cists in the province of Munecas, Bolivia. Among the vessels found in the graves there were a few goblets provided with a tubular protuberance on one side. As my collections and personal outfit are still detained by the Bolivian authorities, the appearance of these vessels is illustrated here only by a drawing of a vessel taken over by the Museo Nacional “Tihuanacu,” La Paz (Fig. 50). A similar but undecorated vessel from the same region, Tacacacoma, is published by Schmidt (1929: 256, and Fig. 2). On the latter vessel the tubular protuberance is joined to the body of the goblet by two bare. Other minor variations in vessels of this type appear in the shape of the goblets and in the shape and placing of the tubular protuberance. Sometimes, for instance, the tube is longer than on the vessels depicted here and very often a raised human face is found on the outer side opposite the tube.

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