| 词汇 | example_english_polar |
| 释义 | Examples of polarThese examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. The resemblance in morphogenesis and final structure of cnidarian nematocysts and myxozoan polar capsules remains to be explained. Three polar assumptions about economic openness are successively handled. The kinetics of polar body formation were also fastest in pyruvate-containing medium. Happily his impressive career is reasonably well documented, and it is certain that his wartime and polar efforts will not be forgotten. The gauge response behaves as two-polar periodical signal with gradually decreasing amplitude. Cellular uptake of an alpha-helical amphipathic model peptide with the potential to deliver polar compounds into the cell interior non-endocytically. The task is mapped into polar coordinates as a task crescent with required orientation. The polar regions will play no part in this particular naval celebration, but their imaginative reach continues in new configurations. Lateral flagella were not clearly visible, but 2-5 polar flagella (2-3 times the length of the cell) were observed. In his age, nationalism was turning polar discovery, in essence geographical discovery, into a race. In the near past the northern polar region/southern polar region has been warmer/colder than at present, respectively. The peripheral type has lesions only outside the posterior polar area. There were many spectacles during the nineteenth century, feeding a public appetite for the latest thrilling news, whether polar or not. Also, these are polar cases, as every voter in each figure is either centrist or extremist. An open subsurface hydrothemal system will be easier to detect, mostly by vapor escape, but will lose molecules irreversibly to the polar cold trap. The uptake of polar molecules into the interlayer spaces of some clay minerals is known as 'intercalation'. Note that the polar regions are not included. There was even some evidence of a 'wave of darkening' spreading from the waning polar cap towards the equator. Because the laser induces a dipole moment within the molecule, both polar and nonpolar molecules can be studied. Representing the task in the polar map, the following task-map parameters can be obtained. The formation of the polar capsule seems to take place as usual in myxosporeans. No polar capsules were seen in any of the cells, external or internal. An integral equation to describe the solvation of polar molecules in liquid water. In addition to the geometric complementarity, chemical complementarity is also essential in recognition, particularly between polar and ionic groups. Large-scale engineering and investment should be a matter of concern for all those working with the social and environmental questions of the polar regions. He had given his support to several polar expeditions, which led to further sponsorship by private merchants. Interpretation of radio echo sounding in polar ice sheets. However, the problem of extreme distortion of the polar regions remains, and this can again be obviated by choosing a transverse aspect of the projection. However, relatively little research has been conducted relating to contamination issues in cold climates and the unique situations that exist in the polar regions. Again there are very few data from polar species on the level of contaminants in tissues that are associated with detrimental effects. The policy issues were at the polar opposite of fine-tuning. If they all turn up to the right of the verb in their canonical positions, you must be looking at a polar query. However, it seems too close to the shock polar for a perfect gas, which again could indicate an influence from systematic effects. The book covers the main areas of focus for polar fish research over recent decades. By describing our approach in detail we highlight certain issues and requirements, especially when working with polar data. To evaluate the contribution of polar ice caps to the observed changes, regular observation of large polar areas is necessary. Especially in snow-covered polar regions changing wind conditions, temperature variation, and precipitation result in a strong decrease of correlation over time. On three of the four occasions when the ship encountered a polar bear, ivory gulls were also present. The polar census was one of the main inspirations of his research. Venturing into the unknown of the polar regions differs little, in principle, from the development of economic and social programmes. Researchers still do not have a complete theoretical understanding of why all polar lows develop. Such observations and models are far removed from past assumptions that spills in polar regions either evaporate or remain frozen and trapped in the ground. Both fox and polar bear faeces were found on the island. A few authors highlight opportunities for relevant research that may help inform the management of polar tourism. The work represents quite an achievement given the meagre funding available to polar tourism researchers. One option is of reciprocal inhibition of polar opposites, whereby when one mood is dominant, its polar opposite is suppressed, but can later be released. A free-hand scan in a fan-like motion results in a set of polar coordinates that localize the probe in space. Observations in polar seas are not sufficient to test our ideas, and we close with a plea for more measurements t o be made. To maintain a proper discretization, an occasional mesh redistribution was performed by fitting a cubic spline to the polar coordinate representation of the interface. The use of polar coordinates confirms that only the radial equation is the affected by the velocity of recession. Equations (11) and (13) correspond to (14) and (19) of part 1, which were derived in somewhat more detail for a cylindrical polar co-ordinate system. We now see that the best approximation of this kind is obtained by retaining the polar component and neglecting the integral component. The equations of motion in spherical polar co-ordinates are reduced to the axiaymmetric boundary-layerform by dimensional considerationsand are listed below. The distribution of the stomata could not be determined, but their polar axis lies along the length of the leaf. The particular distinction of the montmorillonite structure from the other types is that water, free inorganic cations and polar molecules can occupy the interlamellar space. In this section, we explore the remaining polar configuration where the number of leads in expectations is arbitrary. The second condition on polar properties is that only modular principles can be polar. Humanitarian organisations are thus forced to make difficult compromises between these two polar positions. Crystal structures have shown that, as a rule, the active sites of enzymes are highly polar. Electrostatic potentials and free energies of solvation of polar and charged molecules. The forest is strongly influenced by the easterly winds and by polar air masses which produce cold winter winds. The aim is to build a polar diagram which stores the beam's angle for all obstacles in the active region. First, a model for the tracking problem based on polar representation of the kinematics equations is derived. A polar diagram which provides information about the environment and directions corresponding to the pursuit is constructed. Therefore, (31) gives the recursive formula to approximately obtain the robot's polar radius, polar angle, and orientation. Polar angle represents direction difference (30-deg bins), distance from the origin represents percentage of the sample falling into each bin. In some cases, cells in the polar trophectoderm may then be displaced to mural trophectoderm. The direction of each dot varies with polar angle around the center, and a single phase-angle parameter differentiates these stimuli. The polar body was at 6 or 12 o'clock and the point of injection at 3 o'clock. Oocytes with visible polar bodies and of excellent morphology were used. Anomalies of the first polar body and zona pellucida, as well as non-spherical shapes of oocytes, were also noted. The maturation spot is a clearing in the dark animal hemisphere pigment, at the site of first polar body formation. The maturation spot is a small region of the animal cortex, relatively devoid of pigment, that develops at the site of first polar body extrusion. Over 95% of the fresh oocytes were activated, all showing formation of one pronucleus and extrusion of the second polar body. Oocytes with two pronuclei and a second polar body were considered to be fertilised. Fertilisation was assessed by the occurrence of two pronuclei and the formation of a second polar body, visualised under an inverted microscope. Degenerated oocytes and immature oocytes that did not extrude the first polar body were excluded. Oocytes with extruded second polar bodies were used for analysis from 2 h of culture. After the completion of polar body extrusion, polymerised microtubules disappeared from the cytoplasm. In the present study we imaged a wide cortical granule area around the first polar body. Oocytes with distinct polar bodies were used for electrical activation. The second polar body is indicated by a small asterisk. An increase in intracellular calcium is required for cortical granule exocytosis and second polar body formation in mammalian eggs. A polar body which contained clear, distinct cytoplasm was considered as healthy. In contrast, the polar trophectoderm produces the chorionic ectoderm and entoplacental cone, which form the placental trophoblast. Oocytes with extruded polar bodies were considered as mature eggs. The first polar body could be observed in mature oocytes without zona granulosa. The orienting polar residue is either an acidic or a polar amide residue in most members of the thiol-peptidase fold. Of course, he develops and qualifies each of these polar terms. In the mouse, fluorescein conjugated probes for cytoskeletal elements show a thickened area of microfilaments below the cortex of the polar body region. The polar head groups are in contact with water and therefore contribute largely to the interfacial properties of cell surfaces. The "polar logic" of reason is distinguished from the logic of dichotomy of the understanding. We shall refer to diagrams that possess both rotational and polar symmetry as completely symmetric. Only a few species inhabit both polar regions; each region has recruited almost entirely from its own hemisphere. Many polar species have clearly originated in this way by adaptations of metabolism, form and lifestyle. Most polar lakes are highly oligotrophic, with clear waters and a very limited range of species inhabiting them. Polar adaptations are usually developments or extensions of adaptations that organisms have acquired elsewhere to meet other challenges; only recently have they acquired polar relevance. Acclimation and adaptations for polar living are discussed, and the life-cycles and physiological traits of some polar organisms are examined. However, life in polar regions is generally healthy, strenuous and safe. The whiteness of polar bears and arctic foxes provides camouflage, and may also allow solar radiation to penetrate and heat the skin surface directly. These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. |
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