| 单词 | kinematics |
| 例句 | Not content merely to have extracted from Nature the laws of planetary motion, Kepler endeavored to find some still more fundamental underlying cause, some influence of the Sun on the kinematics of worlds. Cosmos 1980-01-01T00:00:00Z But here in Philadelphia, where he was tasked to reimagine one of the country’s oldest and most significant museums, he has left the stainless steel and the kinematics software at home. Gehry’s Quiet Interventions Reshape the Philadelphia Museum 2021-05-30T04:00:00Z To follow the evolution of these four galaxies, the simulation calculated physical processes such as the kinematics of stars and gas, chemical reactions, star formation, and supernovae. Tag team of the James Webb Space Telescope and ALMA captures the core of the most distant galaxy protocluster 2023-09-20T04:00:00Z The study is the first to show these differences in body movement, or kinematics, during vertical climbing. Ape elbows and shoulders evolved differently than monkeys, allowing us to throw with precision 2023-09-08T04:00:00Z Graphical analysis of motion can be used to describe both specific and general characteristics of kinematics. College Physics for AP Courses 2015-08-12T00:00:00Z In general, it is difficult to disentangle the different properties of an electronic state in terms of its kinematics and correlations as the density is adjusted. Electronics tuned in twisted bilayer graphene 2020-07-14T04:00:00Z Beyond reward prediction errors: the role of dopamine in movement kinematics. Dopamine neuron activity before action initiation gates and invigorates future movements 2018-01-30T05:00:00Z Freudenstein developed his kinematics equations at the dawn of the computer era in the 1950s. How Robot Math and Smartphones Led Researchers to a Drug Discovery Breakthrough 2018-01-17T05:00:00Z Initially, while monkeys remained seated in the robotic wheelchair, passive navigation was employed to train a linear decoder to extract 2D wheelchair kinematics from cortical activity. Watch This Monkey Control a Wheelchair With Its Tiny Monkey Brain 2016-03-03T05:00:00Z As for one-dimensional kinematics, we use arrows to represent vectors. College Physics for AP Courses 2015-08-12T00:00:00Z "We didn't have enough power in 2014, we didn't have enough downforce, kinematics on our suspension were not ideal and our packaging left a lot to be desired as well," he said. Ferrari make the F1 title their 2016 target 2016-02-19T05:00:00Z Bartenbach and professor of sensory motor systems, Robert Riener, are seeking to replicate the natural kinematics of human lower limbs, in an attempt to improve the type of exoskeleton currently being manufactured. Exoskeleton research could allow paralyzed to turn and climb 2015-11-02T05:00:00Z Tested vehicles received a rating – from highest to lowest — of Good, Acceptable, Marginal or Poor, for overall performance and separate sub-ratings for structure; restraints and kinematics; and injury protection in several categories. Most Minivans Rated Poorly In Front Crash Test, New Report Finds 2014-11-28T05:00:00Z Other researchers believe that advances in sensors that more accurately model human skin, as well as algorithms that fuse vision, haptics and kinematics, will lead to vast improvements in the next generation of robots. Brainy, Yes, But Far From Handy 2014-09-01T04:00:00Z The problem solving procedures here are the same as for one-dimensional kinematics and are illustrated in the solved examples below. College Physics for AP Courses 2015-08-12T00:00:00Z But space and time also raise difficult problems of much the same kind, namely, difficulties in reducing the haphazard untidy world of immediate sensation to the smooth orderly world of geometry and kinematics. Our Knowledge of the External World as a Field for Scientific Method in Philosophy 2011-08-16T02:00:44.423Z The conception of force is, so to speak, eliminated from the conditions of the problem, which is reduced to one of pure kinematics. Encyclopaedia Britannica, 11th Edition, Volume 2, Slice 7 "Arundel, Thomas" to "Athens" Instead, they had passed into the realm of the mathematical relations of kinematics: quantitative law had replaced qualitative experience of cause and effect. The Natural Philosophy of William Gilbert and His Predecessors In engineering schools today, a student is introduced to the kinematics of mechanisms by means of a course of kinematic analysis, which is concerned with principles underlying the motions occurring in mechanisms. Kinematics of Mechanisms from the Time of Watt For example, forces produce accelerations, a topic of kinematics, and hence the relevance of earlier chapters. College Physics for AP Courses 2015-08-12T00:00:00Z Outside it was Lieutenant Delancey practising kinematics by pressing the button with a levitated pencil instead of shoving on the thing directly. The Big Fix Then another picture, jerking, mazy, a study in kinematics—"Crazy Monday" on the Street, Carington and he swept along in that day's whirlwind of speculation.... Sally of Missouri The meshes’ author had painstakingly modeled, chained and animated every ghost in the ballroom scene, complete with the kinematics necessary for full motion. Down and Out in the Magic Kingdom I have brought the narrative down to the present by tracing kinematics as taught in American engineering schools, closing with brief mention of the scholarly activity in kinematics in this country since 1950. Kinematics of Mechanisms from the Time of Watt The kinematics of rotational motion describes the relationships among rotation angle, angular velocity, angular acceleration, and time. College Physics for AP Courses 2015-08-12T00:00:00Z The contrast between ether and matter would fade away, and, through the general theory of relativity, the whole of physics would become a complete system of thought, like geometry, kinematics, and the theory of gravitation. Sidelights on Relativity Kinetics is applied kinematics, or, as pointed out above, dynamics treated with kinematic concepts. Man or Matter The robots were easy enough—just off-the-shelf stuff, really—but the costumes and kinematics routines were something else. Down and Out in the Magic Kingdom Only a few lines could be devoted to so specialized a branch as kinematics, but Amp�re managed to capture the central idea of the subject. Kinematics of Mechanisms from the Time of Watt As in linear kinematics, we assume a is constant, which means that angular acceleration α is also a constant, because a = rα . College Physics for AP Courses 2015-08-12T00:00:00Z The space-time theory and the kinematics of the special theory of relativity were modelled on the Maxwell-Lorentz theory of the electromagnetic field. Sidelights on Relativity In fact, it is the basic theorem of kinematics. Man or Matter I’ve put that team onto something else, a kinematics routine for a class of flying spooks that use gasbags to stay aloft—silent and scary. Down and Out in the Magic Kingdom In his definition of kinematics, Amp�re stated what the faculty of mathematics at the Ecole Polytechnique, in Paris, had been groping toward since the school's opening some 40 years earlier. Kinematics of Mechanisms from the Time of Watt The study of motion is kinematics, but kinematics only describes the way objects move—their velocity and their acceleration. College Physics for AP Courses 2015-08-12T00:00:00Z The approach we have used in two-dimensional kinematics also works very well here. College Physics for AP Courses 2015-08-12T00:00:00Z You can apply concepts from kinematics and dynamics in order to solve these problems of motion. College Physics for AP Courses 2015-08-12T00:00:00Z Our formal study of physics begins with kinematics, which is defined as the study of motion without considering its causes. College Physics for AP Courses 2015-08-12T00:00:00Z Military Academy of this period, but I found no mention of kinematics in this collection. Kinematics of Mechanisms from the Time of Watt Projectile motion is a special case of two-dimensional kinematics in which the object is projected into the air, while being subject to the gravitational force, and lands a distance away. College Physics for AP Courses 2015-08-12T00:00:00Z In one- and two-dimensional kinematics we will study only the motion of a football, for example, without worrying about what forces cause or change its motion. College Physics for AP Courses 2015-08-12T00:00:00Z By applying the kinematics developed so far to falling objects, College Physics for AP Courses 2015-08-12T00:00:00Z This section uses graphs of displacement, velocity, and acceleration versus time to illustrate one- dimensional kinematics. College Physics for AP Courses 2015-08-12T00:00:00Z This copy probably represents the first textbook of kinematics. Kinematics of Mechanisms from the Time of Watt We know from kinematics that acceleration is a change in velocity, either in its magnitude or in its direction, or both. College Physics for AP Courses 2015-08-12T00:00:00Z Now, we solve one of the rotational kinematics equations for αθ . College Physics for AP Courses 2015-08-12T00:00:00Z In the process of developing kinematics, we have also glimpsed a general approach to problem solving that produces both correct answers and insights into physical relationships. College Physics for AP Courses 2015-08-12T00:00:00Z The acceleration due to gravity is constant, which means we can apply the kinematics equations to any falling object where air resistance and friction are negligible. College Physics for AP Courses 2015-08-12T00:00:00Z His treatment of kinematics was not as closely reasoned as the later treatises of Reuleaux and Kennedy, which will be considered below. Kinematics of Mechanisms from the Time of Watt The kinematics of rotational motion describes the relationships among rotation angle, angular velocity, angular acceleration, and time. College Physics for AP Courses 2015-08-12T00:00:00Z In Addition of Velocities, we will examine the addition of velocities, which is another important aspect of two-dimensional kinematics and will also yield insights beyond the immediate topic. College Physics for AP Courses 2015-08-12T00:00:00Z On the whole, solutions involving energy are generally shorter and easier than those using kinematics and dynamics alone. College Physics for AP Courses 2015-08-12T00:00:00Z The study of kinematics has been considered for nearly 80 years as a necessary part of the mechanical engineer's training, as the dozens of textbooks that have been published over the years make amply clear. Kinematics of Mechanisms from the Time of Watt This time has most certainly arrived for the science of kinematics. Kinematics of Mechanisms from the Time of Watt With the basics of kinematics established, we can go on to many other interesting examples and applications. College Physics for AP Courses 2015-08-12T00:00:00Z The similarity and aridity of kinematics textbooks in this country from around 1910 are most striking. Kinematics of Mechanisms from the Time of Watt There has been in Germany a thread of continuity in the kinematics of mechanisms since the time of Reuleaux. Kinematics of Mechanisms from the Time of Watt The following list of additional reference material on kinematics may be of help to readers who desire to do independent research. Kinematics of Mechanisms from the Time of Watt |
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