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211. Two-bearing units have several advantages over the more conventional arrangements where two self-aligning ball bearings or two spherical roller bearings are mounted in separate plummer block housings.

212. Homogeneous spherical elastic earth model is the first approximation of the real earth in the approach to study the earth tide, this paper gives a numerical .

213. In reality the earth is not exactly spherical but rather shaped somewhat like a flattened ellipsoid.

214. Bulb-like base of the new nutrition taproot apical root, then gradually after the autumn of mast storage root formation of spherical and thus the formation of new bulbs.

215. An isometric mesh on the concave of a spherical substrate was formed by latitude line intersection each other, in which latitude lines was generated by a concentric optical scanning method.

216. In this paper the barotropic vorticity equation, expanded with spherical harmonics is integrated.

217. Only discrete wavelengths of matter waves may resonate within the spherical volume of a hydrogen atom.

218. The overall control and test technology for spherical radius of curvature, central thickness, surface accuracy anddecentring error of lenses have been discussed.

219. The theoretical analysis of spherical bearing, the process of finite element method and theoretical static performance are presented.

220. The nuclei are 5 mm in diameter, spherical or semispherical in shape.

221. DQ-1 catalyst is a high activity catalyst for propylene polymerization and co-polymerization. It is completely spherical with high stereoregularity, and high sensitivity towards hydrogen regulation.

222. Spherical micrometer-size copper particles were synthesized by chemical reduction of cuprammonia sulfate solution with ascorbic acid as reducing agent.

223. Using a semi-analytical method, the nonlinear stability of a spherical shallow shell under centrally distributed and concentrated loads is investigated in this paper.

224. A technique for measuring the parallelism of opaque object based on the principle of spherical wave interference is discussed.

225. The dependent variables are expanded in series of spherical harmonics truncated rhomboidally at wavenumber 15.

226. This single-seater was powered by two hydrogen peroxide rocket engines mounted one at each blade tip, and fuel was stored in two spherical tanks situated to the right and left of the pilot.

227. Beyond the orbit of Neptune one finds the disk-shaped Kuiper belt, in which dwarf planet Pluto resides, and far beyond that is the giant, spherical Oort Cloud and the teardrop-shaped heliopause.

228. Based on the stereographic projection that preserves Pythagorean-Hodographs, a spherical rational PH curve is constructed to solve this problem.

229. For monolayer and two-layer spherical critical problem and for monolayer noncritical problem, the application by this approach gives the corresponding solutions and satisfactory numerical results.

230. The invention discloses a connecting mechanism of sealed insulation pipelines, comprising a straight-through joint, an insulation cap, a spherical joint, an insulation sleeve ring and a cap nut.

231. Long-period comets are thought to come from the nearly spherical Oort cloud even further out, which get slung inward by the gravitational pull of passing stars.

232. A method for testing meonochromatic focal length of spherical lens using joint Fourier transform spectrum interference technique is given in this paper.

233. The main contents are:(1) The recording and numerical reconstruction of lensless Fourier hologram are analyzed by spherical wave theory.

234. The rollers of these bearings are of spherical shape, and the spherical raceway washer is selfaligned.

235. Our main products include deep groove ball bearings, thrust ball bearings, wheel bearings, clutch bearings, spherical bearing.

236. The solubility of substance in non-solvent effect on the preparation, the lower solubility is helpful to obtain lower size, weak aggregation, spherical particles.

237. In cells with dense protoplasm, plasmalemma appeared undulated but occasionally spherical and variable in size with conspicuous invaginations that projected into the peripheral cytoplasm.

237. Wish you will love sentencedict.com and make progress everyday!

238. This paper describes the calculation of hot forming force for spherical head used in pressure vessel.

239. By application the reliability design methods, the static strength of pressure spherical vessel is analyzed.

240. In addition, the ray effect in the spherical harmonics approximation mitigates with increasing optical thickness within gray medium.