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diffusion造句
241. The characteristics of so - called silicon diffusion layer were analyzed through EPMA and hardness test. 242. The research indicates, interpersonal diffusion is main channel of agricultural science and technology diffusion. 243. The invention of the printing press announced the diffusion of knowledge. 244. The process of knowledge diffusion is influenced by learning capacity of knowledge receptors, reputation of knowledge disseminator, conditions of communication between members, etc. 245. For low carrier - gas velocities the HETP may become large owing to molecular diffusion effects. 246. Beneath the diffusion membrane lies the oxygen sensing element cathode - with a surface area almost 4 cm 2. 247. Acrylic sub-coating substrate, high transmission, low haze; Used for diffusion of backlit under LCD. 248. The utility model relates to a jet pump with an intake bent pipe, which is mainly composed of a nozzle, an intake chamber, a mixing chamber and a diffusion chamber. 249. Objective : To evaluate the effect of diffusion - weighting imaging in diagnosis of epidermoid cyst. 250. The skin's outer layer of dead cells—the stratum corneum —is a good barrier, so it controls the diffusion rate. 251. This phenomenon , peculiar to the two - dimensional wave motion, is sometimes called diffusion. 252. As a result, huge and expensive gaseous diffusion plants have been built to enrich the uranium. 253. "The auditory area of her brain started taking over the somatosensory area, " says Ro, who used diffusion tensor imaging, which focuses on the brain's white matter connections, to spot the change. 254. When a silk painting is created, images of natural diffusion are observed and amazing textural effects often appear when a drop of dye falls onto silk. 255. Initial value as a problem of convection diffusion equation can be solved by applying fine integral of single inner point subdomains. 256. Red blood cell with a biconcave disc shape is to provide a large surface area to volume ratio to facilitate the diffusion of gases. 257. Objective To explore the value of diffusion weighed imaging (DWI) and perfusion weighted imaging (PWI) in the diagnosis of the ischemic penumbra (IP) of superacute infarction. 258. High efficiency cells must have a diffusion length larger than the cell thickness. 259. The ambipolar diffusion coefficient of charged copper species in copper vapor laser is theoretically deduced. 260. The Green's function in Cartesian geometry can be used to replace the complex Green's function in cylindrical geometry when solving the neutron diffusion equation in cylindrical geometry. 261. The storage dynamics in doped lithium niobate are studied. It gives that the equations of the migration of charges is due to diffusion or drift and photovoltaic effect. 262. Squeeze casting of an LY12 (2024) alloy was carried out to investigate the effect of applied pressure and followed diffusion annealing on microsegregation in the alloy.