helical造句
181. To discuss the diagnostic value of helical CT during arterial portography(CTAP) combined with hepatic arteriography in detection of hepatocellular carcinoma( HCC).
182. Based on the analysis of the helical spring dependent suspension, it is presented that the theoretical expression among the main parameters of the rear axle and the heeling angle stiffness.
183. The grinding wheel finishing device for the helical bevel gear grinding machine has simple structure, high rigidity, more stable finishing precision and high finishing efficiency.
184. Helical spring mass system (HSMS) is widely used in almost all of mechanical and electrical products due to its structure feature and elastic buffer ability.
185. The CT quality control phantom was employed to analyze the stair step artifact. Helical scan was done with different slice thickness, pitch, increment and phantom position.
186. Helical gears are used to transmit motion between parallel shafts.
187. A helical planetary set reduces transmission noise level by up to 10 dB.
188. In this paper, the trapping property of external helical gear pump was investigated in detail,[www.] and the tooth flank equation of helical gear pump without backlash was presented.
189. This paper chooses a normal mode helical antenna to replace the short dipole antenna to improve efficiency.
190. The design of highly efficient double-shaft screw mixer was introduced. The principle of double-shaft helical blade arrangement and the key parameters were investigated.
191. This method can also be applied to helical gear, bevel gear, worm wheel and worm.
192. The results showed that BK chromosomes reveal a multiple double strand helical structure.
193. Objective To explore the diagnostic value of helical CT multistage scanning in superior mesenteric vein (SMV) infarction.
194. Objective To analyse the normal helical CT appearances of the bronchial stump or anastomosis after pulmonectomy for central bronchial carcinoma.
195. The azimuthal phase term of the LG modes results in helical wave fronts. The phase variation along a closed path around the beam center is .
1234567