helix造句
121. The Double Helix Nebula is a gaseous nebula near the center of our galaxy.
122. Disigning coolant channel on the firebox of liquid rocket engine to loxodrome(equal-angle helix) groove can improve firebox coolant capability greatly.
123. The tiles are joined together by sticky ends on each helix.
124. This paper is based on the features of tooth profile and helix tolerance zone of transmission gears.
125. In order to represent Archimedes helix with control polygon, we construct Bernstein - like basis.
126. The structure characteristic of a type fly cutter suitable for manufacturing helix welding pipe are introduced.
127. Furthermore, the integral average of the field for the helix current over the spherical sample placed at center of the solenoid is equal to the center field.
127. Wish you can benefit fromand make progress everyday!
128. In order to get the high ball screw mechanical efficiency, one must choice the proper preload and the screw helix angle dependent upon on the axial load and the screw rotational speed.
129. The arithmetic for bending stress of DIGLST is presented after the coefficients of helix angle and contact lines are analyzed by 3-D FEM.
130. Introduced the Overall Structural design and the software, hardware realization method of measurement system of a "dynamic measuring apparatus for helix line error of precision ball screw".
131. Application and technology essentials of vacuum evaporation film used in power helix TWT are summarized.
132. The resulting double helix reduces friction and allows faster, easier lacing.
133. The influences of traction angle, coefficients of friction and helix angle on the flow rate of solids were discussed.
134. In the light of the helix theory, aromatic annulenes and non-aromatic annulcncs are all the mixture of the mesomer and raceme, so they haven't opticity activeity.
135. The beam-wave interaction in helix TWT has been computed and compared with space-charge field obtained by means of two kinds model of macro particles.
136. In the first place, a formula is proved for indicating a magnetic induction strength inside a long straight helix tube carrying current, with the tubes cross section in tetragonal N regular polygon.
137. In the design of crossed-helical gears, the minimum sliding velocity is obtained when the helix angle are equal.
138. Furthermore, the ratio of helix of mutation increased by circular dichroism measurements.
139. Helicases alternatively bind to and release their grip on DNA during replication, progressively moving along the helix to separate the strands in a motion similar to an inchworm's movement.
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