Results 101 to 110 of about 74,755 (196)
GUNBARA, Hiroshi, SHIMACHI, Shigeyuki
openaire +2 more sources
用坐标测量的方法实现了平面包络环面蜗杆齿形偏差的测量,提出了由齿形偏差的测量结果诊断蜗杆加工时机床工具的调整误差,并据诊断结果修正机床工具的调整参数,从而提高蜗杆制造精度的方法.加工测量的实验表明本文方法十分有效。
秦大同, 颜佳, 张光辉
doaj
Tooth Contact Analysis of the Hourglass Worm Gearing
Minoru MAKI +3 more
openaire +2 more sources
The hourglass organization of the Caenorhabditis elegans connectome. [PDF]
Sabrin KM +3 more
europepmc +1 more source
The Test on Friction and Wear of Material for Rolling Cone Enveloping Hourglass Worm Pair
本文在滚动和滚动兼滑动的运动状态下,通过对不同材料的滚子分别与38CrMoAl(蜗杆材料)滚子进行摩擦磨损对比试验,为锥包络环面蜗轮副中的蜗轮滚锥材料选择提供了依据。
王进戈, 向中凡, 戴跃洪, 邓明
doaj
二次包络蜗轮副是一种新型的蜗轮蜗杆传动副,目前仍没有适用的润滑油.为研制其润滑油,本文选用传统的硫型抗磨添加剂、自制的有机铜抗磨剂和有机硼抗磨剂,在HQ-1型摩擦磨损试验机上与蜗轮副材料进行配伍性研究,测出P—V曲线;在滚滑两用摩擦磨损试验机上测出与蜗轮副材料配合时的胶合温度;在MQ—800型四球机上测出磨损系数,结果表明:有机铜抗磨添加剂和有机硼抗磨添加剂对蜗轮副显示出较好的减摩、抗磨和抗胶合性能,传统的硫型抗磨添加剂不适合蜗轮副 ...
蒋松 +4 more
doaj
Cross-species comparisons and <i>in vitro</i> models to study tempo in development and homeostasis. [PDF]
Rayon T, Briscoe J.
europepmc +1 more source
Formate dehydrogenases and hydrogenases in syntrophic propionate-oxidizing communities : gene analysis and transcritional profiling [PDF]
Many places on earth are without oxygen (anaerobic) such as rice paddy fields, swamps and sediments of freshwater lakes and oceans. When oxygen, nitrate or other electron acceptors are not present, organic material is degraded to carbon dioxide and ...
Worm, P.
core
Ptychographic X-ray tomography reveals additive zoning in nanocomposite single crystals. [PDF]
Ihli J +10 more
europepmc +1 more source
An hourglass circuit motif transforms a motor program via subcellularly localized muscle calcium signaling and contraction. [PDF]
Sando SR, Bhatla N, Lee EL, Horvitz HR.
europepmc +1 more source

