转速

The effects of cultivation conditions such as temperature, intial pH, and broth volume on the bioacitivities of the biotransformation products of EGB by Hericium erinaceus in shaking flask were further investigated.

在前期优化培养基的基础上，本实验比较了摇瓶的温度、pH、装液量和发酵罐培养的通气量、转速和培养时间等不同培养条件对猴头菌转化EGB生物活性的影响。

To improve the economy, larger bypass ratio has been adopted in the turbofan engine design, leading to a larger fan high, larger speed gap between HP and LP turbines, the meridian geometry of the engine will be excurvature at a high degree, which brings problem for the design of LP turbines, transition section between HP and LP turbines.

在现代高性能的航空涡扇发动机设计中，为了提高经济性，采用较大涵道比，导致风扇高度增加较大，高低压涡轮转速差距较大，高低压过渡段采用大子午扩张型线结构，给低压涡轮及过渡段气动设计带来较大的困难。

RESULTS: When the ratio of laser power to facular diameter was 2.7 kW/3 mm, the powder feeding speed was 90 r/min and the moving speed of numerical control machine was 5 mm/s, better H (826.61 μm) and W (3504.61 μm) were obtained.

结果： 在激光功率与光斑直径之比为2.7 kW/3 mm，送粉器转速为90 r/min和数控机床的运动速度为5 mm/s等参数下，TiZr粉末激光立体成形时具有较好的H和W，分别为826.61 μm和3504.61 μm。

RESULTS: When the ratio of laser power to facular diameter was 2.7 kW/3 mm, the powder feeding speed was 90 r/min and the moving speed of numerical control machine was 5 mm/s, H (826.61 μm) and W (3504.61 μm) were obtained.

结果： 在激光功率与光斑直径之比为2.7 kW/3 mm，送粉器转速为90 r/min和数控机床的运动速度为5 mm/s等参数下，TiZr粉末激光立体成形时具有较好的H和W，分别为826.61 μm和3504.61 μm。

RESULTS摘要: When the ratio of laser power to facular diameter was 2.7 kW/3 mm, the powder feeding speed was 90 r/min and the moving speed of numerical control machine was 5 mm/s, better H (826.61 μm) and W (3504.61 μm) were obtained.

结果摘要：在激光功率和光斑直径之比为2.7 kW/3 mm，送粉器转速为90 r/min和数控机床的运动速度为5 mm/s等参数下，TiZr粉末激光立体成形时具有较好的H和W，分别为826.61 μm和3504.61 μm。

The microstructure of Ti Zr alloy formed under this suitable technologic parameter matching was analyzed by scanning electron microscope. RESULTS: When the ratio of laser power to facular diameter was 2.7 kW/3 mm, the powder feeding speed was 90 r/min and the moving speed of numerical control machine was 5 mm/s, better H (826.61 μm) and W (3504.61 μm) were obtained.

结果： 在激光功率与光斑直径之比为2.7 kW/3 mm，送粉器转速为90 r/min和数控机床的运动速度为5 mm/s等参数下，Ti Zr粉末激光立体成形时具有较好的H和W，分别为826.61 μm和3504.61 μm。

The results showed that the higher peptides yield was 38.96mg/g on the conditions of 1% brown sugar power,initial pH7.5,temperature 30 ℃,rotational speed 180 r/min and the substrate 7%,which was fermented 48 h.The higher yield of free amino acids was 0.344% when ferme...

结果表明，发酵培养基碳源为红糖粉添加量1%，发酵初始pH 7.5，发酵温度30℃，转速180 r/min以及底物浓度7%，发酵48 h时多肽含量达到38.96 mg/g，当发酵时间持续到72 h可得到较多游离氨基酸，含量为0.344%发酵48 h发酵液的香味较好。

But changing scope of the output torque and rotate speed is finity , impossibly satisfying the actual need.

但由于自身的输出转矩和转速变化范围有限，不可能满足实际需求。

Based on the results, the outputpower, input power and mechanical efficiency were calculated, just as theexperimental data, all of which show that the bacterial flagellar motor is a highefficient micro motor of microorganisms.

通过对宏观的超声波电机的研究，仿真得出了鞭毛电机转速-转矩关系曲线，并基于仿真结果利用旋转动力学对输入功率、输出功率进行计算，得出了机械效率，结果表明鞭毛电机是一种效率较高的微电机。

The tribological behavior of the fluoborate nanoparticles as lubricating oil additive was evaluated by four-ball test machine,where test conditions are following: load 100～ 700 N,rotating speed 1 200 r/min,testing time 10 min.

借助TEM、XRD对表面修饰纳米氟硼酸盐微粒进行了表征，并利用四球摩擦试验机对其用作润滑油添加剂的摩擦学性能进行了评价，试验条件为载荷100~700N，转速1200r/min，时间10min。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐