单级

The activities of nitrosification and anaerobic ammonium oxidation of both activated sludge and biofilm also were studied. Results showed that the nitrosification rate of activated sludge was 2.89 times than biofilm. AOB was the dominate bacteria in activated sludge.

单级自养脱氮系统中的活性污泥及生物膜样品均具有亚硝化活性，其中活性污泥最大比氨氧化速率为0.234mgN/mgVSS·d，生物膜为0.081mgN/mgVSS·d，活性污泥亚硝化活性是生物膜的2.89倍左右。

Today, in the foreign intelligent artificial leg, the executive mechanism which controls the bent and stretch"s movement of knuckle and the pendular movement of calf is a single air cylinder. In the air cylinder, there is a throttle, the cylinder"s damp can be adjusted by controlling the opening of the throttle valve, when the air cylinders damp changes, the pendular speed of calf will change too.

目前，在国外研制成功的智能人工腿中，控制膝关节屈伸运动及小腿摆动的执行机构是一个单级空压气缸，其内有一个针阀，通过调节针阀的开度可控制气缸阻尼，从而控制小腿摆动的速度。

However, remains fluid and pumpable down to -15 C whereas an SAE 40 grade may become excessively thick at these temperature s.

不过，它在-15摄氏度下仍然保持流动状态，能够进行泵送操作，相比之下，在同一温度的SAE 40单级润滑油就会变得过于粘稠，无法使用了。

However, remains fluid and pumpable down to -15 C whereas an SAE 40 grade may become excessively thick at these temperatures.

不过，它在-15摄氏度下仍然保持流动状态，能够进行泵送操作，相比之下，在同一温度的SAE 40单级润滑油就会变得过于粘稠，无法使用了。

Single-rotational inverted pendulum RIP is a representatively nonlinear unstable object and physical model with broad application fields .

单级旋转倒立摆系统是一种典型的非线性，不稳定的控制对象和广泛应用的物理模型。

Single-rotational inserted pendulum RIP is a representatively nonlinear unstable object and physical model with broad application fields .

单级旋转倒立摆系统是一种典型的非线性，不稳定的控制对象和广泛应用的物理模型。

The saturation time of saturable pulsed transformer and magnetic switch are 47μs and 1.4μs.

实验和仿真结果表明，设计的单级磁开关脉冲压缩系统满足预期指标。

Results show this new-inlet hydrocyclone has original sides on liquid spin-making and stabilize its flow field. Moreover this gradual contraction inlet may translate some pressure energy of liquid into kinetic energy and increase circumrotate speed. These play active actions on improving separation efficiency. Moreover, the uniflow hydrocyclone has the traits of big capacity, low pressure drop and a little low separation efficiency in contrast to the returned flow hydrocyclone. This hydrocyclone system has the higher separation property in contrast to the single-level hydrocyclone.

实验结果表明：这种新型入口结构水力旋流器在流体的导旋方面具有独到之处，能很好的形成稳定的流场；同时这种渐缩式入口方式，可将来液的一部分压能逐渐转化为动能，提高了旋流速度，对提高分离效率起到积极作用；采用新型入口的直流式水力旋流器比返流式水力旋流器压降低，处理量大且分离效率略低；组成返流式水力旋流器串联系统相对于单级水力旋流器具有更高的分离性能。

In the present study, the experimental and numerical investigation is carried out at an outward volute of circular cross section cooperating with a centrifugal impeller and a vaned diffuser.

本文对一个包含叶轮、有叶扩压器和蜗壳的单级离心压缩机进行了实验和数值研究。

In the basis of comparing the developing projects on the optical interconnection networks, combining with the actual probability of realization, we proposed the scheme of free space optical crossbar interconnection network using spatial light modulator . This interconnect structure is the most powerful single level interconnect network with the characteristics of reconfiguration and non-blocking. It can achieve arbitrary point-to-point link. Even more has it the ability of broadcasting and funnelling.

在比较现有的光互连方案的基础上，结合具体的可实现性，本文提出了使用空间光调制器的自由空间光学交叉开关互连网络的方案，这种互连结构是功能最强的单级互连网络，具有可重构性和非阻塞性，不仅能实现任意点到点的连接，还具有广播和汇集的能力。

We have no common name for a mime of Sophron or Xenarchus and a Socratic Conversation; and we should still be without one even if the imitation in the two instances were in trimeters or elegiacs or some other kind of verse--though it is the way with people to tack on 'poet' to the name of a metre, and talk of elegiac-poets and epic-poets, thinking that they call them poets not by reason of the imitative nature of their work, but indiscriminately by reason of the metre they write in.

索夫农 、森那库斯和苏格拉底式的对话采用的模仿没有一个公共的名称；三音步诗、挽歌体或其他类型的诗的模仿也没有——人们把&诗人&这一名词和格律名称结合到一起，称之为挽歌体诗人或者史诗诗人，他们被称为诗人，似乎只是因为遵守格律写作，而非他们作品的模仿本质。

The relationship between communicative competence and grammar teaching should be that of the ends and the means.

交际能力和语法的关系应该是目标与途径的关系。