离心的

Urine samples were first precipitated with trichloroacetic acid, then centrifuged at 12000 r/min for 15 min at 4 ℃, and finally added with NaOH to neutralize the supernatant.

尿标本经三氯乙酸处理，在4 ℃下，以12000 r/min的速率离心15 min，上清液用碱中和后，取30 μL直接进样。

Interactions and applications between gold nanoparticles and proteinsThe AuCl_3 solution was reduced by trisodium citrate under vigorous stirring at boiling for 15 min and cooled to ambient temperature.

在搅拌过程中缓慢加入修饰剂硫辛酸，冷却至室温后离心、洗涤、定容，再加入嗅标记蛋白OMP，在37℃条件下水浴8h，可制得与OMP结合的金纳米颗粒。

According to these mentioned above, it can be concluded that there are 4 types of accumulation model in west slope region, that is, sandstone up-dip trap, structure and structure—lithology trap, fault—lithology trap, sandstone lenticular body trap, and that oil-gas accumulation and distribution are mainly controlled by some factors that is trap growth, relationship of between trap and space orientation of oil-gas migration pathway, connection area of centripetal flow and centrifugal flow, oil-gas preservation condition and unconformability.

在上述基础上，总结出西斜坡区运聚成藏模式主要有砂岩上倾尖灭圈闭油气运聚成藏模式、构造及构造-岩性圈闭油气运聚成藏模式、断层-岩性圈闭油气运聚成藏模式、砂岩透镜体圈闭油气运聚成藏模式4 种模式。在上述基础上，总结出油气成藏与分布主要受圈闭发育、圈闭与油气运移路径空间位置关系、向心流与离心流交汇区、油气保存条件和不整合因素的控制。

In the paper the time marching method is used to solve the control equations and a computational analysis of the flow field in a unshrouded impeller is presented.

中文摘要：本文利用数值计算方法对一带分流叶片的离心压气机工作轮内部三维粘性流场进行了数值模拟。

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。

Secondly, a plenum chamber model is added at the vaneless diffuser outlet to simulate the rotating stall flow phenomenon inside the centrifugal compressor.

然后引入出口气腔模型，模拟离心压缩机内的旋转失速流动。

This paper studies numerically the influence of the tip clearance on the three-dimensional viscous flowfield and performance of the NASA Low-Speed Centrifugal Compressor impeller with a vaneless diffuser. A three-dimensional viscous code developed by the authors is applied with several acceleration methods: local time-step, multigrid and residual smoothing.

通过求解N-S方程，数值研究了叶顶间隙对NASA低速大尺度离心压缩机三维粘性流场及气动性能的影响，在计算程序中采用了当地时间步长、多重网格以及隐式参差光顺来进行加速。

The equilibrium geometry,force constants and vibronic frequencies of the SiO2 molecule with linear structure have been optimized by using the Gaussian03 with B3P86/cc-PVTZ; The total internal partition sums were calculated for silicon dioxide with the product approximation. For rotational partition sums Qrot, the centrifugal distortion corrections are under consideration.

应用Gaussian03程序，在B3P86/cc-PVTZ水平上，对二氧化硅分子线性结构进行优化计算，得出其平衡几何构型、力常数和谐振频率等性质参数；采用乘积近似法构建模型计算了二氧化硅分子从20-6000K的总配分函数，其中转动配分函数考虑了离心扭曲修正，振动配分函数采用谐振子近似。

The medium is then centrifuged and made up as a dust or wettable powder for application to plants.

然后把培养基离心并制成植物用的粉末或湿粉末。

Today you will be whizzing around at high speed, doing all sorts of things in a very lively way.

今天你将做高速离心运动，以活跃的方式做着各种事情。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。