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A total of 20 groups of meiofauna in the Southern Yellow Sea: Nematoda, Copepoda, Polychaeta, Kinorhyncha, Bivalvia, Ostracoda, Amphipoda, Tanaidacea, Isopoda, Cumacea, Gastropoda, Gastrotricha, Halacaroidea, nectochaeta, Amphiura, Nemertina, Insecta, Priapulida, Turbellaria and others were identified.

共鉴定出自由生活线虫、底栖桡足类、多毛类、动吻类、双壳类、介形类、端足类、异足类、等足类、涟虫类、腹足类、腹毛类、海螨类、疣足幼体、蛇尾类、纽虫类、昆虫类、曳鳃动物、涡虫类和其它类等20个小型底栖动物类群,小型底栖动物的平均丰度为(1186.12±486.07)ind.10cm~(-2),其中海洋线虫占绝对优势,其平均丰度为(1063.97±469.98)ind.10cm~(-2),占小型动物总丰度的89.702%;其次是底栖桡足类,占4.193%。

In view of a class of nonlinear singular perturbed system which can be typically evolved into two time scales, a Composed control law for trajectory maneuver is researched by applying feedback linearization, in two steps, to inner loop and outer loop.

对于一类具有典型双时标特性的非线性奇异摄动系统,应用反馈线性化理论分内环控制和外环控制两步进行了轨道机动的组合控制规律设计。

In view of a class of nonlinear singular perturbed system which can be typically evolved into two time scales, a Composed control law for trajectory maneuver is researched by applying feedback linearization, in two step, to inner loop and outer loop.

对于一类具有典型双时标特性的非线性奇异摄动系统,应用反馈线性化理论分内环控制和外环控制两步进行了轨道机动的组合控制规律设计。

METHODS: A single oral dose of 40 mg rabeprazole capsules or tablet was given to 18 healthy male volunteers in double alterrative periode for an open randomized cross-over test.

18名男性健康志愿者随机分2组,按双周期交叉口服雷贝拉唑的2种制剂,剂量40mg,用高效液相色谱法测定给药后不同时间点血浆中雷贝拉唑的浓度,计算2种制剂药动学参数和相对生物利用度,并评价其生物等效性。

By utilizing the method of Schlieren system, interfacial turbulence of convective structure in desorption of ethanol from water was observed and quantitatively analyzed.

采用光学纹影系统对乙醇和水双组分解吸传质过程的对流结构的界面湍动进行了定性观察和定量分析。

Based on rate equations, by use of a new method, a semiconductor optical amplifier theoretical model is constructed taking carrier density pulsation, spectral hole burning, stimulated emission, free carrier absorption, two-photon absorption and ultrafast nonlinear refraction effects into account.

基于速率方程采用新的推导方法得到了可以用来讨论飞秒量级光脉冲传输特性的半导体光放大器理论模型,该模型同时考虑载流子浓度脉动、光谱烧孔、受激辐射、自由载流子吸收、双光子吸收和超快非线性折射效应。

Various types of elevators, according to the drive system, the exchange two-speed elevators, escalators VVVF exchanges, exchange regulator speed elevators, because of its low cost.

电梯的种类多种多样,按拖动系统来分,有交流双速电梯,交流变频调速电梯,交流调压调速电梯,因为它的成本低。

Various types of elevators, according to the drive system, theexchange two-speed elevators, escalators VVVF exchanges, exchangeregulator speed elevators, because of its low cost.

摘要电梯的种类多种多样,按拖动系统来分,有交流双速电梯,交流变频调速电梯,交流调压调速电梯,因为它的成本低。

In this paper,a bi-mass model of metal V-belt type CVT system is established,and its dynamic characteristics have been studied in both theory and experiment.

本文建立了无级变速传动系统的双质量模型,从理论和试验两方面研究了金属带式无级变速竹动系统的动态特性。

In order to control the insufficient transition displacement of the long rail components to ensure the high regularity of turnout and its locking reliability, a transition design method for long rail components and double limb elastically bendable turnout frog structure was established using the finite element method, a new roller sliding platform was developed, and the transition traction point layout and stroke design were optimized.

为控制长大轨件转换不足位移,确保道岔的高平顺性和锁闭可靠性,运用有限单元法进行长大轨件及双肢弹性可弯心轨结构的转换设计,研制出新型辊轮滑床台,并优化了转换牵引点布置及其动程设计。

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Lugalbanda 是神和被崇拜了一千年多 Uruk古埃及喜克索王朝国王。

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