参数曲线

METHODS The residual concentrations of sodium formaldehyde sulfoxylate in the solutions were determined by iodimetry, the datas were fitted by linear regressions and then ...

在高精度电热恒温箱中在不断通入空气或医用纯氧的情况下，采用碘量法测定甲醛合次硫酸氢钠在水溶液中不同时刻的浓度，作出降解曲线，将测得的数据进行降解动力学方程的拟合并获得动力学参数，并计算反应速率常数。

Based on this principle, the mathematical model of an exothermic reactor is established to caculate Exothermic reator length L corresponding to reation temperature T, reation temperature T corresponding to ammonia mole fraction y and the average internal reactor wall temperature Tave corresponding to exergy output Enet and thermal power output Q. The curves of L-T, T-y, Q/Enet –Tave are drawn with the caculated date which can directly reflect the influence of reactor inlet gas temperature and reactant flow rate on ammonia synthesis reaction for the reactor under the conditions of definite design pressure and hydrogen/nitrogen ratio. Furthermore, the design parameters to realize maximum exergy output and thermal output are presented.

文章分析了储能体系的选择，介绍了氨基热化学储能的基本原理，在此基础上建立了放热反应器的数学模型，计算和绘制出了L-T、T-y以及热量和佣输出与反应器内壁平均温度之间的关系曲线，直观地反映了在一定的设计压力和氢氮比条件下，进气温度和进气流率对放热反应的影响，给出了实现佣最优化和热能最优化的操作参数。

By using microcalorimetric method, the growth thermogenetic curves of Rhizopus nigricans inhibited by four kinds of heavy metal ions are determined, parameters such as growth rate constants k, inhibitory ratio I, and half inhibitory concentration IC 50 etc.

用微量热法测定了Cu~(2+)，Cd~(2+)，Hg~(2+)，Pb~(2+)等四种重金属离子对黑根霉菌生长抑制的产热曲线，得到了黑根霉菌在不同条件下的生长速率常数k，抑制率I，半抑制浓度IC_(50)等参数。

The power-time curves of E.coli reacting with Co-SG at different temperature has been determined by microcalorimtric method The multiplication rate constant k, generation time G,bacterial growth inhibition ratio I,total thermogenetic quantity Q, the heat quantity of a single bacterium Q_(0) and the heat quantity of a single bacterium per minute have also been calculated according to the power-time curves.

用微量热法测定了大肠杆菌及其在Co -SG配合物作用下的热谱曲线，计算了速率常数k ，传代时间G、抑制I、总产热量Q、单个细菌的产热量Q0 和每分钟单个细菌的产热量 Q0 ，建立了部分代谢参数之间的关系，探讨了大肠杆菌在不同温度和Co -SG作用下的代谢抑制，发现可用t、tr、tg和 Q0 定量表征在不同温度下大肠杆菌的生长代谢和药物的抗菌活性。

In the process of modeling, thermotical character and mechanical character of centrifugal compressor are emphased.

在建模过程中，重点对离心式压缩机的热力特性和机械特性做了较深入的研究，其中热力特性着重于离心式压缩机中的气流在各个关键截面参数和特性曲线，机械特性着重于压缩机转子轴系的振动和轴向力。

Parameter estimation method is adopted to get the effective diffusion coefficient from experimetal data,thus the tortuosity factor can be obtained.

在单颗粒串联的色谱柱中，采用示踪气体脉冲讯号输入一响应的动态法，由计算机自动采样分析应答曲线，通过参数估值得到气体在 ZA- 5氨合成催化剂中的有效扩散系数，进而得到曲折因子。

The experimental method are established to determine the tortuosity factor. The SPSR method and the computer system are used to get the one-step origin quadrature and the two-step center quadrature. Parameter evaluation is also used to calculate the tortuosity factor.

本文建立了催化剂曲折因子的实验测定装置，用SPSR法，应用计算机采样系统，得到脉冲应答曲线的一阶原点矩和二阶中心矩，结合参数估计的方法，计算了XNC-98甲醇合成催化剂的曲折因子。

The two transpolar shortwave time signal circuits,Moscow and Irkutsk to the Great Wall Station in Antarctica, are used to study the fading characters for shortwave long circuit.

为了研究过极区的短波长电路的衰落特性，在南极长城站收测莫斯科、依尔库茨克的短波授时台信号，并给出各频率对应的衰落深度、衰落率、衰落平均持续时间等参数的统计特征和衰落幅度分布曲线。

PVA removing process is optimized by orthogonal test, and by use of analysis of variance method, factors which affect PVA removing result and the final quality of fabric are also studied. The PVA removing process is optimized. Comparing with twist woven plain fabric whose woven parameters are same to corresponding twistless fabric, properties of twistless woven fabric including breaking strength, tear strength, flex abrasion, air permeability, water vapour transmission, pilling resistance, drape, dimensional stability, wicking, and dyeing uptake are tested.

无捻纱机织物与有捻纱机织物(文中所提到的这两种织物的织物密度、纱线的号数等织造参数相同)的对比试验是本文的又一重点，本文通过对比试验，测试了织物的拉伸性能、撕破性能、顶破性能、耐磨性能、外观保持性、悬垂性、刚柔性、透气性、透水性、芯吸性能，绘出了上染速率曲线等，得到了大量的对比数据，并以数据为基础进行了分析，得出结论为：无捻纱织物具有良好的透湿、保暖、吸湿性能以及柔软的手感和较高的覆盖率，这些都证明了无捻纱机织物有良好的舒适性。

This paper introduced a new way to pressure prediction in undrilled formation by means of extrapolating sonic logging using artificial neural network while combining halfway log data with seismic data.

本文提出一种利用中途测井资料，结合地震信息，通过地震特征参数提取并用神经网络技术建立地震与测井之间的关系和外推井底以下声波曲线，进而预测未钻达地层压力的新方法。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。