根据实验的

In the process of magnetic field analysis,magnetic field method and unequally spaced net finite difference method are used to obtain accurate data.

根据分析计算的结果，对磁流体密封进行了优化设计和实验验证，优化设计出的装置体积和重量降低了 50 %以上。

Under conditions of large unit cell, Fermi sphere approximation is unsuitable and form factors must be modified with Penn's model.

我根据这些材料特点，采用了不同的形式因子，得到收敛的计算结果，这些计算结果与实验结果非常吻合。

Based on the optoelectronics theory, the experiment device is designed, which is composed of pulse generator, LD light source, 1×3DQ, adjustable CTB, testing optic fiber, intervening light filters, fast micro-light watt-meter and data analysis system. The technology of optic fiber Raman scattering is analyzed for its application to temperature testing of railway engineering.

根据光电子理论，设计由脉冲发生器、LD光源、1×3路双工器、可控恒温槽、光纤、干涉型波分复用器、快速微光功率计和数据采集分析系统组成的实验装置，进行光纤喇曼散射技术用于铁道工程构筑物温度的监测研究。

Harbin 150001, China）Abstract: Based on the mould features, the fluid mechanics models were founded. Integrating with the finite element method, the hydro-mechanical deep drawing of alumite LF6 was simulated. The alumite LF6 was formed by hydro-mechanical deep drawing, and the reasonable process parameters were obtained.

摘 要：根据模具几何特征，通过建立流体力学模型描述液体对板料单元的动态影响，结合有限元数值模拟技术对塑性差、难成形材料防锈铝LF6的充液拉深进行数值模拟，并进行实验研究，得到了防锈铝充液拉深合理工艺参数。

Based on the mould features, the fluid mechanics mode ls were founded. Integrating with the finite element method, the hydro-mechanical deep drawing of alumite LF6 was simulated. The alumite LF6 was formed by hydro -mechanical deep drawing, and the reasonable process parameters were obtained.

根据模具几何特征，通过建立流体力学模型描述液体对板料单元的动态影响，结合有限元数值模拟技术对塑性差、难成形材料防锈铝LF6的充液拉深进行数值模拟，并进行实验研究，得到了防锈铝充液拉深合理工艺参数。

Usage: Before using this defoamer, the user shall test the defoamer according to actual condition so as to confirm the compatibility of the defoamer and the system for antifoaming.

用 法：在使用本消泡剂前，用户要根据实际情况进行实验，确认消泡剂和待消泡体系的配伍性，只有相互匹配的体系，才可以使用本产品；使用时，建议先用水或待处理介质将消泡剂稀释均匀后再加到体系之中，也可直接加入。

Exposure ecological risks of benzo pyrene to species in water, soil and sediment were investigated based on distributions of concentrations derived from the modeling and acute toxicity data for tested species from literature.

将根据上述研究得到的各环境介质暴露浓度分布及该化合物对实验生物急性毒性数据分析了苯并芘在天津污灌区水体、土壤和沉积物三种环境介质中的生态风险性。

First, removing protein by Sevage method. According to literature, it had best efficiency when polysaccharide liquid 2mg·mL~(-1) was treated with chloroform: n-butanol (3:1) and repeated for 3 times. Second, moving pigment with H_2O_2. In order to shorten the time and prevent the broken of structure of polysaccharide, the experiment was operated at 37℃. The following were dialyzation, concentration(60℃) and freeze-drying.

首先Sevage法除蛋白，根据文献，确定氯仿：正丁醇为3：1，多糖浓度2mg·mL~(-1)时，重复三次，除蛋白效果最佳；脱色采用了双氧水氧化法，为加快脱色时间，又要避免双氧水对多糖结构的破坏，实验在37℃下进行；透析、浓缩、干燥过程同样为了保证多糖结构的完整性和提取后物质疏松易溶解，先透析，然后60℃浓缩，最后是冷冻干燥。

DSC and dilatometry were carried out to determine the phase transformation temperature of a high speed steel used for centrifugal cast rolls.

采用差式扫描量热法及热膨胀法测定了离心铸造轧辊用高速钢的相变点，根据高速钢的临界转变温度，进行了退火、淬火和回火实验。

Moreover, an experiential formula for predicting the possibilities of etch film formation in the negative half-cycle of ac has been driven from the principle of mass transfer in HCl solutions. Finally, a mechanism of ac etching for aluminum foil in HCl and a theoretical rule for choosing electroetching conditions were suggested on the results.

在此基础上，提出了铝在交流负半周发生的四种变化，以及交流腐蚀扩面机理，根据这一机理，提出了铝箔的交流腐蚀工艺优化原则，并用实验对这一原则进行了初步验证。

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。