研究试验

So the technology of introduction of exogenous DNA into tomato after pollination not only feasible within species but also feasible in over-distance hybridism and excellent gene can been transferred to the cultivate variety.

试验还选用野生种醋栗番茄作供体进行了远缘关系的分子杂交试验，以克服杨晓锋：对外源DNA导入番茄的研究远缘杂交不亲和性，将野生种抗病性强的优良性状转移到受体中来，重组优良基因培育新品种材料也获得了较为满意的效果。

In this study, the following studies have been carried out(1)Test on a typical MR damper employed in this study was carried out, Neural network model based a direct model and a inverse model were established. The performance of the models were cpmpared with the Bingham model and the hyperbolic tangent model. Results show that ANN model can describe the mechanical behavior of MR damper perfectly as a nonparmetric model.

本文主要进行了以下三个方面的工作：(1)对一种典型的磁流变阻尼器进行了性能试验，利用实验实测数据建立了阻尼器的Bingham模型、双曲正切模型两种参数模型以及基于神经网络的正向和逆向模型，对三种计算模型进行了仿真分析，并与试验结果进行对比研究，结果表明，神经网络模型比两种参数模型能更好地模拟阻尼器的动态性能。

In this paper, flume experiments on the formation of initial ice jam thickness and its varying mechanism were carried out, brought to light the relations between factors of initial ice jam thickness, flow condition and ice discharge etc..

本文通过水槽试验，对初始冰塞厚度的形成及变化机理进行了试验研究，揭示了初始冰塞厚度与水流条件和冰流量等因素间的相互关系。

His experiments were conducted in his home, using very primitive improvised equipment and small experimental animals.

他的研究工作是在家时进行的，试验用的是小动物，试验设备十分简陋。

The method of pourig syrup was used in making yellow sake from indica rice .

设计了比较试验及正交试验对应用喂浆法酿制籼米黄清酒的工艺进行分析研究。

We have paid the most attention on the experiment study of oil indraft performance.

4重点对人工水母试验装置模型的吸油特性进行了试验研究。

The problems just like interfere of flow fields, the match between the flux of input and output and the match between the principal axis rotation speed and fix placement of impellers, etc. By resolving the problems above, then the experiment of oil indraft performance has been done more easily.

解决了在人工水母试验装置壳体内部流场极其复杂条件下，流场相互干扰问题、进口流量与出口流量匹配问题、主轴转速与叶轮安装位置的匹配问题等，为人工水母装置吸油特性试验研究创造了条件。

For this reason, an optimal automatic timing control algorithm is proposed, that can restrain the switching frequency in a certain range to achieve the purpose of high efficiency and energy conservation. Taking such factors as inductive reactance at AC side, switching frequency, harmonic distortion rate and switching loss as well as the interaction among them into consideration, the formulas for inductive reactance and switching frequency are given; then by use of digital signal processor TMS320F2812, a prototype based on the proposed algorithm is implemented, and using this prototype the effectiveness and practicality of the proposed method are verified by experimental research and simulation.

文章提出了自动定时控制的优化算法，将开关频率限定在一定范围内，以达到高效节能的目的；综合考虑交流侧感抗、开关频率、谐波畸变率和开关损耗等指标，提出了主电路电感参数和开关频率的选择公式，并采用TMS320F2812数字信号处理器构造了试验样机，进行仿真和试验研究，其结果证明了该方法的有效性和实用性。

It contains cross-study of basic theories of multiple subjects like the inertia balance of variable-mass rotation body under the rotating of accelerating, uniform, decelerating and varying accelerated and resonance, patting, damping and lagging caused by its vibration.

壳桶合一洗衣机避振系统的研发，看似简单实则复杂，它涉及了圆周运动、摆动、动平衡、陀螺效应、流体力学；变质量旋转体在加速、匀速、减速、变加速的转动中的惯性平衡及其振动产生的共振、拍、阻尼、滞后等等多学科基础理论的交叉研究，还需要通过大量定性模拟试验与定量实体实验，并对试验结果进行分析、优选、论证以及对其可靠性的证实等长期复杂的科学研发过程。

This article mainly explains the safety principium of infectant factors in waste water vented by the paper making industry in China. Through the study on the experiment in open country and indoors with soil pole, indicating that it is a complicated process of biochemical degradation to form a layer, which has a biochemical capability to process COD degradation in polluted water from paper making industry.

综述我国造纸业污水中的污染因子危及地下水水质安全的机理，通过对野外试验和室内土柱试验的过程及结果进行分析研究，表明在包气带中形成一个以生物化学作用为主的生化层在造纸污水中COD降解是一个复杂的生物化学降解过程；生化层在天然状态下形成，由生物氧化带和生物氧化还原带形成，其形成过程具有明显的阶段性；只有当生物氧化还原带形成后，生化层才发育成熟，具备对COD降解的生化能力；生化层空间分布，仅局限在污水池、渠底部包气带中有垂向渗流的部分。

For a big chunk of credit-card losses; the number of filings (and thus charge-off rates) would be rising again, whether

年美国个人破产法的一个改动使得破产登记急速下降，而后引起了信用卡大规模的亏损。

Eph. 4:23 And that you be renewed in the spirit of your mind

弗四23 而在你们心思的灵里得以更新