碾

For Megnesia RCC, AVS of the group with additive magnesia is smaller than that of without additive magnesia.

对于氧化镁碾压混凝土，外掺氧化镁碾压混凝土的自变相对于不外掺氧化镁碾压混凝土的收缩变形小，强度稍有提高。

In this paper, the construction technique of mixed backfill such as inspection, spread , and grinding etc.

分析了沥青混合料摊铺特征和碾压规律，以及不同摊铺方向和不同碾压振动方向时路面的受力状况，指出了摊铺方向和碾压振动方向对沥青路面路用性能的影响。

A new technology is put forward which uses weld with trailing impactive rolling to control the welding stress and distortion of thin component and to prevent welding hot cracking.

提出了随焊冲击碾压控制薄壁构件焊接应力变形、防止焊接热裂纹的新方法，其原理为：通过前后冲击碾压轮，分别对焊后尚处于高温状态的焊趾和焊缝区金属施加一定频率的冲击碾压力

In this paper, the granule characteristics of limestone powder and the influence of stone powder content on the properties of RCC in Longtan Hydropower Station were studied, it was found that the workability of RCC would not be affected if replacing a part of fly ash with stone powder, but the compressive strength of RCC would decreased slightly.

为此，结合龙滩工程大坝碾压混凝土的特点，研究了石灰岩石粉的颗粒特性以及石粉含量对碾压混凝土性能的影响，发现用石粉取代部分粉煤灰不影响碾压混凝土的工作性，仅会使碾压混凝土抗压强度轻微下降。

This damage criterion reflects the character of RCC, and shows that stress degree of RCC damage decreasing with heat current density vector and temperature gradient augmenting. If this process of RCC damage is in constant temperature, the damage completely depends on stress degree, which accords with the result of experiment.

结果 碾压混凝土热耗散和损伤耗散累积到一定程度时，损伤破坏就会发生，且随着热流密度矢量和温度梯度增大，碾压混凝土发生损伤破坏的应力水平将降低，如碾压混凝土是一个等温变化过程，则损伤完全取决于应力水平。

In the paper, The author has designed a kind of vertical abrasive rice whitener which can produce rice with germ, several working parameters has been optimized, The experimental results are satisfactory.

本文介绍了一种将研削机理应用于碾米机的设计之中，设计出一种立式研削式碾米机，对碾米机的主要工作参数进行了优化，试验结果表明，对于提高大米留胚，效果良好。

The mechanism of RCC''s metamorphism is expatiate on the hiberarchy of the applying theories and the designed method of the mixed ratio of the cement grout enriched RCC was put forward by studing on the correlativity of grout materials involved in the vibration-diffusion mechanism, the mixed ratio, the cement grout enriched RCC and RCC etc. The durability of antifreezing of the cement grout enriched RCC is enhanced by the improvement and optimization of grout materials.

中文摘要：通过对变态浆材在碾压混凝土中的振动扩散机理，变态浆材掺加量、变态混凝土和碾压混凝土的关联性等的研究，在应用理论基础层次上阐明碾压混凝土变态的机理，提出变态混凝土的配合比设计方法；通过对变态浆材的改性和优化研究，提高变态混凝土的抗冻耐久性。

According to pressing dispersed features of debris cobbles mixture,it researches deeply on relationships between dry density and grinding rates or grinding times.

针对砂砾卵石混合料压实特性离散的特点，对其干密度与碾压速度的关系、干密度与碾压遍数的关系进行了深入的压实研究，通过对碾压前、碾压4遍、碾压6遍的筛分试验，对到粗粒填料压实前后的粒度成分的变化规律进行了研究。

On the basis of hypothesis and experiment on the single rice miller,by graphical construction or analytical method,the rice milling craft characteristic chart can be mapped out,then,broken rice rates of different kind of rough rice,and under different milling crafts and op.

为了降低碾米的碎米率，应当根据稻谷原料性质及碎米率的预测，合理制定碾米工艺和调整操作基于假设和通过单机碾米试验，可用作图法或解析法绘制碾米工艺特性图，据此可以预测各种稻谷原料在不同碾米工艺和操作条件下的碎米率。

The broken rice rates and white rice yields in the rice milling process for the same raw material were investigated and compared. The results show that the data from rice mill and from lab are comparable.

既往的对碾米过程的碎米发生的研究〔3- 7〕，或是对生产实际碾米工艺和设备的考察；或是在实验室进行碾米工艺试验，由于不同场合的稻谷材料和碾米设备不同，试验检测数据的可比性和结果的普遍性需要进一步验证。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。