区

Mechanisms of heat affected zone liquation and liquation cracking in GH150 alloy were investigated by using varestraint test and hot ductility test in conjunction with the differential thermal analysis and optical, scanning electron microsopy. On heating,γ/C liquation take places in the HAZ above 1250℃. When the temperature reaches 1353- 1375℃, a large amount of liquid particles due to initial melting can be observed within the grains near the fusion boundary. On cooling,γ/C eutectic and γ/ Laves phase eutectic take place at 1273 and 1200℃ respectively.

采用可变拘束试验、热塑性试验、差热分析、光镜与扫描电镜观察，研究了GH150合金焊接热影响区液化及液化裂纹形成机制加热过程中温度高于1250℃的热影响区由于γ／C共晶产生液化，在温度达到1353℃（固相约至1375℃的近维区，晶内出现大量液化点冷却过程中温度在1273和1200℃时形成γ／C共晶和γ／Laves相共晶。

The results show that a difficult-sheared region exists in the vicinity of the inner corner of the die channel; a dead zone at the outer corner of the die channel and obvious uniform shear deformation at the middle region of sample during ECAE processing are formed. The less-sheared regions caused by friction resistance are observed at lower and top parts, which are symmetric and gradually extend to the inner part along the sample longness. The less-sheared region percentage increases with ECAE processing.

结果表明：挤压过程中试样在模具通道内角点附近形成难变形区；在模具通道外角点形成变形死区；试样的芯部变形比较均匀，为明显的剪切变形；受摩擦阻力的影响，试样顶部和底部均出现了滞变区，该区域呈轴对称分布且沿试样长度方向逐渐向试样芯部扩展；滞变区比例随挤压的进行而增大。

In addition, effects of weld heat input on microstructure and performance of the weldjoints are analyzed. The test results indicate that by controlling weld heat input about 16kJ/cm and practicingmulti-layer weld process, the coarse austenitic grains in the weld metal and lumpish ferrite in the heat affectedzone can be avoided so that the microstructure and performance of the weld joints can be ensured.

结果表明，采用多道焊焊接工艺，严格控制焊接线能量在16 kJ/cm左右，可以防止T91钢焊缝区奥氏体晶粒粗大，避免在热影响区出现块状铁素体组织，从而保证焊接接头区具有良好的组织性能。

objective to study the intensity of magnetic field on a special meridian magnetic applicaˉtion.methods a special meridian magnetic application is found the variations of the intensity of magnetic field when it is in vitro,nipped by fingers and stuck on skin of meridian and non-meridian.results the variation of the inˉtensity of magnetic field and the difference of the two poles have a statistical significance when the special meridian magnetic applicationon straight line and interval10mm compares to on other conditions above.conclusion owing to a definite directivity of the magnetic field gradient is produced when the magnetic application on the meridians,it is hopeful to carry out the effects of the tonic and vent by acupuncture.

目的 研究循经传感磁疗贴的磁场强度变化。方法一种特制的磁疗贴，在体外、指捏、敷贴于皮肤表面的经络走行和非经络走行区时所测得的磁场强度变化。结果当该磁疗贴直线排列，间隔10mm时，与单独磁疗贴的初始相比，磁场强度发生明显变化，且具有两极差异；敷贴于皮肤经络走行区，与体外及非经络走行区相比，磁场强度变化显著，尤其在手阴经的走行区域，具有显著的统计学意义。结论该磁疗贴在经络走行线上形成的磁场梯度，具有明确的方向性，有望实现针刺产生的补与泄的作用。

Districts: administrative districts: al-Gharblyan-al-Bahah, al-Madinah (Medina. or: al-Madinah), Makkah (Mecca, or: Makkah); al-Janublyeh-Asir, Jizan, Najran; Ash Shamaliyah-al-Jawi, al-Hudud ash-Shamaliyah (Northern Borders. Capital: Ar''ar), al-Qurayyat, Tabuk; ash-Sherqivah-ash-Shamaliyah, Wusta-Hail, al-Qasim, ar-Riyad (Ar-Riyad, Riyadh).

区：行政区：西区－巴哈、麦地那、麦加；南区－阿西尔、吉赞、奈季兰；北区－贾维、胡杜德－沙马利瓦、库拉雅特、泰布克；东区－东部区；中区－哈伊勒、盖西姆、利雅得。

Drilling of the jugular tuberculum is the key step for access to the central clival depression. Partial mastoidectomy can result in a significant increase in surgical freedom, but only a modest increase in the exposure of the central clival depression. Removal of total condyle and resection of the lateral mass of C1 could not increase the surgical freedom and exposure of the central clival depression.

磨除颈静脉结节为经FLA入路显露斜坡中央凹陷区的关键步骤；部分乳突切除可进一步改善操作空间，但未能显著增加斜坡中央凹陷区的显露；全切枕髁和侧块不能显著增加斜坡中央凹陷区的显露和操作空间。

On the basis of Raman and FTIR spectra research on melt structure and water solubility mechanism in albite glasses, we can make the following conclusions:(1) Higher pressure (1bar-2. 0GPa) can lead to below frequency region (50-650cm〓) shift to higher frequency and become narrower, and result in high frequency region (850-1300cm〓) move to lower wave number and become narrower at the same time. These are consistent with the decrease of average T-O-T angle and distribution scope of bond angles (0). In addition, the intensity of 580cm〓 band decrease with increase of pressure and the changes are obvious while pressure is in the range of 0.8-1. 0GPa. And these result from the"collapse"of the planar three membered -containing rings within the glass structure.

通过对高温高压下钠长石熔体结构及水在钠长石熔体中溶解机制的Raman和FTIR光谱实验研究，可以得出以下结论：(1)随着压力升高(1bar-2.0GPa)NaAlSi〓O〓熔体玻璃Raman光谱的低频区(50-650cm〓)不断变窄并向高频方向移动，同时高频区(850-1300cm〓)不断变窄且向低频区方向移动，这表明随着压力升高T-O-T键角不断减小，并且分布范围变窄，T-O-T键角这种变化从而可使T-O键的力常数减小，导致键强减弱；另外，580cm〓谱峰强度随着压力升高不断减弱，并在0.8-1.0GPa时最为显著，这是由于在0.8-1.0GPa时包含的平面三元环结构的"垮塌"造成的。

The results of cloud image analysis show that the TBB is lower than 230K (-44℃) when the convection grows most prosperously and the area with the brightness temperature difference of lower than -4℃ corresponds to the place where is most affected by the strong thunderstorm. The center of low value with T≤-7℃ corresponds to the strong echo of radar. There is a good correspondence between the strong convective weather and maximum gradient of TBB, which distributes along the moving cloud cluster. The moving path of strong storm is similar to that of the maximum positive gradient of T.

FY-2C卫星云图定量分析结果表明这次飑线过程对流最旺盛期TBB低于230K(-44℃)；长波红外分裂窗双谱组合T≤-4的低值区与强风暴天气影响区域相对应，T≤-7低值中心与强雷达回波区相对应；强对流天气区域与分布在沿对流云团前进方向的TBB梯度最大区域有很好的对应关系，强风暴天气发生区的移动路径与T正梯度最大区域的移动路径相似。

To study the area crop distribution and the plan disposition analysis indicated that in 21.99 hm2 type area total cultivated area,the current planters beet,the naked oat,the potato,reached the proportion which occupies with the corn and the red kidney bean five crops respectively was 32.93%,36.88%,5.39%,5.61%and 19.19%;Choosed the region symbolic soil fertility target 0～10 cm surface layer soil the physical property clay content to carry on the farmland regionalization altogether to divide into 4 levels:The 1st level, soil physical property clay content＞30%;The 2nd level,25～30%;The 3rd level,20～25%; The 4th level,＜20%.,Showed that the plots 1～4 the proportion of cultivated land were 3.32 percent and 26.39 percent,32.16 percent and 38.13 percent.

对研究区作物分布与规划配置分析表明，在21.99hm~2样区总耕地面积中，当前种植的甜菜、莜麦、马铃薯、饲用玉米和红芸豆五种作物所占的比重分别为32.93%、36.88%、5.39%、5.61%和19.19%；选择区域标志性土壤肥力指标0～10cm表层土壤的物理性粘粒含量进行农田区划共分为4级：第1级，土壤物理性粘粒含量＞30%；第2级，25～30%；第3级，20～25%：第4级，＜20%。，表明该样区1到4级耕地所占的比重分别为3.32%、26.39%、32.16%和38.13%。

In a-Si/poly-Si melting region, the shapes and sizes of poly-Si grains were quite different from those of NILC needlelike grains.

在此a-Si/poly-Si熔融区依雷射能量大小又被分成(1)几何合并区及（2）完全熔融区。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。