The diffusion zone width of main alloying elements increases and hardness of the friction weld zone near TC4 titanium alloy side improves after post-weld heat treatment.
经焊后回火热处理后，主要合金元素沿焊合区的扩散区宽度增大；焊合区钛合金侧硬度值显著提高。
The results of experiments showed that the Nb can raise the depth of diffusion zone, hardness, wear resistance, strength and toughness of the nitriding layer of the matrix steel.
实验结果表明，铌能增加扩散层深度、硬度及耐磨性，提高渗层的强韧性。
By means of optical microscopy, microhardness testing, X-ray diffractometry (XRD) and scanning electron microscopy (SEM), the oxygen-diffusion zone was characterized in the present paper.
通过金相观察、显微硬度测试、x射线衍射(XRD)及扫描电镜(SEM)分析，研究了渗氧层的结构和性能。
Modern analytical methods have been used to investigate the patterns of fusion zone and the diffusion behaviors of elements by tig direct welding and tig with Sn as transition layer welding.
利用现代分析测试手段分别研究了TIG焊直接焊接镁铝和镀锡焊接镁铝的焊缝熔合区形貌，并对其进行了元素扩散行为的分析及比较。
The diffusion effects of two types of diffusion depth of cooling water, such as the whole water depth and the mixing zone, are calculated by using a two-dimensional mathematical model.
采用平面二维数学模型计算了温排水扩散深度为全水深和掺混层两种情况。
The inhibitory zone of antibiotics was determined by disk diffusion method in the brain heart infusion agar (BHIA).
方法应用纸片扩散法测定不同抗生素纸片在脑心浸液琼脂板上的抑菌圈；
Strong light inserts this buffer zones and the floor of south buffer zone reflects the light to ceiling, with diffusion light that enters through the curtains.
强烈的光照照射到这个隔离区和南侧隔离区的地板上后，将光线反射到天花板上，发散开来的光线还会穿透窗帘。
The high temperature zone is at inner side of OH zone for the diffusion flame, but both zones are approximately at the same position for the premixed flame.
对于扩散火焰，高温区在OH带内侧；而对于预混火焰，二者基本一致。
Comparison of the calculation results shows that it is more rational using the mixing zone depth to control the cooling water diffusion for deeper water.
在对计算结果比较后认为，当水深较大时，采用掺混层的厚度控制温排水扩散更为合理。
Methods Antimicrobial susceptibility test was detected by disk-diffusion method recommended by CLSI/ NCCLS, inhibition zones were measured by inhibition zone measures and vernier caliper respectively.
方法采用美国临床实验室标准化研究所（CLSI/原名NCCLS）推荐的纸片扩散法进行抗生素敏感性试验。
OBJECTIVE to study antibacterial activity in vitro and bone-affinity of tetracycline analogues to observe their correlation. METHODS Inhibitory zone diameter was measured by disc AGAR diffusion (DAD).
目的检测四环素类似物的体外抗菌活性，以观察类似物的抗菌和趋骨活性的相关性。
OBJECTIVE to study antibacterial activity in vitro and bone-affinity of tetracycline analogues to observe their correlation. METHODS Inhibitory zone diameter was measured by disc AGAR diffusion (DAD).
目的检测四环素类似物的体外抗菌活性，以观察类似物的抗菌和趋骨活性的相关性。
应用推荐