查询词典 si

The fracture morphology were found that the interface bonds between ductile α-Ti matrix and the brittle Ti〓Si〓 phases were divided, which companied with little lancinated edge and small cleavage facets.

与其它元素相比，适量的硼改善Ti-Si共晶合金的塑性最为显著（ε〓=11.5％），其断裂机制为韧性的基体与第二相之间的界面解键，伴有少量撕裂棱和小解理面，属于准脆性断裂。

A high content of Si can result in the precipitation of Laves phase and the increment ofε phase.

Si含量高于 0 。45 at%，合金中析出颗粒状laves相，且随 Si含量增加，ε，L aves等第二相数量增多。

The σ and Laves phases were suppressed, and the microstructural stability increased with decreasing Cr and Si contents.

铬和硅含量的降低，可以延缓或抑制σ相和Laves相的形成，增加合金的组织稳定性。

Results showed that little Al, some Si and base ions were leached out from the soils with simulated acid rain.

结果表明，模拟酸雨淋洗后土壤中有极少量的Al和一定量的Si及盐基离子淋出。

Si powder and SiO2 powder as raw materials for synthesizing 1-Dβ-SiC nanomaterial th ough a chemical vapor reaction approach are treated with high-energy miffing process.

采用高能球磨对合成一维β-SiC纳米材料的原料－Si粉和SiO2粉分别进行处理。

Compared to other biomasses,co-pyrolysis of corn cob with waste tire is more propitious to increase the heat value of pyrolytic oil ;③the law of viscosity and density of co- pyrolytic oil is close to si.

生物质与废轮胎以不同比例组成的均匀混合物在管式固定床内共热解，考察了特性及组成差异较大的3种生物质稻壳、木屑、玉米芯对产生的共热解油性质的影响。

The most pitiable character trait of life si self-inferiority.

人生最可怜的性情是自卑。

9U6eL :X0vY Delayed Dream si Y To this day , the very thought of red oak bark tea nauseates me my mouth still retains that bitter flavor .

至今，我仍记得那种恶心的红橡木皮茶的味道；苦味依然保留在我的口中。

The microstructure observation and theoretical calculation show that the primary Si nucleates on the SiC_w surface.

利用纯铝和单晶硅配制Al-18Si合金，采用Al-10Sr合金作为变质剂进行变质处理。

I n the stressi ng of the heart, i t deteri orated i nstead of regenerated over ti me and as a resul t the l arger headed humans l ost some of thei r l i fe span, si nki ng from 2000 years to 1 200 years that a heal thy body coul d be retai ned upon Earth.

这样随时间流逝，它就退化而不是再生。作为这样的结果，大头颅人类缩短了一部分寿命，从2000 岁下跌到可在地球上维持身体健康的 1 200 岁。

Nowadays, most of research are to build a transmutative Petri Nets through adding controlling place sets, controlling arc sets and controlling policy to the basic Petri Nets, while the Controlled Petri Nets could be used to argue many controlling theory problems conveniently and to induce many logically and physically supervisory and solve the Event Feedback Controlling Problems and State Feedback Controlling Problem in DEDS supervisory theory.

目前大多数的研究表现为在变形后的受控Petri网基础上，利用各种方法求得各种逻辑型、结构型控制器，解决DEDS监控理论中的事件反馈控制问题与状态反馈控制问题。

On one hand, there are discussions with the works council and union about extension of short time working up to the end of September.

一方面，有讨论，工程理事会和联盟关于延长工作时间短至9月底。