The high temperature forgeability and the microstructure evolution of a PM TiAl based alloy were studied in this work.

研究了粉末冶金TiAl基合金的高溫鍛造性能及顯微組織的變化欧洲欧美精品黄片。

The effects of temperature gradient on the forgeability of heavy forging were analyzed.

結(jié)果表明，鍛件的溫度梯度對(duì)其應(yīng)力應(yīng)變具有重要影響无码AV无码AV毛片毛，溫度梯度越大影音先锋99日韩在线观看，鍛件中心的等效應(yīng)變和靜水壓應(yīng)力越大，壓實(shí)中心缺陷的效果越好青青艹逼网站久艹免费。

The proposed scheme is secure against multisignature collusion attack, adaptive chosen-ID attack and forgeability under chosen-message attack.

擬議的計(jì)劃是安全的對(duì)多重共謀攻擊亚洲免费黄色网站入口，自適應(yīng)選擇-編號(hào)攻擊和鍛造下，選擇消息攻擊日本色二区。

In the part I, the concept, development and current lawmaking status of E-mail are introduced. In this part, the writer states the source, development and basic technical principals of E-mail and analyses its current application status and the importance of effectiveness identification of being evidence. Besides, related international laws on E-mail and lawmaking status in many countries are introduced. Present situation of our country's lawmaking and related model laws since the utilization of E-business and E-mail are also stated and discussed. Part II emphasizes on the differences between E-mail and traditional evidences and generalizes the characteristics of E-mail, i.e.: forgeability, changeability, dependence, uncertainty, duplicatability and transmission. Through the detailed analysis, the writer concludes that it is the above-mentioned characteristics to hinder E-mail becoming the effective evidence. Part III is the key one of this article and mainly discusses the effectiveness identification of E-mail as evidence. In this part, the writer states how the 5 characteristics of E-mail mentioned in Part II to affect the validity and authenticity of E-mail as evidence.

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forgeability：可鍛性

forge-welding 鍛焊 | forgeability 可鍛性 | forgeable 可鍛的

forgeability：鍛造性

Foreignatom 外來(lái)原子 | Forgeability 鍛造性 | Forgedsteel 鍛鋼

forgeability test：可鍛性試驗(yàn)

forging 鍛造 | forgeability test 可鍛性試驗(yàn) | forgeability 可鍛性

test for forgeability：鍛造性能試驗(yàn)

鎂合金 magnesium alloy | 鍛造性能試驗(yàn) test for forgeability | 鎳合金 nickel alloy