TTT的用法

Method of TTT curves' datamation adapted in this paper is convenient for not only computer storage and recalling. but also processing of now available TTT diagrams, with which fitting formulas of TTT curves related to actual ingredient of specimen are got to arise computing precision.

本义采用的TTT曲线数值化方法，不仅便于计算机存贮和调用，也便于将现有的TTT图进行处理.得出与工件实际成分相对应的TTT曲线，从而提高相变计算的精度。

Objective: To evaluate the value of sublingual isosorbide dinitrate ( ISDN) adminstration before tilt table test ( TTT) as a simple practice test for diagnosis of vasovagal syncope ( VVS).

目的：探讨直立倾斜试验（TTT）前舌下含服硝酸异山梨酯（ISDN）对诊断血管迷走性晕厥的价值。

Objective To investigate heart rate and blood pressure response to head-up tilt table test ( TTT) in patients with cardioinhibitory and vasodepressor syncope diagnosed by the first head-up tilt table test.

目的观察首次直立倾斜试验阳性，并依据血流动力学特征表现为心脏抑制型和血管减压型晕厥患者进行直立倾斜试验时血压和心率的反应。