Solute diffusion controlled solidification model was applied to simulate the initial stage cellular to dendrite transition of TiAl alloys during directional solidification at different velocities.

Numerical Simulation of Cellular/ Dendrite Arm Spacing Selection During Unidirectional Solidification of Ti-Al Alloy

Ti-Al合金定向凝固过程中胞/枝晶间距选择的计算机模拟

The results show that, after laser surface processing, a melt layer with cellular dendrite structure is formed, which could transform into very fine grained structure during the annealing treatment.

结果表明，激光处理后试样表面熔凝区的组织主要为胞状枝晶组织，经后续热处理可转变为细小的等轴晶粒组织，并形成了良好的超塑连接条件。

When the addition of RE is small, α-Al phase is in the form of cellular dendrite.

当混合稀土加入量较少时，合金中的αAl相为明显的胞状枝晶；

The solidification microstructure of the stainless steel layer was typical coarse cellular dendrite crystal epitaxially from the mother sheet, and after rolling it changes to the fine equiaxed crystal.

凝固层轧制前为逆热流方向外延生长的粗大胞状树枝晶，轧制后为细小的等轴晶组织。

The welded seam of the TWB jointed by LBW contained large quantity tiny equiaxial crystal and the heat-affected-zone ( HAZ) was not obvious, the columnar crystals and cellular dendrite near the bond line were grown in the orientation of radiation.

激光拼焊板焊缝中心为大量细小的等轴晶；热影响区不明显，在熔合线附近存在少量沿散热方向生长的柱状晶和胞状树枝晶。

However, the second dendrite arm spacing ( S DAS) changes little.

二次枝晶臂间距变化不明显。

There is no obvious effect of pressure on decreasing secondary dendrite arm spacing.

电场作用下的枝晶间距压力对二次枝晶间距没有明显的影响；

Effect of Chill on Secondary Dendrite Arm Spacing of Aluminum Alloy Casting

冷铁对铝合金铸件二次枝晶间距的影响

Dendrite arm spacings is one of the important as-cast structural parameters.

枝晶间距是重要的铸态组织参数。

Abstract: Fetal hemoglobin ( HbF) level was examined by the alkali denaturation test in 39 children with acute leukemia.

本文用抗碱血红蛋白法测定了39例急性白血病患儿胎儿血红蛋白（HBF）含量。

Objective To evaluate hemoglobin agarose electrophoresis and Hb-F alkali denaturation test in the diagnosis of β-Thalassemia.

目的评价全自动血红蛋白琼脂糖凝胶电泳与Hb-F碱变性试验在β地中海贫血中的应用。

Demurrage: The money payable to the owner for the delay for which the owner is not responsible in loading and/ or discharging after the laytime has expired.

滞期费：由非业主责任所造成的装卸货时间超过规定的期限而应付给业主的钱。

Since you have fail to load the ship on time, the expenses of dead freight and demurrage will be for your account.

既然你方没能如期装船，你们就应负担空舱费和滞期费。

Is it possible to delay cargo releasing and caused the demurrage charges.

滞期费和延滞损失是不定期船业务中很重要的两个概念。

Remarks: Exhibitors have to pay the container demurrage charges as from date of arrival vessel till show opening date under the circumstance exhibitor not require to keep the container for return.

备注：如果展商不要求留下集装箱作返程之用，则展商应支付从轮船到达到展会开始期间的集装箱滞期费；

If exhibitor requires to keep the container for return shipment, container demurrage charges will be debited to exhibitor till date of vessel departure.

如果展商要求保留集装箱返程，滞期费将被记入借方知道货轮离岗。

Implementation of Channel Estimation and Demultiplexer with FPGA in DRM

基于FPGA的DRM接收机信道估计与解复用实现

Experimental study on long period fiber grating applied in two channel wavelength division demultiplexer

双信道解复用长周期光纤光栅的实验研究

In this paper, two key technologies in on-board reception digital beamforming network are studied, including digital orthogonal down converter and digital demultiplexer.

本文主要研究星上接收数字波束形成网络中的两项关键技术：数字正交下变频和数字分路。

In this paper, we introduce the design and implementation of digital interface for power line carrier digital multiplexer demultiplexer.

这里重点介绍数字复接设备中数据接口的设计方案。