The article elaborates the cold welding technology which adopts austenitic stainless steel welding strip to desl with the casting defect of the bulky pearlite low-alloy steel valves.

Methods: C57BL/ 6 mice, all in natural telogen stage, were studied by ABC immunohistochemical technique for LC and DETC in murine inter-follicular epidermis during hair cycle in anagen stage induced by depilation.

方法：选用自然休止期C57BL/6小鼠，拔毛诱导毛发进入生长期，应用ABC免疫组化法连续观察毛囊间表皮LC及DETC的密度及形态变化。

Objective: To observe the dynamic changes in the density and morphology of Langerhans cells ( LC) and dendritic epidermal T cells ( DETC) in murine inter-follicular epidermis during hair follicle cycle.

目的：观察拔毛诱导的小鼠毛发周期中毛囊间表皮LC及DETC的密度及形态变化，探讨二者与毛囊周期的关系。

Dendritic Epidermal T cells ( DETC) are origined from bone mar-row, which are charactered by expressing T cells receptor-γδ, and take part in consisting mice skin immune system.

树枝状表皮T细胞（DETC）是一群来源于骨髓的细胞，以表达的T细胞受体γδ（TCRγδ）为特征，参与构成小鼠皮肤免疫系统。

Changes of Langerhans Cells ( LC) and Dendritic Epidermal T Cells ( DETC) During Murine Hair Follicle Cycle

小鼠毛囊周期中表皮朗格汉斯细胞及树突状表皮T细胞的变化

In a 2001 study, two out of three DETC students who tried to transfer credits to another institutions were successful.

在2001年，三分之二的学生在不同的教学机构之间成功转换学分。

Analysis of ESR spectroscopy of nitric oxide free radical trapped by DETC iron complex in biological tissue

用DETC铁络合物捕捉生物组织NO自由基的ESR波谱解析

What is more, not perfectly matched DETF simulating practical situation after fabrication has been discussed and analyzed by FEA simulation.

而且在有限元分析的基础上对实际制造的非完全匹配的双端固定音叉的特点和对于测量的不良影响进行分析。

The Bureau of Education promoted an education reform to improve this status and hoped that the" diversified entrance to school ( DETS)" will lead the junior high school education normalized.

为改善此现象，教育部推动了教改方案，希望藉由入学多元化以引导国中教学正常。

To treat ( a solution) with a buffer. Effectiveness of DETs Buffer for Intestinal Microbes DNA Preservation

把缓冲液加入（溶液）DETs缓冲液对肠道微生物DNA的保存效果

Effectiveness of DETs Buffer for Intestinal Microbes DNA Preservation

DETs缓冲液对肠道微生物DNA的保存效果

Blast Resistant Genes of Chinese Rice Varieties Identified by Two Dets of Japanese Differential Fungus Strains

日本两套稻瘟病鉴别菌系鉴定我国水稻品种的抗性基因

The research found that there is no difference between DETS and academic achievement and life adoption.

本研究发现学生的生活适应与学业成就并未因入学方式而异；

Simulation result indicates that the new algorithm effectively balance the network energy consumption and prolong the network life cycle compared with LEACH and DADC. DEUC& a Dijkstra algorithm based cluster routing protocol for wireless sensor network was proposed.

仿真结果表明，该算法和LEACH及DADC算法相比，更能有效地均衡网络能量消耗、延长网络生命周期。提出了一种基于Dijkstra的无线传感器网络分簇路由算法（DEUC）。

In this thesis, DEVP was studied systemically, including optimization of extraction parameters, antioxidation activity, and bacteriostatic action.

本论文对DEVP进行了较系统的研究，包括提取条件优化、分离纯化、抗氧化活性、抑菌活性等方面。

DFAC and urea were mainly derived from continental sources, and urea in spring aerosols were associated with the sublimation of urea in soils.

其中DFAC和尿素主要来自于陆源的影响，春季，气溶胶中尿素氮主要与土壤中尿素的升华有关。

It is stated that the primary energy efficiency of DFAC is higher than ASHP under the rating condition.

指出在额定工况下，直燃机一次能效率要高于风冷热泵。

This paper is doing research and analysis on the raw material logistic administration of the DFAC in terms of modern theories of logistics.

本文运用现代物流理论对东风汽车公司原材料物流管理进行了分析和探讨。

Developing Tendency of the Light Truck Market of China in the Following 10 Years and the Countermeasure Study of DFAC

未来10年中国轻型汽车市场发展趋势及东风汽车对策研究

The Marketing Management Research of DFAC Light Truck Network Card

东风轻卡营销管理研究

Structure and Analyse for DFAC Call Center

东风汽车股份有限公司呼叫中心构建与分析