Fluoride, which is closely related to human health, is the trace chemical element.

A chemical element lacking typical metallic properties.

缺少典型的金属特性的化学元素。

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Discussion of the Periodicity of Chemical Element Behavior in Pacific Ocean Waters

论太平洋水体中元素行为的周期性

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Chemical element abundances in the earth and it's major shells

化学元素的地球丰度

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A chemical element is represented by a symbol.

化学元素用符号来表示。

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Analysis of the Relation Between Essential Chemical Element and the Hemoglobin Density in Children's Blood

儿童血液必需元素与血红蛋白浓度的相关分析

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The chemical element contents in tree rings and the dynamic changes of the surroundings

树木年轮元素含量与环境演变

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A common sense, human body is also made up of chemical element is introduced in this paper.

本文介绍了人体也是由化学元素组成的这个普通道理；

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Analysis content on the amino acid, vitamin and chemical element of cerebral cell active factor

脑细胞激活素中氨基酸、维生素和化学元素含量分析

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Gold and the related chemical element background contents in East Hunan and its evolution

湘东地区金与相关元素的背景含量及其演化

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So they represented this chemical element with a solar symbol.

所以他们用太阳符号来代表这种化学元素。

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The Chemical Element Repairs to Add the Calculator Application the Software

炉前元素补加的计算机应用软件

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Making different patterns, each pattern stand a distinct chemical element.

每一类都有不同的化学性质。

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The establishment of the modern conception of a chemical element

近代化学元素概念的建立

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Zinc is a chemical element which is very important to our health.

锌是一种对人体健康很有益处的元素。

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It is the discovery of a new chemical element.

它是一种新化学元素的发现。

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Contrast Study on Quality Control Schemes in Soil Sampling and Chemical Element Analysis

土壤样品采集和化学元素分析全过程质量控制比较研究

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The native radio-cephalic fistula ( RCF), created by surgical anastomosis of the cephalic vein to the radial artery in the wrist, was first described by Brescia in 1966.

1966年Brescia等首先描述了手术建立腕部自体桡动脉-头静脉瘘（native radio-cephalic fistula，RCF）的方法。

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Results: The origins of nutrient vessel of the 1/ 3 inferior segment of the cephalic vein and lateral antebrachial cutaneous nerve was as follows: the cutaneous branches of radial artery, cutaneous branches of superficial palmar branch, cutaneous branches of malleolus radialis recurrent branch.

结果：头静脉-前臂外侧皮神经下1/3段的营养血管来自：桡动脉皮支，掌浅支皮支，桡骨茎突返支皮支和桡动脉肌间隙骨皮支。

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The first dorsal metatarsal artery, saphenous vein and deep peroneal nerve in the flap were anastomosed with the wrist dorsal branch of radial artery, cephalic vein and superficial branch of radial nerve on the receptor site respectively.

将皮瓣所携带的第一跖背动脉、大隐静脉和腓深神经分别与受区桡动脉腕背支、头静脉及桡神经浅支吻合。

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Since 1987, 3 cases of old median and ulnar nerve injuries at the wrist have been repaired by transplantation of the lateral cutaneous nerve graft pedicled with the simultaneously arterized cephalic vein, and satisfactory results gained.

1987年9月以来，采用头静脉蒂动脉化前臂外侧皮神经游离移植，修复腕部正中、尺神经陈旧性损伤3例，疗效较满意。

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