clean atmosphere是什么意思

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用法例句

Near-infrared Analysis of Nitrogen,Potassium,Calcium,and Magnesium in Tobacco Root;

烟草根中N、K、Ca、Mg的近红外光谱分析

Microstructure and tensile properties of AE42-based magnesium alloys with calcium addition;

Ca对AE42镁合金的显微组织和拉伸性能的影响(英文)

Analysis of Trace Calcium in EAF Steel by Photoelectric Spectrometer;

光电光谱分析电炉钢中微量Ca

This article studies to building PKI/CA about E-Governance and bridge certificate authority between different PKI/CA, and puts forward own attitude about building PKI/CA about our nation s E-Governance.

本文就电子政务数字认证系统构建,以及PKI/CA域之间的桥CA认证做了一些探讨,并提出了建立国家电子政务PKI/CA体系的看法。

Preparation of ceria-based nanocrystalline powders doped with calcium,samarium and gadolinium by an improved homogeneous precipitation

Ca掺杂及Ca-Sm和Ca-Gd复合掺杂CeO_2基纳米粉体的制备

Ca~(2+),ADP,Pi and Sport Fatigue;

Ca~(2+)、ADP、Pi与运动疲劳

Changes of the Ca～（2+）and the Ca～（2+）-ATPase in Cells of Poplar Under Salt Stress and Drought Stress;

盐胁迫和干旱胁迫下杨树细胞内Ca～（2+）和 Ca～（2±）ATPase变化

Subcellular Localization of Ca~(2+) in Calcicole Seedling Leaves and Effect of Ca~(2+) on Nitrogen, Phosphorus Deficiency in Calcicole;

喜钙植物叶片细胞内Ca~（2+）动态分布和Ca~（2+）对氮、磷亏缺影响研究

Simultaneous Study and Measurement of Nuclear Ca～(2+) and Cytosolic Ca～(2+) with New Calcium Fluorescent Ca～(2+) Probe STDBT;

新型Ca～（2+）荧光探针STDBT胞质、胞核Ca～（2+）同时测定研究

Dynamic Changes of Ca~(2+) and Ca~(2+)-ATPase in Sieve Elements in the Developing Caryopsis of Triticum aestivum L.

Ca~(2+)和Ca~(2+)-ATPase在小麦颖果筛分子分化中的动态变化

The Effect of High-fat Diet on Transforming BK_(Ca) and IK_(Ca) Gene Expression

高脂饮食对动脉粥样硬化中BK_(Ca)、IK_(Ca)基因表达的影响

Initial bradykinin triggers calcium-induced calcium release in C6 glioma cells and its significance

缓激肽触发C6胶质瘤细胞内Ca~(2+)内流诱发的Ca~(2+)释放(英文)

Isolation and Expression Analysis of Gene Encoding PM-Type Ca～(2+)-ATPase;

质膜型Ca～（2+）-ATPase基因的分离与表达研究

Effects of Al_4C_3 and Ce, Ca, Sr on Microstructure and Performance of AZ91D Magneisum Alloy;

Al_4C_3和Ce、Ca、Sr对AZ91D合金组织与性能影响

Fabrication and Capability Investigation on Thermoelectric Material of Ca-Co-O System;

Ca-Co-O系热电材料的制备及性能研究

The Microstructure and Properties of Mg-4Al-RE-Ca-Si Heat-resistant Magnesium Alloys;

Mg-4Al-RE-Ca-Si耐热镁合金的组织与性能

Growth and Spectral Properties of Nd: Ca_xY_(1-x)VO_4 Crystals;

掺Ca质Nd：YVO_4晶体生长及光谱性质的研究

Quantum Chemistry Calculation on Thermoelectric Properties of Ca-Co-O System;

Ca-Co-O体系热电材料的量子化学计算

Studies on Preparation of Ca-P Bioceramic by Using Hydrothermal Process;

水热法制备Ca-P基生物活性陶瓷

Comparative Study on Retrieval Effectiveness for Sci-tech Novelty Search between Dialog CA Search and CA on CD

科技查新中Dialog CA Search与CA on CD检索效果的比较研究

Study on endotoxin removal in ascites of cirrhosis by CA/PEI and CA/HPC affinity membranes

CA/PEI及CA/HPC亲和膜去除肝硬化腹水中内毒素对比研究

a caustic substance (Ca(OH)2) produced by heating limestone.

加热石灰石得到的腐蚀性物质（ca（OH））。