earth的例句大全

The fluorescent and colorimetric identification of sensors A-F for the common alkali metals, alkaline earth metals, transition metals and heavy metals were tested, it was found that this type of sensors has a good selective recognition ability for Fe+.

通过探针A-F对常见的碱金属，碱土金属，过渡金属及重金属的荧光和比色识别实验发现，这一类探针对Fe3+具有优异的特定选择性识别能力。

The impact of mixing ratio, alkali metals and alkaline earth metals on the ash melting temperature were discussed.

探讨了混合比例以及碱金属和碱土金属等因素对灰熔融温度的影响规律。

A new eluent used for determining alkaline earth metals by ion chromatography& beryllium nitrate-nitric acid solution is suggested.

本文提出一种新颖的用于碱土金属离子色谱法测定的淋洗液硝酸铍硝酸溶液。

The Crystal Structures and Thermal Stability of the Complexes of 2-Oxo-propionic acid ( 4-pyridinecarbonyl) hydrazone with Alkaline Earth Metals

2-羰基丙酸（4-吡啶甲酰基）腙与碱土金属配合物的晶体结构及热稳定性

Influence of Alkaline Earth Metals on Cobalt-Cerium Composite Oxide Catalysts for N_2O Decomposition

碱土金属对钴铈复合氧化物催化剂催化N2O分解的影响

The pyrolysis and gasification are two main methods of biomass thermo-chemical utilization. The alkali and alkaline earth metals ( AAEMs) play an important role during the utilization of biomass which are rich in AAEMs.

生物质的热解和气化是重要的热化学利用方式，而碱/碱土金属作为生物质内富含的元素，对其热利用过程产生了较大的影响。

Researches on the thermal decomposition reactions of hydroxide of alkaline earth metals for storage of solar energy

碱土金属氢氧化物热分解反应贮存太阳能的研究

2,4-DCP could be completely converted and the liberation of the inorganic chloride improved remarkably by adding alkaline metal oxides or alkaline-earth metal oxides into CuO/ γ-Al2O3 catalyst after 2 h of reaction at 30 ℃.

碱金属和碱土金属氧化物添加到CuO/γ-Al2O3催化剂，30℃，反应2h，2,4-二氯酚能够被完全转化，并且氯离子的去除率也显著提高。

Higher catalytic activities were achieved by adding alkaline-earth metal oxides to γ-Al_2O_3, among which the catalytic activity of adding 20% ( mass fraction) of MgO was the best.

实验结果表明，添加碱土金属氧化物的γ-Al2O3催化剂的催化活性比添加酸性氧化物的γ-Al2O3催化剂的催化活性高，其中以MgO质量分数为20%的MgO/γ-Al2O3催化剂的催化活性最高。

Many of metal ions such as alkali metals, alkaline-earth metals and transitional metal ions don't interfere with the detection of Pd~ 2+.

其它重金属离子以及碱金属离子、碱土金属离子对Pd~（2+）离子的测定基本没有干扰。

A New Method for the Calculation of Lattice Energies of Alkaline-Earth Metal Compounds& Ion Contribution Method

碱土金属化合物晶格能计算的新方法&离子贡献法

Calculation of standard formation enthalpy of the nitrides of alkali and alkaline-earth metal and analysis of their thermal stability

碱金属和碱土金属氮化物的标准生成焓的计算及其热稳定性分析

The resonance radiation trapping in alkaline-earth metal atomic lasers were investigated according to Holstein's theory. The threshold temperature, ground-state density and resonant level effective lifetime of the resonance radiation trapping were calculated for Ca, Sr, and Ba atomic vapor lasers with different tube radii.

根据Holstein理论研究了碱土金属原子激光中的共振辐射俘获效应，分别计算了Ca，Sr和Ba蒸气激光在不同半径时产生共振辐射俘获效应的阈值温度、基态粒子数密度和共振能级的有效寿命。

Thermodynamic Analysis on Chemical Property of Hydroxide Alkaline-earth metal; Study on the Chemical Composition and Antioxidant Activity from Capparis Spinosa

碱土金属氢氧化物化学性质的热力学分析

Although many researchers managed to improve the catalytic stability of Ni catalyst by addition of alkaline-earth metal and alkali metals to the catalyst, no breakthrough was obtained.

尽管很多学者在Ni基催化剂中加入稀土元素或碱金属以提高Ni基催化剂的活性和稳定性，一定程度上提高了其抗积炭能力，但没有取得突破性的进展。

Investigation on Toughening Mechanism of PP Composite Filled with New Type Alkaline Earth Salt Filler

新型填料－碱土金属盐填充聚丙烯复合材料的增韧机理探讨

Fluorimetric Studies on Complexes of Tetracycline Antibiotics Degradation Products with Alkaline Earth Metals

四环素类抗菌素碱性降解物与碱土金属螯合物的荧光研究

Of or relating to or containing bentonite. ionized alkaline earth metal laser

属于、关于或包含膨润土（或皂土、斑脱土）。碱土金属离子激光器

It does not absorb the alkaline-earth metal ions and behave as the polyamine resins.

但不吸附碱土金属离子，这和聚多胺树脂相同。

Ionized alkaline earth metal laser weak base anion-exchange resin

碱土金属离子激光器弱碱性阴离子交换树脂