Because they lack oxygen, marsh sediments are high in sulfides that are toxic to most plants.
由于它们缺乏氧气,沼泽沉积物中的硫化物含量很高,而硫化物对大多数植物都有毒。
Spartina has the ability to take up sulfides and convert them to sulfate, a form of sulfur that the plant can use; this ability makes it easier for the grass to colonize marsh environments.
米草类植物有能力吸收硫化物并将其转化为硫酸盐——一种植物可以利用的硫的形式;这种能力使这种草更容易在沼泽环境中生长。
The shock of the cold makes the metal sulfides crystallize.
低温使得金属硫化物结晶。
We studied the water and found bacteria that eat sulfides.
我们研究了那里的水质,并在其中发现了这种能够吞噬硫化物的细菌。
Garlic needs to be chopped or crushed to produce the these sulfides.
大蒜需要剁碎或压碎以制造这些硫化物。
The most common biogenetic minerals are carbonates, sulfides and iron oxides.
最普遍的生物成因矿物有碳酸盐、硫化物和铁的氧化物。
The Pb, Zn, Fe oxides and residual sulfides are the main carrier minerals of silver.
铅、锌、铁氧化物和残留的硫化物是银的主要载体矿物。
A mineral consisting of sulfides of copper and iron that is found in copper deposits.
一种矿物,由铜矿床中和铁的硫化物组成。
These basins are completely anoxic, or oxygen-free, and loaded with toxic levels of sulfides.
这些盆地完全缺氧,硫化物含量高。
The existence of active sulfides in gasoline is the reason resulting in copper strip corrosion.
汽油中由于存在某些活性硫化物,如元素硫或多硫化物,从而产生铜片腐蚀。
The mechanism of oxidation was discussed, and the reactivity of different sulfides was compared.
探讨了该反应机理,并比较几种了硫醚氧化活性。
Purifieation using absorbents can further remove sulfides in oil and decrease chroma of the product.
吸附剂补充精制能进一步脱除硫化物并降低柴油色度。
The bismuth and tellurium minerals include native metals, sulfides, bismuthides, sulphosalts and tellurides.
铋、碲矿物有自然金属、硫化物、铋化物、硫盐和碲化物等类型。
A new process has been developed to remove most of the olefins and organic sulfides contained in coking gas.
开发了一种脱除焦化富气中大量烯烃和有机硫化物的新工艺。
The most important exothermal reactions in the crust can be expected from the chemical transformations of sulfides.
地壳中能够料想到的最重要的放热化学反应是硫化物的化学转变。
They found that it was composed of various aromatic compounds and sulfides in addition to large quantities of carbon.
他们发现原来它的组成除了大量的碳,还有各类芳香族化合物和硫化物。
They found that it was composed of various aromatic compounds and sulfides in addition to large quantities of carbon.
原来它的组成除了大量的碳,还有各类芳香族化合物和硫化物。
Metal sulfides have shown great potential in the areas of solar cells, thermoelectrical materials and memory devices.
金属硫化物在太阳能电池、热电材料以及存储装置等领域显示出了广阔的应用前景。
The dissertation describes some selective methods for the synthesis of alkenyl sulfides and benzothiazole derivatives.
本论文主要开展了乙烯基硫醚和苯并噻唑衍生物的选择性合成方法的研究。
The impact of different sulfides added to the testing oil on the corrosion is studied using static corrosion testing technique.
采用静态腐蚀实验方法研究了在试验用油中加入不同硫化物对腐蚀性的影响。
Under hydrothermal conditions, the control of morphology and size of metal ternary sulfides nanocrystallites were investigated.
在水热条件下,探索了三元硫化物纳米晶形貌控制的途径。
The point of this dissertation is to explore and study new synthetic routes to metal sulfides with one-dimensional nanostructures.
本文旨在探索和研究合成具有准一维纳米结构的金属硫化物的新方法。
The results showed that disqualification of jet fuel in silver strip test was caused by active sulfides, especially elementary sulfur.
结果发现,引起银片腐蚀试验不合格的原因是活性硫化物,主要是单质硫。
The most efficient way to generate chiral sulfoxides is asymmetric oxidation of prochiral sulfides Catalyzed by chiral metal complexes.
手性金属络合物催化硫醚的不对称氧化是合成手性亚砜最有效的方法。
An obvious mass-independent sulfur isotope fractionation was first observed in Archean stratiform sulfides from Xintai area, Shandong Province.
笔者首次在山东新泰地区新太古代层状硫化物中观测到了明显的硫同位素非质量分馏效应。
The organic sulfides electrode materials for lithium secondary batteries include organodisulfide, orga- nomultisulfide, sulfurized polymers, etc.
锂二次电池有机硫化物电极材料包括有机二硫化物、有机多硫化物和硫化聚合物等。
The progress of adsorbing agent materials and adsorption technologies for removing sulfides from raw gas and fuel oil at home and abroad is reviewed.
综述了国内外原料气和燃料油吸附脱硫技术在吸附脱硫材料和吸附脱硫工艺方面的研究与开发进展。
The metal sulfides electrode materials for lithium secondary batteries include binary metal sulfides, thiospinels, oxysulfides, and thiophosphates etc.
锂二次电池金属硫化物电极材料包括二元金属硫化物、尖晶石硫化物、磷硫化物等。
The metal sulfides electrode materials for lithium secondary batteries include binary metal sulfides, thiospinels, oxysulfides, and thiophosphates etc.
锂二次电池金属硫化物电极材料包括二元金属硫化物、尖晶石硫化物、磷硫化物等。
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