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。
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。
The shock of the cold makes the metal sulfides crystallize.
低温使得金属硫化物结晶。
One deposit of copper, iron, zinc, gold, and silver sulfides in the Atlantic is, at 600 feet across and 120 feet high, as big as the old Houston Astrodome.
在大西洋中,有一处含有铜,铁,锌,金还有银的沉淀区域长达600英尺,高达120英尺,和休斯敦巨蛋体育馆一样大。
The Xitan gold deposit is of a quartz vein type with little sulfides.
西滩金矿属少硫化物石英脉型金矿。
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。
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。
Carbon Steel - Very good mechanical properties; good resistance to stress corrosion and sulfides.
碳钢—具有很好的机械性能,很好的抗应力腐蚀和硫化物腐蚀的性能。
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。
Its presentational feature is development of structure and enrichment of granule xenomorphic sulfides.
其表象特征为构造发育,细粒他形硫化物富集。
The results show that sulfides with industrial significance include sphalerite, galena and chalcopyrite.
研究表明具有工业意义的硫化物主要有方铅矿、铁闪锌矿、黄铜矿。
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。
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。
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。
Steam and sulfides billow from the James River Corporation pulp and paper mill on the Androscoggin River in Berlin, New Hampshire.
在新罕布什尔州的柏林,位于安德罗斯科根河旁的詹姆斯河公司的制浆造纸厂向外排放着滚滚的含有硫化物的蒸汽。
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。
Molecular simulation modeling study indicated that vanadium oxides with vanadium of low oxidation number facilitated the conversion of sulfides.
过滤金属化合物与硫化物相互作用的分子模拟研究结果表明,低氧化数钒的氧化物有利于促进硫化物的转化。
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 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。
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