Triethylamine [(CH3CH2)3N] is a molecule in which the nitrogen atom is ___ hybridized and the CNC bond angle is ___. () A sp2; >109.5° B sp2; C sp3; >109.5° D sp3; E sp; 109.5° 相关知识点: 试题来源: 解析 D 反馈 收藏 ...
Diatomic molecules are when only two atoms combine. An example of adiatomic moleculeis carbon monoxide (CO) made of a single atom of carbon and one of oxygen. If the two atoms are the same element, it is called ahomonuclear diatomic molecule, such as oxygen (O2) and nitrogen (N2).Poly...
aPlants need the small molecules in order to grow. One of the key nutrients, besides water, is nitrogen and plants usually get nitrogen in the form of a nitrate molecule. 植物需要小分子为了增长。 其中一关键营养素,除水以外,是氮气以硝酸盐分子的形式,并且植物通常得到氮气。[translate]...
Nitrogen: breaking up is hard to do. (intermediate molybdenum-containing molecule cleaves nitrogen molecules)(Brief Article)Lipkin, Richard
If a molecule A yields a fluorescent excited state A* that is partially quenched by an added material Q, then a simple kinetic analysis of the quenching data will reveal the second-order quenching constant as follows. Consider the reaction scheme: (29)RateA→hvA*Ia (30)A*→kFA+hυFkF[A...
At the most basic level, all DNA is composed of a series of smaller molecules callednucleotides. In turn, each nucleotide is itself made up of three primary components: a nitrogen-containing region known as anitrogenous base,a carbon-based sugar molecule calleddeoxyribose, and a phosphorus-contai...
The estuarine plastisphere, a novel ecological habitat in the Anthropocene, has garnered global concerns. Recent geochemical evidence has pointed out its potential role in influencing nitrogen biogeochemistry. However, the biogeochemical significance of the plastisphere and its mechanisms regulating nitrogen ...
The following parameters were used: 5500 V ion spray voltage; 25 nitrogen curtain gas; 100 °C TEM, 20 source gas 1, 20 source gas 2. The 90 min information-dependent acquisition (IDA) consisted of a survey scan of 200 ms (TOF-MS) in the range 350 – 1250 m/z to...
Under a Creative Commons license open accessInflammation, characterized by the activation of both resident and infiltrated immune cells, is accompanied by increased production of oxidizing and nitrating species. Nitrogen dioxide, the proximal nitrating species formed under these conditions, reacts with unsa...
We aimed to identify the main native molecule(s) responsible for this effect and to elucidate its mechanism of action. Materials and methods Bacterial strains, media, and growth conditions In the study, we tested three Lactococcus lactis spp. lactis strains (Lc2, Lc3, Lc4), obtained from the...