Hopanoids are natural pentacyclic compounds (containing five rings) based on the chemical structure of hopane.

The event has also reminded us of how poverty compounds the devastation caused by natural events.

We are composed of chemical compounds, surrounded by chemical compounds, and consuming chemical compounds.

2.7.3.2 (a)(ii) Amend to read Natural uranium, depleted uranium, natural thorium or their compounds or mixtures, providing they are unirradiated and in solid or liquid form .

There's intermediate compounds.

Organocatalysis often employs natural compounds and secondary amines as chiral catalysts these are inexpensive and environmentally friendly, as no metals are involved.

Compounds from natural products are considered to be more agreeable to consumers and two thirds of the anti cancer drugs, for example, are derived from both terrestrial and marine natural products.

Host guest chemistry is observed in inclusion compounds, Intercalation compounds, clathrates, and molecular tweezers.

There are many natural bismuth tellurides of different stoichiometry, as well as compounds of the Bi Te S (Se) system, like Bi2Te2S (tetradymite).

Organochlorine hydrocarbons (e.g., DDT) could be separated into dichlorodiphenylethanes, cyclodiene compounds, and other related compounds.

In contrast to phenolics, quaternary ammonium compounds are not very effective in the presence of organic compounds.

Environmental degradation further compounds these problems.

Diplomats are locked in embassy compounds.

But the important thing is that you have two of these compounds that are now 3 carbon compounds.

They are loaded with toxic chemicals in their body, hundreds of compounds, all kinds of compounds it's staggering.

Oil contains hundreds of hydrocarbon compounds and other compounds that are toxic to every organ in the body.

Compounds Iridium forms compounds in oxidation states between 3 and 9 the most common oxidation states are 3 and 4.

In the United States, the approval of new drugs increased by 25 per cent in 2003, with some 300 biotechnology products based on natural compounds (see also para.

Consequently, they use organic compounds from the environment to satisfy their carbon requirements these compounds include carbohydrates, fatty acids, and alcohols.

Different compounds can be placed around the triangle.

Cyclic compounds may or may not be aromatic.

It exudes unclear like compounds from the roots.

It's very simple we don't invent molecules, compounds.

Inorganic carbon compounds Many compounds that contain carbon are considered inorganic, for example, carbon monoxide, carbon dioxide, carbonates, cyanides, cyanates, carbides, and thiocyanates.

Other chemical differences between these two groups include the nature of heteroatoms (O and N enriched in natural products, and S and halogen atoms more often present in synthetic compounds), as well as level of non aromatic unsaturation (higher in natural products).

In contrast, organic compounds are found in biological systems.

An analogous process for organic nitrogen compounds is deamination.

Remember you have two of these compounds right here.

So this happens once for each of these compounds.

Clearly there's something unique about this class of compounds.

The way I expect everybody to memorize these compounds.

Well, we detected 113 different compounds in my blood.

These compounds are stored in the body's fat, and when the fatty tissues are used for energy, the compounds are released and cause acute poisoning.

Other compounds detected in volcanic gases are oxygen (meteoric), hydrogen chloride, hydrogen fluoride, hydrogen bromide, nitrogen oxide (NOx), sulfur hexafluoride, carbonyl sulfide, and organic compounds.

The persistent specter of climate change only compounds public anxiety.

Organic reactions Organic reactions are chemical reactions involving organic compounds.

The alloying elements tend to form either compounds or carbides.

levels of these compounds in our bodies than the Europeans.

Corexit also contains petroleum solvents and many other toxic compounds.

I just prefer what my own tobacconist compounds for me.

With respect to military contingents, improved perimeter fencing and lighting around military compounds have been put up, and access control to military compounds has been strengthened.

He made clear distinction between sodium carbonate and potassium carbonate, and drew attention to the poisonous nature of copper compounds, especially copper vitriol, and also lead compounds.

The brown color of ceramic is sometimes based on manganese compounds.

The distinction between inorganic and organic compounds is not always clear.

It is one of the more commonly encountered compounds of ytterbium.