Since the mechanism of retention on this new solid support is different from the first dimensional separation, it can be possible to separate compounds that are indistinguishable by one-dimensional chromatography.

Since these compounds tend to be more reactive than compounds that obey their rule, electron counting is an important tool for identifying the reactivity of molecules.

Since these were all individual compounds, he demonstrated that it was possible to make a chemical change in various fats ( which traditionally come from organic sources ), producing new compounds, without " vital force ".

Since organic compounds often exist as mixtures, a variety of techniques have also been developed to assess purity, especially important being chromatography techniques such as HPLC and gas chromatography.

Since many compounds without such bonds are chemically similar, an alternative may be compounds containing metal-element bonds of a largely covalent character.

Since the system is closely related to the machinery for building fatty acids and polyketides, hybrid compounds are often found.

Since the complete combustion of both of these carbon compounds produce carbon dioxide ( CO < sub > 2 </ sub >) and water ( H < sub > 2 </ sub > O ), there is more bond-breaking and bond-making when Methane is burnt.

Since then many 5-ASA compounds have been developed with the aim of maintaining efficacy but reducing the common side effects associated with the sulfapyridine moiety in sulfasalazine.

Since at least the early part of the 20th century, doctors have known that silver or silver compounds can cause some areas of the skin and other body tissues to turn gray or blue-gray.

Since all natural waterways contain bacteria and nutrients, almost any waste compounds introduced into such waterways will initiate biochemical reactions ( such as shown above ).

Since the internal contrast is too difficult to measure, external agents such thulium compounds are used to enhance the effect.

Since explosive compounds are subject to friction practically every time they are handled it is of particular interest to be aware of the sensitivity to friction.

Since other blood compounds also have reducing properties ( e. g., urea, which can be abnormally high in uremic patients ), this technique can produce erroneous readings in some situations ( 5 to 15 mg / dL has been reported ).

Since the angles and distances can be precisely controlled, and the reaction occurs in a vacuum, novel chemical compounds and arrangements are possible.

Since its construction, constant emissions of heat and caustic gases have transformed much of the rock into clays ( mostly kaolinite ), iron oxides, sulfur-rich compounds and quartz.

Since Bartlett's observation, many well-defined compounds of xenon have been reported including XeF < sub > 2 </ sub >, XeF < sub > 4 </ sub >, and XeF < sub > 6 </ sub >.

Since crude oil generally contains only 10 to 40 percent of hydrocarbon constituents in the gasoline range, refineries use a fluid catalytic cracking process to convert high molecular weight hydrocarbons into smaller and more volatile compounds, which are then converted into liquid gasoline-size hydrocarbons.

Since sequencing of the human genome which allowed rapid cloning and synthesis of large quantities of purified proteins, it has become common practice to use high throughput screening of large compounds libraries against isolated biological targets which are hypothesized to be disease modifying in a process known as reverse pharmacology.

Since their discovery, over 70 BR compounds have been isolated from plants.

:* Since the value of log P is determined by linear regression, several compounds with similar structures must have known log P values.

Since the invention of Pinaud's early products, modern science has advanced the hair conditioner industry to include those made with silicone, fatty alcohols, and quaternary ammonium compounds.

Since he was the son of Cao Cao, he was often forced to kill and go to battle.

Since Lee moved Longstreet to Fredericksburg early, it allowed Longstreet to take the time to dig in portions of his line, methodically site artillery, and set up a kill zone over the axis of advance he thought the Union attack would come.

Since he had unsheathed it, the curse the Dwarves had put on the sword made Heidrek kill his brother Angantyr.

Since Niviarsiang is scared her father might kill the Adlet, she sends them inland, and from them a numerous people springs.

Since no one can kill you in the battlefield, you have no competitor.

Since no one can kill you in the battlefield, you have no competitor.

In a 1996 interview, Hall stated, " Since we went to Western Illinois University, Stabbing Westward had a certain ' kill everybody in the school ' vibe to it!

Since ferrets are limited in the number of rabbits they can kill, this is more a hunting activity than a serious control method.

Since tribunes were sacrosanct, it was seen as an act against the gods to kill one.

Since Bigelow has learned too much, Majak orders his psychotic henchman Chester ( Neville Brand ) to kill him.

Since most booby traps are rigged to detonate within a metre of the victim's body, this is adequate to kill or severely wound.

Since leaving the show, McCutcheon has publicly slammed the BBC's " Controller of Continuing Drama Series ", Mal Young, who made the decision to kill her character.

Since Hank was the most valuable slave — he was due to be sold the next day — the man becomes enraged and begins beating his other slaves, who fight back and kill him.

Since exposure to an unusual radiation generated by a crashed meteor, Savage has been functionally immortal, remaining unaged for over fifty thousand years and possessing a degree of enhanced healing, although this ability is intermittently portrayed between allowing him to recover from any injuries sustained to just allowing him to survive anything that might kill him ; he is even capable of getting drunk like any normal human.

Since Minbari do not kill one another, they chose to surrender rather than continue to kill their own souls.

* Since arctic wolves often travel in a group, the wolves ' best strategy is not to kill any surplus, since the whole group could sate themselves on just one or two large animals.

Since harpoons, spears, and firearms are prohibited, the whalers must be on the shoreline of the water and kill each individual whale.

Since Thiel cannot be tried again for his crimes, Chase tries to get him to incriminate himself before he can kill again.

Since 2008, Wynn has been embroiled in a legal battle with Girls Gone Wild impresario Joe Francis: Wynn accused Francis of owing him money, while Francis claimed that Wynn had threatened to kill him .. On February 22, 2012, Clark County, Nevada judge Mark Denton ruled Francis damaged the reputation of Wynn as a result of defamatory statements and awarded Wynn $ 7. 5 million in damages.

Since none of the players can kill the other, the situation is considered settled.

Since she has no idea yet why he tried to kill her, she doubts that she can convince the police that it wasn ’ t a drunken accident or attempted suicide.

Since Bourne has seen what Sheng is capable of, he says that he must go back into the fray and kill Sheng.

Since the Umnian Golems had their Chem inscribed directly in their clay, and it could not be modified, perhaps most golems have the " cannot kill " stricture engraved directly in their clay before firing.