However, upon immunization with SRBC ( sheep red blood cells ), these mice demonstrated a deficiency in the maturation of an antibody response ; they were able to generate normal levels of IgM, but could not develop specific IgG levels.

However, due to differing levels of celebrity in different regions, it is difficult to place people within one bracket.

However, some nations haven't updated their information and assume reserves remain at the same levels even with withdrawals.

However, stenographers typically train for three years before reaching professional levels of speed and accuracy.

However, a majority of the former Soviet Republics have not yet reached pre-collapse levels of economic development.

However, in plant tissues that carry on photosynthesis, carotenoids act to quench electronically excited chlorophyll produced by visible light in a process called non-photochemical quenching, in order to prevent reactions which would otherwise infere with photosynthesis at high light levels.

However, the medical view is that the rush or high associated with the activity is not due to adrenaline being released as a response to fear, but due to increased levels of dopamine, endorphins and serotonin because of the high level of physical exertion.

However, he also instituted a hierarchical system of levels among his followers, and had them swear an oath on his core tenets.

However, courts and various levels of government have indicated that the right is not without limit, and restrictions such as a prohibition of certain persons from owning or handling a gun ( convicted felons, mentally ill persons, persons under a restraining order ), a ban on certain types of ammunition ( armor-piercing, incendiary / tracer, explosive ), registration and restriction of certain types of firearms ( automatic weapons, short-barrelled shotguns, certain types of modifications ), and licensing requirements for possession or for public carry, have often passed judicial scrutiny ( although some of these points remain untested and others are currently under challenge ).

However, scientists disagree about just how much time giraffes spend feeding at levels beyond the reach of other browsers.

However, ice melt caused world sea levels to rise about in the early part of the Holocene.

However, the binding to hemoglobin does serve as a record for average blood glucose levels over the lifetime of red cells, which is approximately 120 days.

However, since network news use of the term pertained primarily to the criminal activities despite this attempt by the technical community to preserve and distinguish the original meaning, the mainstream media and general public continue to describe computer criminals with all levels of technical sophistication as " hackers " and does not generally make use of the word in any of its non-criminal connotations.

However, the biggest chunk of Italian public debt is owned by national subjects, and relatively high levels of private savings and low levels of private indebtedness are seen as making it the safest among Europe's struggling economies.

However, these deadly fish are considered a delicacy among the Jamaican population, due to the high levels of vitamin B < sup > 12 </ sup > which is found within the fatty tissue which is abundant in this fish.

However in the case of the free electron laser, atomic energy levels are not involved ; it appears that the operation of this rather exotic device can be explained without reference to quantum mechanics.

However the consumption of moose liver or kidneys significantly increased cadmium intake, with the study revealing that heavy consumers of moose organs have a relatively narrow safety margin below the levels which would probably cause adverse health effects.

However, the fact that this particular formulation assigns numerical values to levels of satisfaction is the source of criticism ( and even ridicule ).

However, modafinil also elevates hypothalamic histamine levels, leading some researchers to consider modafinil a " wakefulness promoting agent " rather than a classic amphetamine-like stimulant.

However, nitrate exposure may also occur if eating, for instance, vegetables containing high levels of nitrate.

However, what the other party feels might be just as important, as group emotions are known to affect processes both at the group and the personal levels.

However, there is no normative methodology to choose levels of significance.

However, it reacts with molten metals, hydrogen, halogens, chalcogens and pnictogens to form various binary compounds.

However, despite the success of Drude's free electron model, it had one notable problem, in that it was unable to correctly explain the electronic contribution to the specific heat of metals, as well as the temperature dependence of resistivity at low temperatures.

However, the instability in the ratio between the two grew over the course of the 19th century, with the increase both in supply of these metals, particularly silver, and of trade.

) However, this has generally not been the case throughout the rest of history for circulation coins made of precious metals.

However, because fiat money is backed by government guarantee of a certain amount of goods and services, where the value of this is in turn determined by free market currency exchange rates, similar to the case for the international market exchange values which determines the value of metals which back commodity money, in practice there is very little economic difference between the two types of money ( types of currencies ).

However since 2000, Kazakhstan's economy grew sharply, aided by increased prices on world markets for Kazakhstan's leading exports — oil, metals and grain.

However, they warned that the recycling rates of some rare metals used in applications such as mobile phones, battery packs for hybrid cars and fuel cells are so low that unless future end-of-life recycling rates are dramatically stepped up these critical metals will become unavailable for use in modern technology.

However, by learning to get copper and tin by heating rocks and combining those two metals to make an alloy called bronze, the technology of metallurgy began about 3500 BC with the Bronze Age.

However metals are often readily soluble in each other while retaining the metallic character of their bonding.

However, with the start of World War II the demand for metals made the manufacture of saws too expensive and many of these companies went out of business.

However, some metals have a mostly filled conduction band.

However, the + 1 state, which is far more prominent in thallium than the elements above it, recalls the chemistry of alkali metals, and thallium ( I ) ions are found geologically mostly in potassium-based ores, and ( when ingested ) are handled in many ways like potassium ions ( K < sup >+</ sup >) by ion pumps in living cells.

However, these countries debased their coins by switching to cheaper metals as the market value of silver rose above that of the face value.

However, charcoal is ineffective against metals such as sodium, potassium, and lithium, and alcohols and glycols ; it is also not recommended for ingestion of corrosive chemicals such as acids and alkalis.

However, mining and processing the various alternate metals that form the negative electrode may pose other types of environmental impact, depending on the metal, mining method, and environmental practices of the mine.

However, the limited choice of metals in this period, meant that he had to use copper as the braking medium acting on the disc.

However, they found that the recycling rates of many metals are very low.

However, this method alone ( as well as chlorination alone ) will not remove bacterially produced toxins, pesticides, heavy metals, etc.

However, there was no risk assess for pathogens or chemicals and heavy metals were not considered to be cancer causing agents.

However, metals and ceramics can be treated with certain impurities, and metals can be mechanically worked to make their grain structures directional.

However, the use of a face-centered cubic ( fcc ) or diamond cubic substrate allows the epitaxial growth of fcc transition metals.

However, even ductile metals will fracture when the strain becomes large enough-this is as a result of work hardening of the material, which causes it to become brittle.