Certain ratios of these materials will provide beneficial bacteria with the nutrients to work at a rate that will heat up the pile.

Certain soft or elastic materials become hard and brittle at very low temperatures, which makes cryogenic milling ( cryomilling ) an option for some materials that cannot easily be milled at higher temperatures.

Certain illumination algorithms and reflective or translucent materials may require more rays to be re-cast into the scene.

Certain image capturing devices are capable of producing images through materials that are opaque to visible light, including clothing.

Certain materials change their optical properties when subjected to an electric field.

Certain materials have a sweet spot in terms of density that makes them particularly useful in this role.

Certain ceramic materials have low density, chemical inertness, high strength, hardness and temperature capability ; nanocrystalline ceramics have even greater strength and higher superplasticity.

Certain materials, such as glass and glycerol, may harden without crystallizing ; these are called amorphous solids.

Certain kinds of filters use other materials inside a glass sandwich ; for example, polarizers often use various special films, netting filters have nylon netting, and so forth.

Certain materials used in the manufacture of clothing, such as cotton, wool, and linen, contain numerous very short fibers bundled together.

Certain countries, such as those belonging to the EU, have legal regulations specifying which materials can be used in new piercings.

Certain specific health, safety, and materials programs were transferred to the Department of Energy, and certain minerals information activities moved to the U. S. Geological Survey and the Bureau of Land Management.

Certain other properties of small particles, in addition to those already mentioned in connection with penetration of the respiratory tract, are noteworthy in defense considerations.

Certain primitive salamanders in the families Sirenidae, Hynobiidae and Cryptobranchidae practice external fertilisation in a similar manner to frogs, with the female laying the eggs in water and the male releasing sperm onto the egg mass.

Certain government bureaucracies, such as a department of motor vehicles will issue an abstract of a completed transaction or an updated record intended to serve as a proof of compliance with some administrative requirement.

Certain problems arise with the idea of a particular person continuing after death.

Certain elements have no stable isotopes and are composed only of radioactive isotopes: specifically the elements without any stable isotopes are technetium ( atomic number 43 ), promethium ( atomic number 61 ), and all observed elements with atomic numbers greater than 82.

Certain people are known even to people unfamiliar with the area in which they excelled.

Certain clerics in many dioceses at the time, not just that of Rome, were said to be the key personnel — the term gradually became exclusive to Rome to indicate those entrusted with electing the bishop of Rome, the pope.

Certain general functional requirements need to be met in conjunction with a database.

Certain forms of the gene are associated with a mild form of epilepsy.

Certain matte paintings were rendered by James Cameron, who was at the time a special effects artist with Roger Corman's New World Pictures.

* Certain population segments have been historically under-researched ( racial minorities and people with co-morbid diseases ), and thus the RCT restricts generalizing.

Certain lesions require Long-term video-EEG monitoring with the use of intracranial electrodes if noninvasive testing was inadequate to identify the epileptic focus or distinguish the surgical target from normal brain tissue and function.

Certain civil servants were extremely passive in their dealings with China, he said.

In 1592, he was commissioned to write a tract in response to the Jesuit Robert Parson's anti-government polemic, which he titled Certain observations made upon a libel, identifying England with the ideals of democratic Athens against the belligerence of Spain.

Certain elements of the game are reminiscent of rugby: for instance, the degree of force that defense may use to stop the attacker with the ball, together with the lack of protections and helmets.

Certain organic compounds found in grapefruit are known to interfere with the hepatic cytochrome P450 enzyme CYP2D6, which is responsible for converting hydrocodone into hydromorphone.

Certain scholarship holds that the practices, emblems and architecture now commonly associated with the Hindu pantheon and Jainism may go back as far as Late Harappan times to the period 2000 – 1500 BCE.

Certain norms of international law achieve the binding force of peremptory norms ( jus cogens ) as to include all states with no permissible derogations.

Among his extant writings, Calvin only dealt explicitly with issues of contemporary Jews and Judaism in one treatise, Response to Questions and Objections of a Certain Jew.

Certain regions are especially associated with some dishes ( for example, the city of Jeonju with bibimbap ) either as a place of origin or for a famous regional variety.

Certain possible sources of law are specifically ended: laws of the Bábí religion, notably in the Persian Bayán, oral traditions ( linked with pilgrim notes, and natural law, ( that is to say God's sovereign will through revelation is the independent authority.

Certain Japanese swordsmiths of this period began to make blades with thicker backs and bigger points as a response to the Mongol threat.

Certain clientes, or small communities, were also dependent upon the Aedui.

Certain classes of dendrites ( i. e. Purkinje cells of cerebellum, cerebral cortex ) contain small projections referred to as " appendages " or " spines ".

Certain types of chondrites also contain small amounts of organic matter, including amino acids, and presolar grains.

Certain species can indeed gallop, including Cuban crocodiles, New Guinea crocodiles, African dwarf crocodiles, and even small Nile crocodiles.

Certain vesicle-trafficking steps require the transportation of a vesicle over a moderately small distance.

Certain other animals — birds and mammals too small to be of interest to the huge raptor — often use the nest as shelter.

Certain types of very small artificial vesicle will automatically make themselves slightly asymmetric, although the mechanism by which this asymmetry is generated is very different from that in cells.

Certain squid and small crustaceans use bioluminescent chemical mixtures or bioluminescent bacterial slurries in the same way as many squid use ink.

Certain economic measures proposed by the Liberals ( like the Desamortización, i. e. the takeover, division and sale of the commons and Church property, initiated in 1821 ) were directly threatening to the viability of many small farms, whose inhabitants could rely on the common pasture lands to feed, at little or no cost, their mules and oxen, and caused widespread poverty and the closing down of most hospitals, schools and other charities.

Certain magic spells allow the player to affect multiple targets by using a small sphere positioned within the Battle Mode wire frame.

Certain local gods mentioned within the text allow the Liber Linteus's place of production to be narrowed to a small area in the southeast of Tuscany near Lake Trasimeno, where four major Etruscan cities were located: modern day Arezzo, Perugia, Chiusi and Cortona.

Certain species of pterosaurs were filter feeders, with many thin bristle-like teeth to sift small organisms out of the water, similar to the lamellae of flamingoes.

De Gaulle cancelled the rest of his official visit to Canada after Prime Minister Lester B. Pearson said: " Certain statements by President de Gaulle tend to encourage the small minority of our population whose aim is to destroy Canada: and as such, they are unacceptable to the Canadian people and its government.

Certain controllers like the HP-71 module or the HP82973A ISA interface could act as slaves as well, enabling a small network of calculators to be set up.

Certain areas of land are currently awaiting development, including the former Box Hill Institute of TAFE's East Doncaster campus, now a newly subdivided small housing estate and a large area surrounding the Cherry Hill Tavern, which is proposed for a reception centre.

Certain formalities were observed, most important among which were libations, the pouring of a small amount of wine in honour of various deities or the mourned dead.

Influenced by a mixture of Arminian, millenarian, Calvinist, and Unitarian ideas, he converted to be a Methodist, and soon published a small theological tract called Truth Self Supported: or, a Refutation of Certain Doctrinal Errors Generally Adopted in the Christian Church.

Elsewhere on the small screen, he notably appeared on the television show Men of a Certain Age, which was written and directed by Ray Romano, and met with critical acclaim.

The unincorporated town of Dryhill, ( 37. 1546 ° North, 83. 4157 ° West ), is the proper name of Hell for Certain, located seven miles north of the small town of Hyden.

Certain results of his intellectual approach shown in the series and the film adaptation include building a makeshift catapult to beat his father in a stone-ferrying contest, fitting their longship with kites to make it glide through the air, and using a small sawfish to cut an escape hole through a wooden door.

Certain weapons can be used by more than one character, such as small axes that can be wielded by both Vahn and Gala.

Certain Roman Catholic natives such as Abel Yun were found willing to impart to him as much of the Mandarin Chinese as they could ; but he soon found that the knowledge of this did not enable him to understand, or make himself understood by, the common people ; and he had not come to China simply to translate the Scriptures into the speech of a comparatively small aristocratic class.

Certain solvent-based or oil-based siding stains contain small amounts of paraffin wax, which cannot be painted over, although re-staining is still possible.