Many industries, notably textiles, firearms, clocks and watches, buttons, horse-drawn vehicles, railroad cars and locomotives, sewing machines, and bicycles, saw expeditious improvement in materials handling, machining, and assembly during the 19th century, although modern concepts such as industrial engineering and logistics had not yet been named.

Many of the above concepts, especially equivalence of categories, adjoint functor pairs, and functor categories, can be situated into the context of higher-dimensional categories.

Many concepts once thought to be analogous, such as the Chinese Wu Xing, are now understood more figuratively.

Many definitions of music implicitly hold that music is a communicative activity which conveys to the listener moods, emotions, thoughts, impressions, or religious, philosophical, sexual, or political concepts or positions.

Many concepts and techniques of analysis and differential equations have been generalized to the setting of Riemannian manifolds.

Many of the concepts in dynamical systems can be extended to infinite-dimensional manifolds — those that are locally Banach spaces — in which case the differential equations are partial differential equations.

Many concepts initially introduced by Eiffel later found their way into Java, C #, and other languages.

Many of his ideas about nature and physics presaged important scientific concepts of our time.

Many social anarchists see negative and positive liberty as complementary concepts of freedom.

Many years later, David Lynch directed the film, using only rough concepts by Giger.

Many scientific papers have been published about related concepts.

Many religions use similar concepts, but different terminology, to venerate individuals worthy of honor in some way, e. g., see Hindu saints.

Many states refer to some extent to federal concepts for determining taxable income.

Many scientific concepts are of necessity vague, for instance species in biology cannot be precisely defined, owing to unclear cases such as ring species.

Many graphical user interfaces ( GUIs ), including Mac OS, Microsoft Windows, or the X Window System, are primarily based on 2D graphical concepts.

Many Europeans bought land from Māori, but misunderstanding and different concepts of land ownership led to conflict and bitterness.

; Machine independent vs machine dependent: Many optimizations that operate on abstract programming concepts ( loops, objects, structures ) are independent of the machine targeted by the compiler, but many of the most effective optimizations are those that best exploit special features of the target platform.

Many of the concepts of science and philosophy are often defined culturally and socially.

Many of its concepts come from the ideas and innovations of 20th century modern dance, including floor work and turn-in of the legs.

Many other words related to normative or regulatory concepts derive from this same root, including correct, regulate, and rex ( meaning " king "), whence regal and thence royal.

Many of these concepts would in fact be somewhat theoretical to the average Culture citizen.

Many concepts essential to understanding soil come from individuals not identifiable strictly as soil scientists.

Many concepts from ring theory, such as ideals, Jacobson radicals, and factor rings can be generalized in a straightforward manner to this setting.

Many of the legalistic concepts were compatible ; for example the Viking wapentake, the standard for land division in the Danelaw, was effectively interchangeable with the hundred.

Many elements of target concepts come from source domains and are not preexisting.

Many Americans reacted irrationally to the challenge of Russia and turned to the repression of ideas by force.

Many potters clung to the past the more determinedly as they were confronted with radically new ideas ; ;

Many of the early building societies were based in taverns or coffeehouses, which had become the focus for a network of clubs and societies for co-operation and the exchange of ideas among Birmingham's highly active citizenry as part of the movement known as the Midlands Enlightenment.

Many scholars such as Jerome visited the school of Alexandria to exchange ideas and to communicate directly with its scholars.

Many design ideas for the language came from Craig's Master's Thesis in Computer Science at the University of Toronto.

Many people have mistakenly claimed that my ideas were formed under the influence of Strindberg and the Germans … but that is wrong.

Many of the basic ideas that animated the movement developed in the aftermath of the Second World War and the atrocities of The Holocaust, culminating in the adoption of the Universal Declaration of Human Rights in Paris by the United Nations General Assembly in 1948.

Many of Adams's ideas in composition are a reaction to the philosophy of serialism and its depictions of " the composer as scientist.

Many labor unions and workers ' parties worldwide were also influenced by Marxist ideas, while various theoretical variants, such as Leninism, Stalinism, Trotskyism, and Maoism, were developed from them.

Many Third World anti-colonial movements adopted left-wing and socialist ideas.

Many different problems are addressed, like foreign policy, declarations of war, the legitimacy of leaders, and the introduction of new ideas and laws.

Many of the ideas about the links between rhymes and historical persons, or events, can be traced back to Katherine Elwes's book The Real Personages of Mother Goose ( 1930 ), in which she linked famous nursery-rhyme characters with real people, on little or no evidence.

Many of the ideas in Klein's book derive from the influence of the Situationists, an art / political group founded in the late 1950s.

Many of these young people later abandon their positive view of Rand and are often said to have " outgrown " her ideas.

Many object database ideas were also absorbed into SQL: 1999 and have been implemented in varying degrees in object-relational database products.

Many of the ideas developed by historical and modern personality theorists stem from the basic philosophical assumptions they hold.

Many historians of science have seen other ancient and medieval antecedents of these ideas.

Many names and ideas in the play were borrowed from people or places the author had known ; Lady Queensberry, Lord Alfred Douglas ' mother, for example, lived at Bracknell.

" Many contemporary men's journals ( e. g., The Days ' Doings ) published sexualized images of the pair running their firm ( although they did not participate in the day-to-day business of the firm ), linking the concept of publicly minded, un-chaperoned women with ideas of " sexual immorality " and prostitution.

Many Polish writers studied abroad, and at the Kraków Academy, which became a melting pot for new ideas and currents.

Many such views stress competition between individuals in laissez-faire capitalism ; but the ideology has also motivated ideas of eugenics, scientific racism, imperialism, fascism, Nazism and struggle between national or racial groups.

Many of the pillars of Maoism such as the distrust of intellectuals and the abhorrence of occupational specialty are typical populist ideas.

Many of its elements originated in religious ideas, but the conflict between Horus and Set may have been partly inspired by a regional struggle in Egypt's early history or prehistory.