Za ropanje s pištolo
Zavlačevati
Da ostanejo v dobrem stanju
Podpreti nekaj na visokem položaju, da se to vidi
Podpreti nekoga ali nekaj, da prepreči, da bi padel
Angleški frazni glagol, to hold up , je prehoden in ločljiv.
Phrasal verbs can be extremely tricky for learners of English. The reason for this is twofold: there are lots of them and their meaning is not always obvious from the words that make them up. To make things even more difficult, phrasal verbs can have multiple meanings, adding to the headache for learners.
A phrasal verb is made up of a main verb with an attached preposition or adverb. An example of a phrasal verb is run into. Where run is the main verb and into is the preposition. Phrasal verbs can be separated into two groups, intransitive and transitive verbs. Intransitive phrasal verbs do not have a direct object: go out, for example, "I want to go out tonight". Transitive phrasal verbs have a direct object and they can be split up into two further categories: separable and inseparable. With separable transitive phrasal verbs, the verb and the preposition can be split up. For example, both “turn off the radio” and “turn the radio off” are both correct. Inseparable phrasal verbs cannot be split up. For example, “I’ll look after you” is correct, but “I’ll look you after” is not.
Using Storyboard That you can prepare a visual dictionary of phrasal verbs quickly and easily. Even better than that, have your students create their own phrasal verb visual definitions.
{Microdata type="HowTo" id="9843"}PV Hold-Up se nanaša na skupni volumen procesa, ki je vsebovan v sistemu, merjen v tlak-volumski enoti. Uporablja se za določitev količine materiala znotraj opreme, kot so cevi, reaktorji in rezervoarji med delovanjem.
Razumevanje PV Hold-Up je ključno za varnost procesa, učinkovitost in nadzor. Pomaga inženirjem izračunati inventar, upravljati s pretoki in preprečiti prekomerno polnjenje ali nevarno povečanje tlaka.
Za izračun PV Hold-Up pomnožite notranji volumen opreme s tlakom, pri katerem je tekočina shranjena. Formula je: PV Hold-Up = Volumen × Tlak.
Cevi, reaktorji, skladiščni rezervoarji in toplotni izmenjevalniki so pogosti primeri opreme, kjer se meri PV Hold-Up za spremljanje in nadzor procesnih pogojev.
Visok PV Hold-Up lahko poveča tveganje za puščanje, preobremenitev ali kemično izpostavljenost. Upravljanje hold-up-a zagotavlja varen obrat in hitro ukrepanje v primeru nujnih dogodkov.