酸zhòngyīngguànyònglìgōu:
| - ( huà xué) yǔ mǒu zhǒng suān xiāng guān huò zhě hán yòu mǒu zhǒng suān ; ph zhí xiǎo yú 7。
(chemistry) relating to or containing an acid; having a pH of less than 7.- zài yī gè bǐ jiào suān de huán jìng zhōng zhuó zhuàng chéngzhǎng de;( tè bié shì zhǐ zhí wù) xū yào zhèng hǎo dī yú 7 de ph zhí。
thriving in a relatively acid environment; (especially of plants) requiring a pH well below 7.- jiān cè de 274 gè chéng shì zhōng, jiàng shuǐ ph zhí fàn wéi zài 4.21 ~ 8.04 zhī jiān、 nián jūn jiàng shuǐ ph zhí xiǎo yú 5.6( hán 5.6) de chéng shì yòu 101 gè, zhàn tǒng jì chéng shì shù de 36.9%, chū xiàn suān yǔ de chéng shì yòu 161 gè, zhàn 58.8%。
In the 274 cities being monitored, there are 101 cities where the pH value of the precipitation is at 4.21~8.04, and the pH value of the annual precipitation is under 5.6 (including 5.6), accounting for 36.9%. There are 161 cities with acid rain, accounting for 58.8%.- kē xué jiā men yǐ qián hái céng fā xiàn qiǎo kè lì zhōng hán yòu shí tàn suān 。
Scientists previously have found that chocolate contains phenols.- chá yè zhōng lìng yī fēn lèi zǔ fēn shì 3- lín - méi shí zǐ xiān kuí ní suān , tā yuē zhàn chá yè gān zhòng de 1%。 tóng shǔ fēn lèi huà hé wù de lǜ yuán suān zài chá yè zhōng shì cì yào chéngfèn。
Another phenolic constituent is tea, theogallin, accounts for approximately 1 percent of the dry weight of the leaf. Chlorogenic acid, also a phenolic compound, is a minor constituent in tea.- zhè xiē fēn lèi huà hé wù de fènzǐ shì wéi : biǎo 'ér chá sù suān zhǐ shì gān lǜ chá zhōng de zhù yào huáng wán chún。
The formulas for these phenolic compounds are Epigallocatechin gallate is the main flavanol in dried green tea.- wèi yú nǎo lǔ dǎo shàng de yī gè gòng hé guó; lín suān yán chū kǒu shì qí jīng jì zhī zhù。
an island republic on Nauru Island; phosphate exports support the economy.- tū ní sī de dì 'èr dà chéng shì; wèi yú tū ní sī dōng bù yī gè lín suān yán qū fù jìn。
the second largest city in Tunisia; located in eastern Tunisia near a phosphate region.- yī zhǒng hè sè dào huáng sè de kuàng wù, shì yǐ de lín suān yán, chéng jīng tǐ zhuàng。
a brown-to-yellow mineral that is a phosphate of yttrium in crystalline form.- tóng yóu yún mǔ ( tóng hé yóu de lín suān yán jié jīng tǐ ) de fàng shè xìng shì yóu fàng shè xìng de liǎng bèi。
Chalcolite ( crystallized phosphate of copper and uranium) is about twice as radioactive as uranium.- gāo lín suān yán niào niào zhōng lín suān yán guò liàng
An excess of phosphates in the urine.- fēi huán shì [ fēi xún huán ] guāng hé lín suān huà
non-cyclic photophosphorylation- nián guǒ suān jiāng yī zhǒng dì miàn yīng táo zhí wù,( suān jiāng shǔ nián guǒ suān jiāng) yuán chǎn yú mò xī gē, zài běi měi dōng bù guǎng fàn zhòngzhí, jù yòu huáng sè dào zǐ sè de kě shí xìng jiāng guǒ
A species of ground cherry(Physalis ixocarpa) native to Mexico, widely naturalized in eastern North America, and having an edible, yellow to purple viscid fruit.- liàn gāng róng lú yī zhǒng tōng guò suān xìng zhuànlú fǎ jiāng shēng tiě liàn chéng gāng de shè bèi
A furnace in which pig iron is converted into steel by the Bessemer process.- cháng de、 dài fěn hóng sè de suān yè bǐng, tōng cháng pēng rèn、 jiā táng hòu shí yòng。
long pinkish sour leafstalks usually eaten cooked and sweetened.- zhè wèi shì yàn zhě jiāng 20 háo shēng de suān yè xī rù xī liàng guǎn zhōng。
The experimenter sucked up 20cc of acid into a pipette.- xīn là de wèi dào là huò suān de; xīn là 'ér cì jī de
Sharp or sour to the taste; piquant.- suān bǎ yín qì de biǎo miàn fǔ shí liǎo。
Acid had pitted the surface of the silver. - zhè nǚ hái de kě lián jīng lì lìng rén xīn suān 。
They girl's pitiful experience would wring one's withers.- zhuànwèi zǐ yī zhǒng tuō yǎng hé táng hé suān piàn duàn, tā néng gòu yí dào tóng yī gè huò lìng yī gè rǎn sè tǐ、 zhì tǐ huò xì bāo shàng de xīn wèi zhì, bìng zhuǎn lù gè zhǒng jī yīn de tè xìng, rú duì kàng jūn tǐ de dǐ kàng lì
A segment of DNA that is capable of moving to a new position within the same or another chromosome, plasmid, or cell and thereby transferring genetic properties such as resistance to antibiotics.- yī zhǒng yòng yú zhì shù zhī hé sù liào de bù bǎo hé suān ( cho)。
an unsaturated acid (C4H6O2) used to make resins and plastics.- dàn suān shuǐ, xī suān yè zài jīn shǔ diàn dù huò jīng jiā gōng zhī qián yòng lái chú qù jīn shǔ biǎo miàn tiě xiù hé yǎng huà wù de huà xué róng yè, rú suān róng yè
A chemical solution, such as an acid, that is used as a bath to remove scale and oxides from the surface of metals before plating or finishing.- ǎi xiǎo zhí wù, yè zǐ jiàn xíng, yòu yí rén de suān wèi; gān hàn dì qū cháng jiàn。
small plant having pleasantly acid-tasting arrow-shaped leaves; common in dry places.- rè dài dà zhǒng zǐ jiá, guǒ ròu yòu cì jī xìng wèi dào, xīn xiān shí shí yòng, huò gēn dà mǐ、 yú yī qǐ zhǔ zhe chī, huò yǔ gālí fěn、 suān là jiàng yī qǐ chǔ cún。
large tropical seed pod with very tangy pulp that is eaten fresh or cooked with rice and fish or preserved for curries and chutneys.- zuì lìng rén xīn suān de shì, jiù zài tā sǐ qián 3 zhōu, tā hái jué dé “ rén shēng 40 suì cái kāi shǐ ”。 mèng lù sǐ shí nián jǐn 36 suì。
Most poignantly, just three weeks before she died of an overdose at the age of 36, she says she felt that 'life begins at 40'.- yī zhǒng wú sè de jīng zhuàng suān , dài shuǐ guǒ wèi, yòng yú zhì jù zhǐ。
a colorless crystalline acid with a fruity taste; used in making polyester resins.- ruǎn yǐn liào de bāo zhuāng cǎi yòng hé chéng cái liào pet, yě jiù shì jù yǐ xī duì běn 'èr suān zhì chéng。
Soft drinks bottles made from the synthetic material PET, or polyethylene-terephthalate.- duō( jù) hé gān hé yóu xǔ duō hé gān suān gòu chéng de yī zhǒng jù hé huà hé wù
A polymeric compound consisting of a number of nucleotides. - dī( jù) hé gān suān yóu liǎng gè dào shí gè hé gān suān gòu chéng de yī tiáo duǎn jù tǐ liàn
A short polymeric chain of two to ten nucleotides.- lèi dàn bái zhì yī zhǒng lèi sì dàn bái zhì de duō tài, yóu 'ān jī suān hùn hé wù shòu rè hòu yǐ wú shēng mìng de xíng shì xíng chéng, rén men rèn wéi tā lèi sì yú dàn bái zhì jìn huà guò chéng zhōng de zǎo qī jiē duàn
A proteinlike polypeptide formed abiotically from amino acid mixtures in the presence of heat, thought to resemble early evolutionary forms of protein.- yī xiē zhí wù yóu zhī zhōng de yī zhǒng yè tǐ duō bù bǎo hé zhī fáng suān , yī zhǒng bì xū zhī fáng suān 。
a liquid polyunsaturated fatty acid that occurs in some plant oils; an essential fatty acid.- luò shān jī xué xiào dǒng shì huì chéng yuán yǐ quán piào tōng guò zhè xiàng jué yì, zài 2004 nián 1 yuè zhī qián jìn zhǐ zài zì dòng shòu huò jī hé zì zhù cān tīng lǐ chū shòu tàn suān yǐn liào。 jìn guǎn yòu yì yì shuō jùn nèi 677 suǒ xué xiào xū yào xiāo shòu yǐn liào suǒ dài lái de lì rùn bǔ tiē, dǒng shì huì hái shì rèn wéi xué shēng de jiàn kāng bǐ chóu cuò zī jīn gèng zhòng yào。
In voting unanimously to end the sale of soda in vending machines and cafeterias by January of 2004, the Los Angeles School Board rejected arguments that its 677 campuses need the money they make from the drinks, saying that students' health should take precedence over fund-raising.
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