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单词 oxalate
释义

oxalate /'ɒksəleɪt//'ɑksə,let/

英汉-汉英词典
n. 草酸盐;草酸
时 态: oxalated, oxalating, oxalates
词组 | 习惯用语
calcium oxalate 草酸钙
ammonium oxalate [化]草酸铵
sodium oxalate 草酸钠,乙二酸钠
英语例句库
  1. ResultsAtractylodes macrocephala Koidz.transection structure fiber synanthrin,crystalline calcium oxalate,cork cell and stone cell can be regarded as identification character.
    结果白术根茎横切面结构、纤维、菊糖、草酸钙针晶、木栓细胞、石细胞均可作为其鉴别特征。
  2. A new method for the synthesis of 1 methyl 3 propylpyrazole 5 carboxlic acid from 2 pentanone and diethyl oxalate is reported.
    以2-戊酮和草酸酯为起始原料,经缩合、与甲基肼环合、水解等三个步骤合成了1-甲基-3-丙基吡唑-5-羧酸。
  3. Oxalic acid is one of nature's most highly oxidized organic compounds, and the accumulation of oxalate in the body can cause various pathological disorders, including urolithiasis, hyperoxaluria, etc.
    草酸是一种高毒性化合物,它在体内的蓄积可引起各种病理状态,包括肾结石、高草酸尿症等。

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原声例句
经济学人-科技

Last summer they showed that oxalate oxidase can indeed enhance blight-resistance.

去年夏天,他们证明了,草酸氧化酶的确能够增强栗树的抗枯萎性。

经济学人-科技

He also knew that wheat has an enzyme called oxalate oxidase, which detoxifies oxalic acid.

他也清楚,小麦有一种草酸氧化酶,能够分解草酸。

经济学人-科技

He and his team therefore transferred the gene that encodes oxalate oxidase from wheat to chestnut.

于是,鲍威尔和他的团队将小麦中能够编码草酸氧化酶的基因转移到了栗树的基因中。

SciShow 合集

Like many plants, tea leaves contain tiny, hard crystals called phytoliths made of calcium oxalate.

像许多植物一样,茶叶含有微小的坚硬晶体,称为植硅体,由草酸钙制成。

Osmosis-泌尿

The most common type of stones are calcium oxalate stones, though other types include uric acid stones and struvite stones.

草酸钙结石是最常见的类型,其他类型的结石有尿酸结石和感染性结石。

TED-Ed(视频版)

Urine contains compounds that consist of calcium, sodium, potassium, oxalate, uric acid, and phosphate.

尿液中含有由钙、钠、钾、草酸盐、尿酸和磷酸盐组成的化合物。

TED-Ed(视频版)

Foods like potato chips, spinach, rhubarb, and beets are high in oxalate, so doctors might advise limiting them.

薯片、菠菜、大黄和甜菜等食物的草酸盐含量很高,因此医生可能会建议限制摄入。

Osmosis-泌尿

Calcium oxalate crystals are more likely to form in acidic urine, whereas calcium phosphate crystals are more likely to form in alkaline urine.

草酸钙结晶易形成于酸性尿中,而磷酸钙结晶易形成于碱性尿中。

TED-Ed(视频版)

Calcium oxalate is the most common type of crystal to form this way, and accounts for about 80% of kidney stones.

草酸是最常见的以这种方式形成的晶体类型,约占肾结石的 80%。

Osmosis-泌尿

Sometimes, instead of oxalate, the calcium binds a negatively charged phosphate group to form calcium phosphate stones, which are dirty white in color and alsop radiopaque on an Xray.

有时候,钙离子与带负电荷的磷酸基团结合而非草酸,形成的磷酸钙结石呈灰白色,也在x线片上显影。

中文百科

草酸盐

草酸根离子(C2O42−)的结构。

草酸盐是草酸形成的盐类,含有草酸根离子(C2O4或(COO)2)。由于草酸是二元酸,因此草酸盐分为正盐草酸盐与酸式盐草酸氢盐两类,后者含有HC2O4

草酸根离子(见右图)可作配体,与很多金属离子形成配合物,尤其是螯合物。该离子中,含有一个平面的八电子π体系,电子稳定性特别突出。它属于还原性阴离子,可被氧化剂,如高锰酸钾氧化为二氧化碳。

草酸盐有毒,人吞食可能发生草酸盐中毒,导致肾脏疾病甚至死亡。草酸根离子可沉淀钙离子,生成不溶于水的草酸钙。

英语百科

Oxalate 草酸盐

The structure of the oxalate anion
A ball-and-stick model of oxalate
Scanning electron micrograph of the surface of a kidney stone showing tetragonal crystals of weddellite (calcium oxalate dihydrate) emerging from the amorphous central part of the stone; the horizontal length of the picture represents 0.5 mm of the figured original.

Oxalate (IUPAC: ethanedioate) is the dianion with the formula C2O4, also written (COO)2. Either name is often used for derivatives, such as salts of oxalic acid, for example sodium oxalate Na2C2O4, or dimethyl oxalate ((CH3)2C2O4). Oxalate also forms coordination compounds where it is sometimes abbreviated as ox.

近义、反义、联想词
近义词
n.
salt

联想词
calcium钙;chloride氯化物;potassium钾;sodium钠;sulfate硫酸盐;ammonium铵;hydroxide氢氧化物;magnesium镁;carbonate碳酸盐;manganese锰;nitrate硝酸盐;
英英词典
oxalate n.
  1. a salt or ester of oxalic acid
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更新时间:2025/6/17 17:35:33