英语释义

• a chemical formula based on analysis and molecular weight

片语

mol fm molecular formula分子式

its molecular formula分子式

Molecular structural formula分子结构式

molecular structural formula detail分子结构式

molecular formula calculation分子式预测

general molecular formula分子通式

molecular r formula分子式

calculating molecular formula计算分子式

structural formula[化学] 结构式；分子式

structure molecular formula结构分子式

英汉例句

• menthol is a chemical agent, menthol by the mint leaves and stems in the extract, white crystals, molecular formula c10h20o, mint, and peppermint oil to the main ingredient.

  薄荷脑是一种化学药剂，薄荷脑系由薄荷的叶和茎中所提取，白色晶体，分子式c10h20o，为薄荷和欧薄荷精油中的主要成分。

• the molecular formula is therefore established as that multiple of the empirical formula which most closely coincides with the determined molecular weight.

  因此取与测得的分子量最接近吻合的实验式的倍数来确定分子式。

• this is what the molecular formula means.

  这就是此分子式的含义。

• wedge perspective formula is one of methods to expresses organic molecular formula 「s stereoscopic construction , the means to write it in chemistry textbook isn」t very dearly .

  楔形式是有机分子立体结构表示方法之一，有机化学教科书中的书写方法不够清楚。

• from the molecular formula alone, we can deduce the 「degrees of unsaturation」 in the molecule .

  仅从分子式，我们就能推断分子中的「不饱和度」。

• the oxidized cyclodextrin was prepared and its molecular formula was conformed by ft-ir, 13cnmr, elementary analysis, which is c42h85o41.

  制备氧化环糊精并对其进行结构分析，确定其分子式为c42h85o41。

• the invention discloses coal water slurry additive of polyacrylic acid series. the general molecular formula is shown in the right formula.

  本发明公开了聚丙烯酸系列水煤浆添加剂，其结构通式如右式。

• the purified compound showed a molecular formula of c28h44o3, displaying characteristic features of epidioxy sterols and was reverted to ergosterol when submitted to s. schenckii enzymatic extract.

  纯化化合物展示了分子式c28h44o3，显示过氧甾醇的特征和复归麦角提交给美国时，申克酶提取。

• the result shows that the measurement results agree well with standard values by choosing simulative average molecular formula on balance.

  结果表明，采用模拟的平均分子式作为平衡项处理，测定结果与给出的标準值吻合。

• its molecular formula for ozone, oxygen is the same allotrope , with its own unique character, in natural conditions, the ozone is slightly special light blue fresh smell of gas.

  其分子式为o3，是氧气的同素异形体，具有它自身的独特性质，在自然条件下，臭氧是略带有特殊新鲜气味的淡蓝色气体。

• at last confirming the pigment was delphinidin-3-o-glucoside, the molecular formula is c21h21o12.

  最后确定样品可能是飞燕草色素-3-葡糖苷，分子式为c21h21o12。

• to provide the molecular formula and molecular weight, as the substance has a unique and defined molecular structure according to item iii of your notification form.

  根据申报表项填写情况，申报物质有唯一确定的分子结构，所以应準确填写申报物质的分子式和分子量。

• the invention provides a perfluorinated ion exchange resin and a preparation method and application thereof. the molecular formula of the perfluorinated ion exchange resin is shown as the formula m.

  本发明提供了一种全氟离子交换树脂，该全氟离子交换树脂的分子式如式m所示。

• on the basis of production practice, the reaction mechanism of highly efficient aliphatic water reducer was analyzed in-depth, its molecular formula was put forward.

  在生产实践的基础上对脂肪族高效减水剂的合成反应机理进行了深入的分析，提出了脂肪族减水剂的分子示意式。

• their general molecular formula were characterized with elemental analysis, ir, uv, xrd, tem, tg-dta and tpr techniques.

  通过元素分析、ir、uv、xrd、tem、tgdta、tpr等测试手段对其组成、结构、颗粒大小、热稳定性以及表面性能进行了表征。

• according to the principle of isomeric chemistry, when organic substances have the same molecular formula and the same functional groups, their chemical and physical properties are very similar.

  根据同分异构的化学原理，有机物有相同的分子式和相同的官能团时，它们的化学性质和物理性质很相似。