查询词典 vacuo

I should like to see how your theory, even if we waive the difficulties, explains those phenomena which are so clear and understandable in the light of the corpuscular theory. Take, for example, the fact that light rays travel in vacuo or in air along straight lines.

即使我们撇开那些困难，我还想知道你的理论如何去解释那些被微粒说解释得很明白而容易理解的现象，例如光线沿直线在"真空"或空气中通过的情况。

The dioxane solution was concentrated by evaporation and the remaining oil was distilled in vacuo on a water bath.

在二氧六环的解决办法是通过蒸发浓缩和剩余油是在真空中蒸馏水上热水澡。

The hydrothermal behavior of various types of alumina was investigated by means of XRD,which were derived from calcination of gibbsite,bayerite and nordstrandite at temperatures below 1000℃ and normal pressures or in vacuo.

用XRD方法研究了α－三水铝石在常压及真空中1000℃以下的脱水产物和湃铝石／诺水铝石在常压1000℃以下的脱水产物，经170℃水热处理和自身压力条件下的晶相变化。

In cells with active secretion, enzyme reaction product was present in large quantities on the plasma membrane, vacuo le membrane, plasmodesma and in the endoplasmic reticulum, plastid lamellae,and only in small quantities in the mitochondria and small vesicles.

分泌活动旺盛的细胞中，质膜、内质网、质体的内部片层、胞间连丝以及多数大液泡的膜上面都有大量ATP 酶活性反应产物，线粒体和小泡上只有少量酶活性反应产物。

By the polycondensation of amino acid 5-fluorouracil -1, 3-dipropyl esters with bis (2-chloroethyl) phos- phoramidic dichloride in the presence of 〓 or in vacuo, ten new polymers containing 5- fluorouracil, nitrogen mustard and amino acid were synthesized.

将1，3-双-5-氟尿嘧啶与二氯膦甲酸乙酯或二氯膦乙酸乙酯在DMF中反应制备得到20个三元共聚物，体外抗肿瘤试验表明：含有甘氨酸、缬氨酸、苯丙氨酸和酪氨酸的聚合加显示了一定的选择性，并且分析讨论了生物活性与结构之间的关系。

Through a variety of resin filter, adsorption and elution conditions for the optimization, as well as decolorization, crystallization methods of research, this article eventually determine the strong acid cation resin HZ-001 which is at pH 3, 3BV / h, having the largest adsorption to the tryptophan; the fermentation broth were centrifuged to remove sediment,then treated with activated carbon to be decolored and then treated with strong acid cation resin HZ-001. After that,2mol/l amino acid were passed through the HZ-001 ion exchanging column,kept almost constants when the flow rate stayed 6 BV / h. At 60℃,it was condensed into the saturated state and then added Ethanol until its percentage reaching 30%. At 4 ℃ under 100rpm placed in the shaker 20h, the collection of L-tryptophan was dried up in vacuo.

本文通过对种树脂的筛选、吸附和洗脱条件的优化，以及对脱色、结晶方法的研究与摸索，最终确定强酸型阳离子树脂HZ-001在pH=3，3倍床体积流速，温度室温，对色氨酸有最大的吸附作用；将发酵液离心去沉淀并用活性炭脱色后通过HZ-001强酸型阳离子交换树脂柱，再用2mol/L的氨水6倍床体积流速在室温下进行洗脱，收集洗脱液，60℃浓缩为过饱和状态后加入30%无水乙醇，4℃下100rpm摇起晶20h，过滤搜集结晶并真空干燥得白色粉片状L-色氨酸晶体。

The mixture was concentrated in vacuo to give a reddish oil containing 8 g of 10 and 7 g of benzyl alcohol, according to HPLC analysis.

混合物则集中在真空中作红色油含有8克107、克苯甲醇，根据色谱分析。

After several hours the ampule contents were dissolved in DMF, precipitated into acetone and dried in vacuo.

经过几个小时的安瓿内容被解散在DMF ，沉淀成丙酮和干果在真空中。

The velocity of light in vacuo is the same in all c.s.

在所有相互作匀速直线运动的坐标系中，光在真空中的速度都是相同的。

We remember that the velocity of light in vacuo, or in other words, in ether, is 186,000 miles per second and that light is an electromagnetic wave spreading through the ether.

我们记得在真空中，或者说在以太中，光的速度是3.0×10^5公里每秒，而光就是在以太中传播的电磁波。

In the negative and interrogative forms, of course, this is identical to the non-emphatic forms.

。但是，在否定句或疑问句里，这种带有"do"的方法表达的效果却没有什么强调的意思。

Go down on one's knees;kneel down

屈膝跪下。。。下跪祈祷