查询词典 alkali

In addition, the existence of metallic atoms makes the phenol oxygen atoms more reactive which may be one of the reasons that alkali metal salts are more sensitive than TNPG.

同时， 金属离子的引入增大了酚羟基上的氧原子的活性，这也可能是导致碱金属盐比TNPG敏感的原因之一。

In addition, comparing to the alkali metal catalyst, the Ce overlayer is difficult to be removed even heating to 700K.

此外，和碱金属/半导体的情况有所不同，700K的退火也不能有效地除去半导体界面的稀土金属覆盖层。

PTFE is insert to nearly all industrial chemicals and solvents except for alkali metal.

PTFE几乎对除碱金属外多有的化学药品和溶剂都是稳定的。

The curcumin liposomes can improve the unstability of the curcumin when it is in the environment of sun light, metal liquid and alkali.

姜黄素脂质体能够降低姜黄素的光不稳定性，提高姜黄素的耐碱和金属离子的能力。

The determination of alkali metal and alkaline earth metal ions by non suppressed ion chromatography was described.

引言碱金属和碱土金属离子的分析在环境、地质、石油化工、农业等许多领域有着重要的意义。

The key problem is how to overcome alkali in the soil .

关键在于控制土壤里的碱分。

This kind of soil contains much alkali.

这种土壤含碱丰富。

Brief history and up dated advance of improvement and utilization of saline alkali soil in the world are introduced in the thesis.

该文简要回顾了盐碱地改良利用研究的历史，介绍了当前国际上开展此项研究的最新进展情况。

Distribution conditions and types of saline alkali soil in China were introduced.

介绍了我国盐碱土的分布状况及类型，对盐碱草场采取不同措施(封育以及封育同时施加一定的人工措施)进行的改良性试验结果进行分析。

Study was carried out on effects of applying sulfur on alkali soil pH in Tobacco Plating field.

土壤酸碱度是影响土壤养分、形态和有效性的主要因素之一；pH值过高或过低影响矿质元素的吸收，从而影响烟株体内代谢过程，推迟烟株的生长发育[1-6]。

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