查询词典 alkali grass

Good resistance to acid, alkali, perborate and hydrogen peroxide

特别与双氧水漂白同浴。

Result shows that C/A is a sensitive factor for ASR expansion and more than one fixed C/A may be more suitable for identifying the alkali silica reactivity of aggregate in order to avoid the influence of the'pessimum effect'.

结果表明：胶砂比对检测集料ASR活性是一敏感因素，为避免"最不利现象"对检测结果的影响，采用多个胶砂比比采用一个固定的胶砂比更适宜。

In the second part (chapter 5) results of the K-promoted oxidation of GaAs (110) surface by photoemission are reported, the status and reaction of oxygen, the influence of alkali-metal coverage and oxygen exposure on adsorption kinetics are discussed.

第二部分是利用光电子能谱研究了K／GaAs（110）表面的催化氧化过程。目的是研究不同碱金属覆盖度对氧气在表面的吸附动力学的影响，不同氧气暴露量下氧的状态及氧化过程中涉及到的反应。

Unsaturated alkynyl alcohols, such as dehydronerolidol, dehydrogeranyllinalool, and dehydroisophytol, were prepared by ethynylation of turpentine derivatives, namely terpenylacetones, e. g. geranylacetone, farnesylacetone, and phyton under normal pressure in presence of alkali metal hydroxide and organic solvents.

松节油衍生物格萜烯基丙酮，如香叶基丙酮、金合欢基丙酮和植物酮在常压条件，碱金属氢氧化物和有机溶剂存在下可发生乙炔化反应，形成对应的α，β-不饱和炔醇化合物脱氢橙花叔醇、脱氢香叶基芳樟醇和脱氢异植物醇。

Granite consists of 20 or more percent quartz, more alkali feldspar than plagioclase.

花岗岩含20%以上的石英，碱性长石多于斜长石。

The effect of additives combined polyalcohol anion surface active agent with alkali activator or high efficiency sulfonate water-reducing agent on physic-chemical performance of slag powder and slag-cement system pastes have been studied.

选择多元醇类阴离子表面活性剂分别与碱性激发剂和高效磺酸盐减水剂进行复合，研究了复合添加剂对矿渣粉体和矿渣-水泥浆体的物理化学性质的影响。

Historically, the alkali used was potassium hydroxide made from the ashes of bracken or from wood ashes .

历史上，是用碱氢氧化钾从灰烬中蕨菜或从木材灰烬。

Because admixture can primely restrain alkali aggregate reaction, flyash should be added to concrete.

掺合料对抑制碱骨料反应具有很好的作用，所以在混凝土中掺加粉煤灰。

Through the process of coalescing, separating unmixed mass transfer alkali refining, sweetening ptyalin, cyanogens and cobalt in fixed lathes, retreating discolorization high quality No.

陕北混合原油经过聚结分离、无混合传质碱精制、磺化酞氰钴固定床脱硫醇、脱色预处理等组合工艺，可研制生产出符合规格的优质3号喷气燃料。

In the meantime, still tested the puissant loss level after sex of fabric classics alkali is handled.

同时，还测试了织物经强碱性处理后强力的损失程度。

The use of the web to spread fears that flicking the switch on the LHC could create a Black Hole that could swallow up the Earth particularly concerned him, he said.

他说，使用互联网散布恐慌说启动LHC会生成一个可能吞噬地球的黑洞的做法让他感到忧虑。

Not a single word have I written down.

我一个字也没有写下来。