掩蔽

Conceal disturbing elements like iron,copper,lead with hydrogen fluoride amine-EDTA,add the potassium iodide to separate iodine, and take starch as indicator,titrate with sodium hyposulfite.

试样以王水分解、泡塑富集分离金，硫脲解脱，以硝酸-硫酸破坏硫脲，用氟化氢胺-EDTA掩蔽铁、铜、铅等干扰元素，加碘化钾使之析出碘，以淀粉为指示剂，用硫代硫酸钠进行滴定。

A huge rock shelter, entrance accommodate three or four people, broad at its widest point about 4 meters, 34 meters deep, Wong Nai, sand texture, there are many stone cave swallows fly.

一块巨大的岩石掩蔽下，入口容得下三四个人，最宽处约有四米，深三四十米，黄泥、沙石质地，洞里有许多石燕子飞翔。

EDTA titration is the one of classical methods which determines the contents of calcium and magnesium,but because of the complicated component in the scale ,the phenomena that indicator was blocked would produce when we titrate calcium and magnesium contents in the crystallizer scale ,using average screening agent can't solve the problem.

EDTA滴定法是测定钙、镁含量的经典方法之一，但由于积垢成分比较复杂，在测定煮糖罐积垢中的钙、镁离子时，产生指示剂封闭现象，使用常规掩蔽剂不能解决此问题。

He preferred to travel under cover of the woods.

他很乐意这样在森林的掩蔽下前进。

What covered in, and where? and what gave shelter? Was water there, unfathomed depth of water?

有什么被覆盖，在哪里是什么给予掩蔽有水无法度量的深渊吗？

This is particularly distinct to one standing on the middle of the pond in winter, just after a light snow has fallen, appearing as a clear undulating white line, unobscured by weeds and twigs, and very obvious a quarter of a mile off in many places where in summer it is hardly distinguishable close at hand.

冬天，站在湖中央，看起来这就更加清楚，特别在下了一阵小雪之后，它就成了连绵起伏的一条白线，败草和枯枝都不能够掩蔽它，许多地点，在四分之一英里以外看起来还格外清楚，但是夏天里，便是走近去看，也还是看不出来。

I clothe the heavens in mourning, and make sackcloth their vesture.

我可使黑暗笼罩诸天，使麻衣掩蔽天际。

Heating the front side causes the masking tape to come loose, resulting in uneven tension and waviness.

加热面的原因掩蔽磁带来松散，导致在不平衡的紧张局势和波纹。

Take a loop of masking tape and tape the board, copper side up, to a piece of cardboard (eg. the back of a writing pad).

采取一回路的掩蔽磁带和磁带董事会，铜的一面向上，一块硬纸板。

ZetaTalk 3/13/010:If this particular GOES satellite is in geostationary orbit such that it experiences an eclipse by Earth at 7:00 UTC,then this point in time is when Greenwich is experiencing adawn.

齐塔之声&解释&：假使这颗特定的GOES卫星是在与地球同步的轨道上，那它在UTC时间的7点钟会被地球掩蔽，而此刻格林尼治正处于平明时分。

With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务，乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐，因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。