insoluble

And when the problem seems most insoluble.

当问题好像几乎无解.

This is not a trivial problem. It is not insoluble problem.

这不是鸡毛蒜皮的问题,要解决它也不是不可能.

It's soluble in acid and slightly soluble in water but insoluble in ethanol or ether.

易溶于酸,微溶于水,不溶于乙醇和乙醚.

Polyacrylonitrile is insoluble in acrylonitrile.

聚丙烯腈不溶于丙烯腈.

On entering a shop, he would ask for a new perfume called'Scented Shadow'or for'insoluble bath cubes '.

他一走进商店, 便要买一种名叫 “ 香味影子 ” 的新香水,或者要买非溶性浴皂.

Soluble fiber supplements may benefit those constipation, whereas bran and other insoluble fiber may aggravate symptoms.

补充可溶性纤维能改善便秘症状, 而麸皮和其它不可溶性纤维则可能使其加重.

Titania and titanate photocatalysts, which are nontoxic, insoluble, have a good prospect in dye wastewater treatment.

氧化钛、钛酸(钠)无毒 、 水中稳定性好、光催化活性高, 在印染废水处理中具有较好的应用前景.

Starch is insoluble in cold water, and soluble to but a small extent in boiling water.

淀粉在冷水中不会溶解, 在沸水中也只能少量溶解.

These chemicals are practically insoluble in water.

这些化学物质几乎不溶于水.

I pushed the problem aside; at present it was insoluble.

我把问题抛在一边，目前它还无法解决。

Carotenes are insoluble in water and soluble in oils and fats.

胡萝卜素不溶于水，但可溶于油类和脂肪。

Not continuous cleaning business card printing head to clean up the insoluble waste.

不需要通过连续清洗制卡头来清除不能溶解的废物.

Most metallic hydroxides are insoluble in water.

大多数金属氢氧化物是不溶于水.

Sand is insoluble in water.

沙在水中是不溶解的.

Layer of insoluble powder is needed to absorb wound exudate.

不溶性药粉层用于吸收疮面渗出液.

Titanium anode coated with metal oxide is a new insoluble anode, which is also named DSA.

钛基金属氧化物涂层电极又称DSA,是一种新型不溶性阳极电极.

Solubility: Insoluble in water, but soluble ordinary organic solvents.

溶解性: 不溶于水, 溶于通常有机溶剂.

The added elements form oxides which are insoluble in iron , and are removed into slag.

这些元素生成不溶于钢水的氧化物, 因此进入炉渣.

Nanomaterials , on the other hand, are often either insoluble or unable to function efficiently in solution.

从另外一方面来讲, 纳米材料经常不是难于有效发挥作用就是根本无法有效发挥作用.

Many substance which are insoluble in water wil dissolve in another solvent.

许多物质是不溶于水便会溶解在另一溶剂.

The problem is more difficult, but not insoluble.

问题当然更为困难, 但并非无法解决.

Philosophy: unintelligible answers to insoluble problems.

哲学: 是对难以解释的问题作出的难以理解的答案.

It was an insoluble dilemma and one which I could do nothing about.

那是个无法解决的两难局面，我无计可施。

DESCRIPTION: Dark brown powder, insoluble in water and soluble in mineral acids.

形状颜色特征: 黑褐色粉末, 不溶于水,易溶于无机酸.

Preferably the resin is insoluble in alkaline water.

最好的树脂不溶于碱性水.

Starch granules are relatively dense and insoluble and hydrate only slightly in coldwater.

淀粉颗粒相当致密、不溶,在冷水中仅微量水合.

The substance was extracted by hot distilled water to obtain a water-soluble substance ( WSS) and a water-insoluble substance ( WIS).

白色云状物经热水浸提、离心后，得到水溶性物质（WSS）和水不溶性物质（WIS）。

The synthesis of Insoluble Xanthate Starch ( ISX) was modified and the effect factors and technical conditions for application of the synthesized ISX in treatment some wastewater containing Cu ( II) or Fe ( II) ions were also investigated.

改进了不溶性淀粉黄原酸酯（ISX）的合成工艺，并研究了合成的ISX在若干废水中去除Cu（II）、Fe（II）离子的影响因素和工艺条件。

Water soluble and water insoluble pentosan fractions were prepared from wheat bran and wheat flour separately. Different pentosan fractions were added into wheat flour in ratio of 0.5% for the influence comparison on dough properties and bread-making quality.

从小麦麸皮和面粉中分别制备水溶和水不溶戊聚糖，将其以0.5%的比例添加到面粉中，以研究其对面团特性及面包烘焙品质的影响。

DESCRIPTION: Dankish white powder, clean, insoluble in water, soluble in mineral acids.

形状颜色特征: 湿的白色粉末, 产品洁净,可溶于酸, 不溶于水.