A precipitate is a solid So how do we know what this yellow solid is?

沉淀物是一种固体我们怎么知道这种黄色固体是什么呢？

Urinalysis and its sediment may reveal hematuria, pyuria, proteinuria, and cellular casts.

尿液分析及其沉淀物可能显示血尿、脓尿、蛋白尿和细胞管型。

And grass pollens aren't the only clue still sandwiched in the sediment.

然而，沉淀物当中，花粉并不是唯一线索。

At least that's what's suggested by trace elements in Bahama sediments.

至少这是通过查探巴哈马群岛沉淀物之后而提。

Do you ever get sediment at the bottom of your fish tanks, John?

约翰，你鱼缸底部会积聚沉淀物？

Megalodon, fossils are found in the kind of geologic deposits that form pretty close to shore.

能在离海岸非常近地质沉淀物中，齿鲨化石。

We actually call the bottom the sediment.

我们实际上将底部称为沉淀物。

Heat and pressure rise, turning them into yellow-black liquid: oil.

热力和压力上升，把这些沉淀物化成黄黑色液体：石油。

That's because all the sediment on the ocean floor would be absorbing more heat than ever before.

因为所有在海底沉淀物都将吸收比以往任何时候都更多热量。

Locals fear it will rob the river of nutrients and the sediment that provides nutrients for fish.

当地人担心该坝建造会导致河流失去营养和沉淀物，导致鱼类没有营养来源。

You might have some sediment at the bottom of a bottle of juice or something like that.

你可能会在果汁瓶底或其他类似容器底部一些沉淀物。

24.the coamings to be provided in front of fuel oil purifier for preventing sludge flowing to the reservior around.

燃油分油机前应安装围板防止沉淀物流到附近水箱。

Once the plants died, they became " cooked" under thick sediment, which created fossils in the shape of the seaweed.

一旦死亡，它们就会在厚厚沉淀物下" 煮熟" ，形成海藻状化石。

A single-file line of traveling trilobites, all facing the same direction, were caught in a sediment avalanche 480 million years ago.

科学家在4.8亿年前生沉淀物雪崩中，了一排面朝同一方向迁徙三叶虫。

And in ancient Greece, Hippocrates designed a bag that trapped bad-tasting sediments from water.

在古希腊，希波克拉底设计了一种袋子，用于捕捉水中令人不快沉淀物。

And then we end up with a precipitate, which is going to be a solid.

然后我们最终得到一个沉淀物, 这将是一个固体。

The precipitate moles to the analyte moles.

沉淀物摩尔到分析物摩尔。

This week we discussed what defines precipitation reactions and how you can determine what precipitants they form.

本周我们讨论了沉淀反应定义以及如何确定它们形成沉淀物。

It reacts with the calcium and magnesium ions of hard water to form insoluble precipitate called scum.

它与硬水中钙镁离子反应，形成不溶性沉淀物——浮渣。

He checks the fuel and the oil to see that they are free from water or sediment.

他检查燃油和机油，确保它们不含水分或沉淀物。