Magnesium hydroxide particles were synthesized via decomposition of hydrosulfide compound followed with hydrothermal treatment.是什么意思？

Magnesium hydroxide particles were synthesized via decomposition of hydrosulfide compound followed with hydrothermal treatment.

以工业氯化镁和硫氢化钡为原料,采用复分解法合成高纯氢氧化镁.

magnesium

n. [化]镁（金属元素）；

例句
A lack of magnesium causes muscles to go into spasm.
缺镁会导致肌肉痉挛。

hydroxide

n. 氢氧化物，羟化物；

例句
Bremen blue ( unmixed cupric hydroxide )
布勒门蓝 ( 未混合的氢氧化铜 )

particles

n. 微粒( particle的名词复数 )，颗粒，极少量，小品词；

例句
Small particles adhere to the seed...
小颗粒牢牢附着在种子上。

were

be的过去时复数和第二人称单数形式，有时代替 was,用于条件从句、动词 wish 之后等；

例句
Shops, houses, and vehicles were set ablaze.
店铺、房子和车辆全都陷于火海。

synthesized

--

例句
Butyraldehyde 1,2 proparediol acetal was synthesized by using stannous chloride as catalyst.
以非质子酸氯化亚锡为催化剂,催化合成了丁醛-1,2-丙二醇缩醛.

via

prep. 经过，通过，凭借，取道；

例句
Access was via a narrow archway.
通道入口是一道狭窄的拱门。

decomposition

n. 分解，腐烂；

例句
...the decomposition of solids.
固体的分解

of

prep. 关于，属于…的，由…制成；aux. 助动词 [非标准用语、方言] =have [主用于虚拟语气]；

例句
He did have a real knowledge of the country...
他对该国的确知之甚多。

hydrosulfide

n. 氢硫化物；

例句
Magnesium hydroxide particles were synthesized via decomposition of hydrosulfide compound followed with hydrothermal treatment.
以工业氯化镁和硫氢化钡为原料,采用复分解法合成高纯氢氧化镁.

compound

n. 场地，复合物，（筑有围墙的）院子，复合词；

例句
This sticky compound adheres well on this surface.
这种黏性的化合物能牢牢地粘在这个表面上。

followed

v. 跟随，接着（ follow的过去式和过去分词 ），继承，（按时间、顺序等）接着，从事；

例句
There followed an acrimonious debate.
接着是一场唇枪舌剑的争辩。

with

prep. 和，跟，随着，关于，和…一致；

例句
A waiter entered with a tray...
侍者端着托盘进来了。

hydrothermal

adj. 热水的，热液的，水热；

例句
The sulphur has been consider to come from anatexis magma hydrothermal in the deep source.
认为硫主要来源于深源重熔岩浆热液.

treatment

n. 治疗，疗法，处理，待遇，对待；

例句
He was admitted yesterday for treatment of blood clots in his lungs.
他昨天入院治疗肺部的血块。