By colorimetry, the adsorptive capacity and service life of D - 101 macroreticular resin for ginsenoside were studied.是什么意思？

By colorimetry, the adsorptive capacity and service life of D - 101 macroreticular resin for ginsenoside were studied.

用比色法研究了D-101大孔树脂在不同条件下的吸附容量及使用寿命.

by

prep. 在…旁边，表示方式，由于，经过；adv. 经过，表示保留或保存时用，短暂拜访；

例句
...expensive make-up that we saw being advertised by a beautiful model...
我们所见的由一位漂亮模特代言的昂贵化妆品

colorimetry

n. 比色法，色几何学；

例句
The basic concepts of colorimetry were expressed by Grassman in 1853.
测色学的基本概念早于1853年由格腊斯曼加以阐述.

the

art. 指已提到的人（物），指说话人与听者已知的人（物），用于独一无二的事物前，与形容词最高级和序数词连用；

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

adsorptive

adj. 吸附的，被吸附物；

例句
OBJECTIVE : To enrich and purify Achyranthes Bidentata Saponins with macroporous adsorptive resins.
目的应用大孔吸附树脂富集纯化牛膝总皂苷.

capacity

n. 容量，才能，性能，生产能力；adj. 充其量的，最大限度的；

例句
He had no natural authority and no capacity for imposing his will on others.
他天生缺乏威信，根本没有能力把他的意志强加于人。

and

conj. 和，与，而且，于是，然后，因此；

例句
I spend a lot on expensive jewelry and clothing...
我花很多钱购买昂贵的首饰和衣服。

service

n. 服务，服侍，服务业，维修服务，服役；vt. 检修，维修，向…提供服务，保养，满足需要；adj. 服务性的，耐用的，服现役的；

例句
The major service industries should be accountable to their customers.
主要的服务行业应该对它们的顾客负责。

life

n. 生活，生计，生命，性命，一生，寿命，人生，尘世；

例句
In his later life he became even more absent-minded.
他晚年变得愈加健忘了。

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。

resin

n. 树脂，合成树脂，松香；vt. 用树脂处理，涂擦树脂于；

例句
The resin from which the oil is extracted comes from a small, tough tree.
用于提取这种油的树脂取自于一种矮小坚韧的树。

for

prep. 为，为了，倾向于，关于，当作；conj. 因为，由于；

例句
I've come looking for a bit of advice.
我特来讨教。

ginsenoside

人参皂苷；

例句
By colorimetry, the adsorptive capacity and service life of D - 101 macroreticular resin for ginsenoside were studied.
用比色法研究了D-101大孔树脂在不同条件下的吸附容量及使用寿命.

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。

studied

adj. 有计划的，故意的，深思熟虑的，精通的；v. 学习，研究( study的过去式和过去分词 )，想出，详细地检查，背诵（台词等）；

例句
At college he studied English and did amateur boxing.
大学时，他学习英语，同时还参加业余拳击。