查询词典 alkali chlorosis

PCE-C was exrtacted by water extraction and alkali extraction technology. The results showed that the yeild of PCE-C by water extraction was lower than alkali extraction, while the hypoglycaemic activity followed reverse order.

分别采用水提和碱提两种工艺提取PCE-C，由PCE-C的得率及活性测定结果可知，水提工艺提取的PCE-C的得率略低于碱提工艺，但降血糖效果强于碱提。

The good method to analyze the structural changes of reaction process of melamine modified UF resin by the traditional process alkali-acid-alkali is 13C-NMR. It can also extrapolate potential reaction.

通过13C-NMR可以很好地解析采用传统工艺合成三聚氰胺改性脲醛树脂反应过程中的结构变化，并可推测其发生的反应。

The synthesis process of silica using waterglass and sulpHuric acid as materials was studied systematicly. The results show that reacting temperature, reacting time, sulphuric acid concentration, reactive stiring rate, modulus of waterglass,adding salting agent,alkali concentration,the total volume of acid and alkali added , different methods of adding materials may have influence on the specific surface area or dibutylphthalate absorption number of silica in different degree.

本文系统地研究了以水玻璃溶液和硫酸为原料合成沉淀法白炭黑的工艺，研究发现：反应温度、反应时间、硫酸浓度、反应搅拌速度、水玻璃模数、添加盐析剂、底碱浓度、酸碱加入的总量、加料方式对白炭黑的比表面积或DBP吸收值有不同程度的影响。

Copper deficiency results in chlorosis, suggesting that copper may be involved in the synthesis of chlorophyll.

缺少铜可以导致植株萎黄，这说明铜有可能与叶绿素的合成有关。

For example, iron deficiency results in CHLOROSIS between the veins, particularly in young leaves that are still synthesizing chlorophyll.

例如铁的缺乏可以导致缺绿症，特别是在那些可以合成叶绿素的新生叶片中。

In order to find out the causation of tobacco leaf chlorosis and its effect on the raw tobacco quality in Nandan county.

［目的］为探明南丹烟叶白化的原因及对烤后烟叶质量的影响。

The study was carried out to crrect the chlorosis of fruits in lime soil.

为了矫正石灰性土壤上存在的果树缺铁失绿症，进行了该试验。

Iron deficiency is characterized by chlorosis between veins in young leaves.

铁缺乏症的特点是嫩叶的叶脉之间萎黄。

Major factors of the pear iron chlorosis were determined through soil testing and leaf analysis.

通过对酥梨缺铁黄化症的土壤分析、叶片分析来确定诱发黄化的主要因素。

Injury to foliage may be visible in a short time and appear as necrotic lesions, or it can develop slowly as a yellowing or chlorosis of the leaf.

对叶子的破坏在短时间内是可见的且呈现出坏死组织，或也表现为叶子的慢慢变黄。

A carrier gas such as nitrogen is directed through line 20 and valve 22 to connect with line 26 and mix with the gas sample.

如氮气之类的载体通过管线20和阀22引入，与管线26相通，与气体样品混合。

But for the most part, knaves and parasites had the command of his fortune

然而支配他的家产的大多是恶棍和寄生虫。