酸碱的

The aconite alkaloid in the waste fluid, resulted from steeping Chinese medicine aconite, was used to prevent pests. Tested with the method of Acid and Alkali Titration, the total alkaloid content of aconitic steep was 68.32mg/L.

利用中药材附子孢制过程产生的大量废液中的乌头类生物碱进行害虫防治研究，用酸碱滴定法测定附子浸渍液总生物碱含量为68.32mg/L。

However, this algicidal substance was unstable at different acid and alkali concentration, it could improve algicidal activity at neutral, alkaline, but reduce algicidal activity at high acid concentration;(4) according to the studies on the mophorlogical characters, the physilogical, biochemical characters and the sequence analysis of 16S rDNA of strain W5, it was identified as a Enterobacter aerogenes.

但酸碱稳定性不如热稳定性强，在强酸条件下，溶藻活性有所降低，中碱性条件下可以增强其溶藻活性；此溶藻物质活性成分是水溶性的，不溶于常见的有机溶剂(4)通过形态学特征、生理生化试验以及16S rDNA序列分析，W5菌鉴定为产气肠杆菌。

The proper hydrolysis reaction temperature of benzal chloride was 1000C and the initial quality rate of water phase and organic phase was 2∶1,reaction time was 3 hours.

苄叉二氯的水解方法已经有很多报道[1，2]，主要的方法有酸性水解法、碱性水解法、酸碱联合水解法和催化水解法。

The structure and physicochemical performance of nanocapsules,such as particle size,rate of capsulation,Zeta potential, heat-sensitivity and pH-sensitivity are also reviewed.

从纳米胶囊的粒径控制、包裹率、Zeta电位、热敏性和酸碱敏感性等方面分析了制备方法对纳米胶囊结构性能的影响。

The components of the hydrochloric acid and the fire_retardant - an organic diacid in the waste water produced by production of the fire_retardant were analysed rapidly by acid base potentiometer.

采用酸碱电位滴定法快速简便地测定了阻燃剂生产中产生的含有盐酸和阻燃剂———一种有机二元酸的含量。

Objective This essay mainly focuses on salving the acute jaw and face sinus infection with DIC patient , block ing the DIC vicious circle , improv ing the anoxic condition , correct ing the electrolytical turbulence and balanc ing the acid and alkali .

目的探讨对急性颌面部间隙感染合并DIC重症患者的抢救，阻断DIC的恶性循环，改善缺氧状况，纠正电解质紊乱及酸碱平衡失调。

In this experiment we use the alcohol to replace the Fumaric acid and using the NaOH and HCl to control the pH number.

而本实验就是以过锰酸钾加入酒精以代替过去使用的反丁烯二酸并以HCl及NaOH来调控其酸碱值并比较其反应后的各种性质。

Gravimetric Method for the Determination of salinity, acid-base titration indicator for the determination of the acidity.

重量法用于矿化度的测定，酸碱指示剂滴定法用于酸度的测定。

Those amino acids with an ionizable side-chain have an additional acid-base group with a distinctive pK.

原来译文：那些带有可解离侧链的氨基酸另有一个具有不同pK的酸碱基团。

It shows that the new Mecroburet is superior in precision, accuracy and operational performance. The new microburet has many distingushing features, such as no leakage, no bubbles, automatic filling, automatic zero set.

表明新型微量滴定管具有较好的精密度、准确度和操作性能，克服了经典滴定管活塞易渗漏、易生产气泡、装液难、近终点液滴不易控制及酸碱不通用的缺点。

Fancy gold-plated dangling earrings with facetted White Opal crystals.

花式镀金悬垂耳环与facetted白欧泊水晶。

This essay chooses the study aim from biology teachers in middle school in Shi Jiazhuang which tells us that most of the middle school biology teachers in Shi Jiazhuang have the"burnout", lower successfulness, individualize.

本文选取石家庄市初中生物教师作为研究对象，运用问卷调查的方法对石家庄市初中生物教师职业倦怠的现状进行调查，调查结果发现，石家庄市初中生物教师这一群体普遍存在职业倦怠，情感枯竭程度偏高，成就感偏低，去个性化程度最为严重。