可滴定的

Take for the amount of test materials, precision that set, place beaker, unless otherwise specified, may be added 40ml of water and hydrochloric acid solution (1-2) 15ml, and then set on a magnetic stirrer, stirring allows the dissolved, together with potassium bromide 2g insert platinum - platinum electrode, it will insert the solution of the following buret tip is about 2 / 3, using sodium nitrite titration solution (0.1mol / L, or 0.05mol / L) rapid titration, side drops while stirring, to near point, Burette tip surface will be presented with a small amount of water leaching cutting-edge, lotion, and solution and continue titration slowly until the sudden deflection of galvanometer pointer, namely, titration end point.

取供试品适量，精密称定，放置烧杯中，除另有规定外，可加水40ml与盐酸溶液（1-2）15ml，而后置电磁搅拌器上，搅拌使溶解，再加溴化钾2g，插入铂-铂电极后，将滴定管的尖端插入溶液下面约2/3处，用亚硝酸钠滴定液（0.1mol/L或0.05mol/L）迅速滴定，边滴边搅拌，至近点时，将滴定管的尖端提出液面，用少量水淋洗尖端，洗液并溶液中，继续缓缓滴定，至电流计指针突然偏转，即为滴定终点。

The either titrate in titration process is nodded, the affiliation of the chroma of the Ag+ in solution and titration agent bulk can determine by the potential of two electrode the value is obtained at the same time, thereby applicable is multivariate and corrective the content that the law gets ion of the avery kind of in mixing haloid ion by corresponding titration curve.

在滴定过程中的任一滴定点，溶液中Ag+的浓度和滴定剂的加入体积可由两个电极的电位测定值同时获得，从而可应用多元校正法由相应的滴定曲线求得混合卤素离子中每一种离子的含量。

Whangkeumbae and Huangguan Pear were used in the determination of SA immersion, 1mmol/L significantly delayed the degration of starch, titrable acid, vitamin C and cellulose and maitained higher contents of protein and free amino acid under both room and low temperature, and lmmol/L maintained higher content of soluble sugar during storage anaphase under room temperature.

在常温和冷藏条件下，1mmol/L水杨酸处理果实，能够显著抑制黄金梨和黄冠梨果实中淀粉、可滴定酸、维生素C的降解，保持其较高的可溶性蛋白和氨基酸的含量，并保持了常温贮藏后期较高的可溶性糖含量。

The results showed that 22.5μL/L of clove leaf oil had the best preservation effect on peach. After 35 days of stock, the sound fruit rate was 94%, 46.9% higher than compared group. The rotten index and the browning index were 94.1% and 85.2% lower than the control, respectivly, and the treatment could remarkablely reduce the respiration rate and ethylene release, and postponed ethylene release peak and respiration peak 5 and 10d, respectively in comparison with CK, it also delayed the drop of firmness and contents of titrable acids of the peach. When stored for 35d, firmness of control group and 22.5μL/L of clove leaf oil were decreased 60% and 34% compared with initial storage, and the activities of SOD, CAT and POD were enhanced, but the contents of SSC had no obvious difference with control.

结果表明，与对照相比，22.5μL/L丁香叶油处理对桃果实的防腐保鲜效果最好，贮藏35d时好果率为94%，比对照提高了46.9%，腐烂指数和褐变指数分别比对照低94.1%和85.2%；丁香叶油处理可以有效降低桃果实的呼吸强度和乙烯释放量，呼吸强度高峰和乙烯释放量高峰分别推迟5和10d，延缓了果实硬度和可滴定酸含量下降的速度；贮藏35d时对照和22.5μL/L丁香叶油处理果实硬度分别比贮藏初期降低了60%和34%；丁香叶油处理提高了超氧化物歧化酶、过氧化氢酶、过氧化物酶3种膜脂过氧化物酶的活性，但可溶性固形物含量与对照相比无明显差异。

Result Compared with the traditional shaping mode of fan type, the types of L and FI could significantly increase the leaf area and the average berry weight and the L type could significantly increase the chlorophyll content, stomatal conductance and Rubisco activity of leaves and increase the photosynthesis rate of leaves at last in the rapid growth period of berry; all the shaping types of L, FI and V could increase the average berry weight and the soluble solid content in fruit to different degree and decrease the of titrable acidity content in fruit.

结果］与传统的扇形整型方式相比，L型和FI型整型方式明显提高葡萄的叶面积和平均单果重；在果实迅速膨大期，L型还显著提高叶片的叶绿素含量、气孔导度和Rubisco活性，使叶片的光合速率显著提高；L型、FI型和V型整型方式均不同程度提高葡萄平均单果重和可溶性固形物含量，降低果实可滴定酸含量。

Analysis of nutritional components in pear fruits of different varieties showed that fructose, glucose and sucrose were predominant sugar in pear fruits, the content of which ranged from 3.40% to 9.24%, 0.21% to 2.72%, 0.10% to 1.69%, respectively; Content of titrable acid was the highest in Bayuehong Pear(0.286%) and lowest in Atago(0.078%); Content of Vitamin C was the highest in Beurre Bosc (9.50 mg/100g) and lowest in Lubaoshi Pear(1.89mg/100g); Content of protein ranged from 127 to 428 mg/100g, content of free amino acid ranged from 24.8 to 77.4 mg/100g; Contents of the same mineral element of different pear varieties were different.

不同梨品种果实营养成分含量的分析结果表明：果糖、葡萄糖和蔗糖是梨果实中的主要糖类，品种间三种糖的含量有较大差异，所测品种果实中三种糖的含量范围分别为：3.40%～9.24%、0.21%～2.72%、0.10%～1.69%；可滴定酸的含量以八月红最高(0.286%)，爱宕最低(0.078%)；维生素C的含量以博斯克最高(9.50 mg/100g)，绿宝石最低(1.89mg/100g)；不同品种间可溶性蛋白和氨基酸的含量差异较大，其含量范围分别为127～428mg/100g和77.4～24.8 mg/100g；不同品种间同一矿质元素的含量存在较大差异。

The results showed that the decreasing of the hardness was inhibited, the 1st fracture drop off was maintained, and those such as the production of the ethylene , the degrading of the chlorophyll, the decreasing of the titratable acid were inhibited, as well as the changing of the enzyme activities. And 1-MCP can keep a better condition of the inner structure of the tomato.

结果表明，1-MCP的处理减缓了硬度的下降，在一定程度上可以保持果实的脆度，抑制乙烯生成，阻止叶绿素的降解，降低可滴定酸的减少，对酶活变化起到了一定的抑制作用，同时较好地保持了番茄果肉组织结构的完整性。

AMF-inoculation significantly increased the contents of total soluble solid, soluable sugar and titratable acid in fruit of cherry tomato.

结果表明：接种菌根真菌能够显著提高植株根系菌根的侵染率和果实干重；接种对品质的改善表现在果实中的可溶性固形物、可溶性糖和可滴定酸的含量明显提高，糖酸比适中，果实风味品质好。

In Fuji apple, Starking apple and Feicheng peach, 1-MCP slowed the conversion of TA content and SSC, maintained the ratio of sugar to acid and reduced the flavors loss in later storage time. 1-MCP also reduced the chilling rate and fruit weight loss of Feicheng peach stored at 0℃, but accelerated the decay of Feicheng peach and the detachment of grape berry from peduncle stored at 20℃. The effect of 1-MCP on the decay of strawberry was related to temperature: alleviated at 20℃ and enhanced at 0℃.

在富士、红星和肥城桃果实中，1-MCP处理都延缓了果实可滴定酸和可溶性固形物含量的转化，维持了果实贮藏后期糖酸比，抑制了果实贮藏后期风味的损失。1-MCP处理还减轻了O℃贮藏的肥城桃果实冷害的发生和果实失重，但促进了20℃下肥城桃果实的腐烂和巨峰葡萄的脱粒现象。1-MCP对草莓果实腐烂发生率的影响则与温度有关：20℃下减轻，0℃下加重。

The titrant is a mixture of EDTA and sodium fluoride, both mercury film electrode and fluorinion selective electrode are inserted in the titration solution. In a process of titration, both the added volume of titrant and the concentration of mercury ion at each titration point can be obtained simultaneously from the potentials of two electrodes, and then the concentration of each component in the alloy can be obtained from the titration curves by multivariate calibration.

用ED-TA与氟化钠的混合溶液作为滴定剂，被滴定液中同时插入了汞膜电极和氟离子选择电极，在滴定过程中的任一滴定点，溶液中汞离子的浓度和滴定剂的加入体积可由两个电极的电位测定值同时获得，从而可应用多元校正法由相应的滴定曲线求得混合金属中每一种组分的含量。

But we don't care about Battlegrounds.

但我们并不在乎沙场中的显露。

Ah! don't mention it, the butcher's shop is a horror.

啊！不用提了。提到肉，真是糟透了。