ph7

The optimal conditions for degradation of oil by W 2 strain are pH7 0 and 30 ℃ .

其中，W2菌株最适降解条件为pH70、温度30℃。

PH7 was the most suitable for the growth and sporulation of A.

适于番茄早疫病菌生长及产孢的PH值都为7。

The best cultural condition was : pH7 , 35 . The Biocontrol effect could be affected by the ultraviolet ray .

在pH为7、培养温度为35℃时生长量最大，其防效受紫外线影响。

Elastase was active and highly stable in solution from pH7 to 12 and at temperature under 40 ℃ .

在pH7-12保存，酶的活性较高并趋于稳定；温度低于40℃酶活较稳定。

The degradation rates were in the order pH4 < pH7 This shows that alkaline conditions enhance the hydrolysis of these pesticides .

水解速率依次为：pH4＜pH7＜pH10，这说明碱性条件可以加速水解；

The residual determination and degradation of triazophos in pH5 、 pH7 、 pH9 water were reported .

研究了三唑磷在水中的残留测定方法及三唑磷在pH5、pH7、pH9水中的消解动态。

Optimum pH range of the activity of the POD-immobilized fibroin membrane . being at pH7 . 0-8 . 0 , was widened in comparison with the case of free enzyme .

经分光光度法分析表明这种固定化POD丝素膜的最适pH值范围较游离酶宽，为pH7.0～8.0；

The optimum conditions of degrading fat yeast ( AS2 . 14O5 ) lipase were temperature of 40 ℃ and PH7 . 5 when the properties of this kind enzyme preparation was studied .

通过对解脂假丝酵母AS2.1405胞外脂肪酶粗酶制剂性质的研究，得到了此酶的最适反应温度为40℃，最适PH7.5。

The viscosity of β - glucan increased with the concentration increasing while decreased with the temperature increasing . Viscosity of β - glucan solution was relatively stable in the range of pH7 ~ 10 , but decreased in lower pH.

p-葡聚糖黏度随浓度增大而增大，随温度升高呈降低趋势，在pH7～10的范围内p-葡聚糖溶液黏度相对稳定，在较低pH下黏度有所下降。

The optimization extraction conditions were obtained as following : extract temperature , 50 ℃; ratio of material to liquid , 1:38 ( g / mL ); ultrasonic treatment time , 40min ; volume fraction of methanol , 60 % and pH7 .

优化后得到最优提取条件为：提取温度50℃，料液比为1：38（g/mL），超声时间40min，甲醇体积分数60%，pH值为7。

Finally , the molecular mechanism how acid solution reacts with the fragments and components of starch decomposed by irradiation and how the viscosity of irradiated corns resumed and higher than that treated with measuring solution ( pH7 ) were discussed .

本文最后对辐照谷类样品用酸性和中性检测液处置后造成的这种粘度特性特异改变作了分子反应机理探讨。

VZV attenuated live vaccine was prepared by removing cell debris from virus suspension by centrifugation ( 6000 r / min , 30min ) using protective agent contained 25 % sorbite ( pH7 . 2 ~ 7.4 ) .

采用pH7.2～7.4含25%山梨醇作保护剂、以6000r／min离心30分钟除去病毒液中的细胞碎片，制成减毒活疫苗。

The optimum conditions for the toxin production were studied . The mycelia should be cultured in improved Richard 's medium ( about pH7 ) for 15-20 days at 25-30 ℃, with darkness and shake in hand one time every 6 or 12 hours .

试验还研究了病菌最佳产毒条件：菌丝在改良Richard培养液中（pH7左右）中，25～30℃下黑暗培养15～20d，每隔6h或12h人工振荡1次。

The percentages of complexed Mn in Mn-Gly and manganese methionine chelate ( Mn-Met ) were determined in 0.1 M Tris buffer ( pH7 ) by gel filtration chromatography and cation exchanging equilibrium .

利用红外光谱法、凝胶过滤色谱法和阳离子交换平衡法，分析了甘氨酸锰的红外光谱特征、甘氨酸锰和蛋氨酸锰在pH7、0.1Mtris缓冲溶液中的络合率。

Negative charges decreased slightly in latosol with less negative charges in the range of pH7 . On the other hand , the negative charges in yellow earth and red soil with more negative charges decreased and increased obviously at low pH and high pH respectively .

带负电荷多的黄壤和红壤包铝后在低pH时负电荷明显减少，而高pH时负电荷明显增大；

The pH value of the medium has a great effect on the Brabender viscosity of 60 g / kg GBLS paste . When the medium is at pH7 , its heat stability and retrogradation are the best , while its cold stability is the lowest .

60g/kg银杏淀粉糊黏度性质受酸碱介质的影响较大，在pH值中性7左右，其淀粉糊黏度热稳定性最好，凝沉性最强，但冷稳定性最差；

The tissue that had been harvested , were fixed in 10 % formaldehyde solution buffered by PH7 . 4 PBS for 8 hours and decalcified in 20 % EDTA solutions buffered by PH7.4 PBS for 1 month , then embedded in paraffin .

收获的组织，用PBS缓冲液配制ph7.4的10%甲醛溶液固定8个小时后，于PBS缓冲液配制的PH值为7.4的20%EDTA溶液内脱钙1个月。

The optimum temperture and pH for the aerobic degradation of pyrethroids by qw 5 were 30 ℃ and pH7 ~ 8 . The strain was able to degrade Fenvalerate , Cypermethrin and Deltamethrin by approximately 53.8 % , 41.2 % and 61.7 % respectively within five days .

培养5天，菌株qw5对氰戊菊酯、氯氰菊酯、溴氰菊酯的降解率分别为53.8%、41.2%和61.7%。

Six strains of Rhizobium meliloti were isolated that grew in the environment of 1 % ~ 8 % NaCl , or 1 % ~ 8 % K_ ( 2 ) SO_ ( 4 ), or pH7 ~ 13.They have a characteristic of strong saline-alkali tolerance .

研究表明，6株苜蓿根瘤菌能在含1%~8%NaCl、K2SO4及pH7~13的环境中生长，具有较强的耐盐性和耐碱性。