We found that a stable cobalt phosphate layer, (H3O)Co22(HPO4)(H2PO4), can be used as a basic structure unit for the construction of 3-D structures via either the self condensation or insertion of extra metal polyhedral units. Moreover, extra cobalt ions can be attached to the LCPO through sharing three oxygen corner and leave the forth corner as the active coordination sites for bifunction organic amine ligands such as DACH or APPIP, which interlink with LCPO to form a 3-D microporous structure.
层状钴磷酸盐：我们发现一个稳定之层状钴磷酸盐，以此作为基础结构，可以自行缩合或插入钒的三角双锥体形成三维的骨架结构；另外，也可以再连接额外的钴四面体单元在此层状钴磷酸盐上作为活化位置，在此位置上，有机双胺DACH 和APPIP可以配位连接之方式与层状钴磷酸盐交互连接成为三维的微孔材料，在排除部份孔洞水时，其可以吸附线性有机溶剂的分子。
Through primary analysis on the characteristics of ammonifiers growth and function, ammonification is a possibly important origin of ammonia in Suzhou Creek water body. The studies tested that adding K2HPO4 can reduce ammonifiers function. It maybe has important reference value for ecosystem resume in Suzhou Creek.
通过对苏州河氨化菌的生长特性和功能活性的初步分析，氨化作用可能是氨氮的重要来源之一，研究还表明，添加磷酸氢二钾可以降低苏州河氨化菌的转氨活性，原理尚不清楚，对苏州河的生态恢复可能具有重要的参考价值。
PartⅡImmunoresonance Scattering Spectral Analysis of Fibrinogen In pH 6.2 Na2HPO4-NaH2PO4 buffer solution, fibrinogen would combine with its antibody and produce immunocomplex particles that resulted in resonance scattering effect at 340 nm and 470 nm.
第二部分：免疫共振散射光谱分析法测定纤维蛋白原在pH 6.2的Na2HPO4-NaH2PO4缓冲溶液中，纤维蛋白原与羊抗人纤维蛋白原产生特异性结合，生成免疫复合物，体系在340nm与470nm处有较强的共振散射效应。
Methods The cyclic voltammetry was carried out at a paraffined graphite electrode.
在Na2HPO4NaH2PO4溶液体系中，MC及MCctDNA反应物在电极上出现良好的还原-氧化峰。
The results show that, respectively with potato starch and peptone as the carbon source and the nitrogen source, and with the addition of MnCl4, EDTA-Fe-Na, K2HPO4, ZnCl2, CuSO4 and growth factor alanine, epothilone can be produced via the fermentation of Sorangium cellulosum DSM11999 in the late exponential phase at 25℃, with a yield increased by 22.5%.
文中研究了纤维堆囊菌DSM11999发酵合成埃博霉素的条件。结果表明：采用对数生长期后期的菌种在25℃进行发酵，将马铃薯淀粉和胰蛋白胨分别作为碳源和氮源，添加少量的无机盐MnC l4，EDTA-Fe-Na，K2HPO4，ZnC l2，CuSO4和生长促进因子丙氨酸，可使埃博霉素的产量提高22.5%。
In the NaH2PO4-Na2HPO4 solution, in which the pH indicator is 6.17, can form ionic compound with the bromine cresol green and cationic surfactants: cetyltrim ethylammonium bromide ammonium or cetylpyridinium bromide, the blue colors of solutions fade obviously. The cationic surfactants can be used for determining in the water body.
在pH值为6.17左右的NaH2PO4-Na2HPO4溶液中，溴甲酚绿与阳离子表面活性剂：十六烷基三甲基溴化铵、溴化十六烷基吡啶形成离子缔合物，溶液蓝色减褪。
Nano hydroxyapatite powders were prepared by low-temperature combustion/hydrothermal treatment of a mixture of Ca（NO3）2· 4H2O, （NH4）2HPO4 and citric acid, with concentrated nitric acid as solvent and NH4NO3 as combustion improver.
以Ca（NO3）2·4H2O、（NH4）2HPO4和柠檬酸为原料，浓硝酸为溶剂，NH4NO3为助燃剂，采用低温燃烧／水热法快速合成羟基磷灰石纳米粉体。
Color reaction was performed in organic solution-salt solution biphasic system. The organic solution was 1, 2-Dichloroethane-Isoamyl alcohol mixture (V/V=96:4) added Bromophenol blue (per 100 mL added 0.05 g). The salt solution was 55%K2HPO4 aqueous solution added Na3CO3 (per 100 mL added 14 g), under the temperature of color reaction between 12℃ to 25℃.
显色反应在有机溶液－盐溶液两相体系中进行，有机溶液为每100 mL 1，2-二氯乙烷－异戊醇混合溶液（体积比96：4）加入0.05 g溴酚蓝，12~25℃显色反应条件下，盐溶液为每100 mL 55%K2 HPO4水溶液加入14 g Na2CO3。
The volume swelling of treated timber was lowest when the timber was treated with 10% solution of preservative with the ratio（NH42HPO4: SBB= 1:3, and the fire resistance was best at this condition.
质量比1：3的（NH42HPO4与SBB混合液以10%浓度处理的试材的体积湿胀率为最小，且1：3处理的试材阻燃性能最佳。
The swelling property, strength and fire resistance of masson pine treated by SBB preservative were tested, the result show that: the air-dry maximum swelling of treated timber was higher comparing with that of untreated timber, the effect of ratio between （NH42HPO4 and SBB on the air-dry maximum swelling was not obvious.
木材保护药剂SBB处理马尾松材后对木材湿胀性、力学性能及阻燃性能影响的研究结果表明：处理材的气干湿胀率与未处理材相比有所增大，（NH42HPO4与SBB质量配比对试材湿胀率的影响不明显。
The result showed that tomato juice was the best base medium for Streptococcus cremoris. The effect of adding 12 kinds of different nutrient factors in tomato juice medium. The result showed that soya peptone, yeast extract, glucose, corn liquor and K_2HPO_4 could promote the growth of Streptococcus cremoris. K_2HPO_4 could not only promote cell growth, but also protect lactobacillus from being damaged by low pH of medium. The optimum enrichment medium obtained by orthogonality test L_9(3~4) consist of adding 1% soya peptone, 0.5% yeast extract, 0.7% corn liquor and 0.2% K_2HPO_4 in tomato juice medium. In the optimum enrichment medium, the living-cell number of Streptococcus cremoris were 1.42×10~(10)cfu/mL cultivated for 14h at 30℃, which were increased by 95 times compared with tomato juice base medium and the same with the living number in the MRS used in lab.
选择原料易得、易于分离细胞的胡萝卜汁培养基、番茄汁培养基、麦芽汁培养基、菊芋汁培养基作为基础培养基，通过细胞生长试验，确定番茄汁基础培养不仅是乳脂链球菌LC1的最适基础培养基；研究了在番茄汁基础培养中添加12种营养因子对乳脂链球菌LC1细胞生长量的影响，结果表明，大豆蛋白胨、酵母膏、葡萄糖、玉米浆、磷酸氢二钾可显著促进乳脂链球菌LC1的细胞生长，磷酸氢二钾不仅可以促进菌体增殖，而且还可缓冲基质pH值的变化，避免了低pH值对乳酸菌的伤害；利用L9(3~4)正交试验优化筛选出乳脂链球菌LC1最佳增殖培养基，其配比为：在0.2％K_2HPO_4的番茄汁基础培养基中添加，1％大豆蛋白胨、0.5％酵母膏、0.7％玉米浆、0.5％葡萄糖。
Synthesis experiments of butyl acetate were done with ammonium ferric hydrogen phos- phate as catalyzer.
以硫酸亚铁和磷酸二氢铵为原料，以聚乙二醇-400（PEG-400）为表面活性剂，经低热固相反应合成得到磷酸氢铁铵，经XRD分析表征证实了产物的分子式为（NH4）Fe（HPO4）2。
A simulating design of 50kt/a oximation of hydroxylamine of HPO process based on the data from the introduced design data was set up.
以50kt／a己内酰胺装置的设计工艺数据包为基础，建立50kt／a己内酰胺环己酮肟化过程的仿真计算模型。
Finally indicated, the best seed raise conditions of T11-1 and O7-7 is: 100mL seed culture mudium in 200 mL triangle bottle, 16 hours in shake bed; It's best component fermentation medium is: peptone 5.0, yeast extract 3.0, beef paste 2.0, xylose 60.0, K_2HPO_42.0, MnSO_4·4H_2O 0.04, MgSO_4·7H_2O 0.20, FeSO_4·7H_2O 0.05; The best fermentation condition is: 150mL fermentation medium in 250mL bottle, vaccinates 10%, 48 hours in shake bed under 46℃; The output of L-lactic acid using T11-1 and O7-7 from corncob respectively were 31.30g/L and 30.88g/L, and the conversion rate respectively were 52.17% and 51.47%.
结果表明，T11-1和O7-7的最佳种子培养条件为：在200mL三角瓶中于盛装100mL种子培养基，摇床培养16h；其最佳发酵培养基组分为：蛋白胨5.0，酵母浸粉3.0，牛肉膏2.0，木糖60.0，MnSO_4·4H_2O 0.04，MgSO_4·7H_2O 0.2，FeSO_4·7H_2O 0.05，K_2HPO_4 2.0；最佳发酵条件为：250mL输液瓶装载150mL发酵培养基，接种10%，在46℃条件下摇床发酵48h；利用T11-1和O7-7进行玉米芯L-乳酸发酵，其L-乳酸产量分别为：31.30g/L和30.88g/L，转化率分别为52.17%和51.47%。
It may be impacted by K2HPO4 as one of factors which it influence the growth of thiobacillus ferrooxidans.
猜想是由于K2HPO4也是影响细菌生长的重要因素之一。
In this experiment, 250mL Erlenmeyer flask with 50mL reaction liquid(400mmol/L glucose, 10mmol/L CMP, 50mmol/L choline phosphate, 100mmol/L K 2HPO 4 KH 2PO 4, 10mmol/L MgSO 4, pH=8.0) and 1200g/L immobilized cells were used. After 4h incubation 400mmol/L of glucose was supplemented.
结果表明：2 5 0 m L摇瓶中加入 5 0 m L反应液(葡萄糖 40 0 mmol/ L，CMP1 0 mmol/ L，磷酸胆碱 5 0 mmol/ L，K2 HPO4 -KH2 PO4 缓冲液 1 0 0 mmol/ L，Mg SO4 1 0 mmol/ L，p H=8.0)，固定化细胞 1 2 0 0 g/ L，3 4°C、1 5 0 r/ min下，反应 4h后补加 40 0 mmol/ L葡萄糖，反应 8h可使60 %以上的 CMP转化为 CDP-胆碱。
The studies show that the optimum carbon source for this strain to producing flocculant is lactose and the nitrogen source are yeast cream and urea; the optimum pH is 6.0~8.0; the optimum inoculability capacity is about 1.0%; the salts are 0.2% K_2HPO_4 and 0.5% KH_2PO_4; the optimum culture time is 3 days.
该菌的最佳培养基及最佳培养条件为：乳糖10g，KH_2PO_42g，K_2HPO_45g，NaCL0.1g，尿素0.5g，酵母膏0.5g，水1L，pH6～8，温度为30℃，摇床培养3d，代谢产物对高岭土悬液的絮凝率超过97%。
Methods: 507 patients with various pulmonary diseases who were snbjecfed to 99Tcm-MDP bone scintigram were reviewed in this study.
观察507例肺疾患患者骨显像中38例被诊断为HPO的放射性分布特点并对其分析，显像剂为99Tcm-亚甲基二麟酸盐。
Results: Double-stripe sign was a major characteristic finding for HPO bone scintigram.
骨显像出现HPO图像可提示肺疾患的发生。
The most suitable buffer is Na2HPO4-citrate at pH 5.0 containing 10% acetonitrile.
得到最佳的缓冲溶液是含10 mL/L乙腈的pH 5.0的磷酸氢二钠-柠檬酸缓冲溶液。