查询词典 phosphate

The influence factors on decomposition efficency, such as digestion time and pH were identified. It was shown that noncondition phosphate could be decomposed completely by persulphate. But in alkali condition, condensed phosphate could only be decomposed partly.

结果表明，在碱性条件下过二硫酸钾高温氧化可使海水中非聚磷类化合物完全回收，而聚磷类化合物回收率不高，延长消化时间聚磷类化合物的回收率有一定提高。

The different intercalation behavior of 5,10,15,20-tetrakis(1-methylpyridinium-4-yl)porphine into α-zirconium phosphate and γ-zirconium phosphate was investigated.

比较了水溶性卟啉meso-四(4-N-甲基吡啶基)卟啉对具有不同层间距和结构的层状磷酸锆的插层行为。

Some popular seawater phosphate δ^18 O analysis methods were reviewed. Then MAGIC-CePO4 coprecipitation-cation exchange resin separation method was choosed to preconcentrate, separate and purify the phosphate. Some basic experiment conditions were also discussed.

通过对国内外海水中磷酸盐氧同位素组成的测定方法进行查阅，选择改进后的MAGIC-CePO4沉淀－阳离子交换树脂法对海水中溶解态磷酸盐进行富集、分离与纯化，并对实验条件进行了探讨。

The preconcentration, separation and purification of phosphate was the foundation of seawater phosphate δ^18O analysis.

海水中溶解态磷酸盐的富集、分离与纯化研究是测定海水磷酸盐氧同位素组成的基础。

The results indicate that (1) After acclimation and induction, Phosphorus Accumulating Organism not only has the characteristics of denitrification, but also has the characteristics of takeup phosphate in aerobic;(2) Denitrifying phosphate accumulating bacteria using NO3- as electron acceptor indeed existed in the conventional enhanced biological phosphorus removal system;(3) The facultative anaerobe seperated during the process of acclimation are Corynebacterium, Pseudodiphtheria corynebacterium, Staphylococcus and Moraxella; all of which can be functioned as denitrifying phosphorus accumulating to various degree.

试验结果表明：(1)好氧聚磷菌经驯化诱导后不但具有反硝化产氮特性，而且具有好氧聚磷特性；(2)在传统的A2O 工艺中存在有以NO3-为电子受体的反硝化聚磷菌；(3)在驯化过程中分离到的兼性厌氧微生物有棒状杆菌属、假白喉棒杆菌、葡萄球菌属及莫拉氏菌属，且都有不同程度的反硝化聚磷功能。

The results indicate that [(L 1) 2SnEt 2] can selectively bind to the N 1 atom of the base and the phosphate oxygen atom of AMP and may further destroy the helical structure of DNA, while the dimethyltin compound of 1,3 dimethyl 4 acetyl 5 pyrazolone [(L 1) 2SnMe 2] merely binds to the the phosphate oxygen atom of AMP and causes the contraction of DNA helical structure.

结论3 二甲基 4 乙酰基 5 吡唑酮的二乙基锡配合物(L1 ) 2 SnEt2 可与AMP 的碱基N1 和磷酸根氧原子螯合并可能会破坏DNA 的双股螺旋结构；而二甲基锡配合物(L1 ) 2 SnMe2 易与单核苷酸的磷酸氧结合，难以与单核苷酸的碱基氮原子稳定结合且只引起DNA 双股螺旋的收缩

In shallow well water disinfections effective 4～5％ chlorineout of mother liquor of chloro-trisodium phosphate is used,30 minutes later chlorine reach 0.6 to 0.8 mg per liter (0.6～0.8 ppm),this water reach the national sanitary standed of drinking water mother liquor of chloro-trisodium phosphate can be best described as nonpoisonous,no remainer,quick and kill bacterium with wide-range,no corrosion and fine stability,safe,reliable new bactericide.

在浅井水消毒中，用有效氯为4.0—5.0％的氯化磷酸三钠母液投放，有效氯达到0.6—0.8mg/升(0.6ppm—O.8ppm)作用30钟后，该水可完全达到国家饮用水卫生标准。氯化磷酸三钠母液是一种无毒、无残留、速效广谱杀菌，无腐蚀性、稳定性好、安全可靠的新型杀菌剂。

Saxicola. Phosphate was absorbed fastest, followed by nitrate and carbohydrate. It was suggested that phosphate and nitrate were the main compounds, which had effects on cell suspension cultures of C. saxicola.

结果表明营养物质的吸收与细胞生长以及生物碱的合成密切相关，营养元素的相对消耗速率为磷＞氮＞碳，推测氮和磷是影响岩黄连细胞培养的主要因素。

The result shows that the purification efficiencies of ammonia-nitrogen and ortho-phosphate by immobilized algae in a stationary phase are higher than that in an exponential phase; the starvation treatment increases the removing rates of ammonia-nitrogen and ortho-phosphate, cells of Scenedesmus starved for 48 hours can obtain higher NF4(superscript +)-N and PO(superscript 3- subscript 4)-P removal efficiencies than starved for 48, 72, 24 and 0 hours respectively.

结果表明：静止初期藻细胞对NH4-N和PO(上标 3-下标 4)-P去除率比指数末期高，处理5d后，静止初期细胞对NH4-N和PO(上标 3-下标 4)-P的去除率分别为76.7%及91.7%，指数末期细胞氮、磷的去除率分别为75.4%和88.7%；饥饿处理可明显提高藻细胞对NH4-N和PO(上标 3-下标 4)-P的去除效率，藻细胞饥饿时间对NH4-N和PO(上标 3-下标 4)-P去除率的影响大小依次为48h，72h，24h，0h。

A new anticorrosive pigment based on potassium zinc phosphate and zinc phosphate tetrahydrate was synthesized and characterized by XRD,FT-IR and laser nano-granulometer.

合成了一种含磷酸锌钾和四水磷酸锌的新型活性超细磷酸锌颜料。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。