磷酸

Several synthesis of phosphoric acid monoester was introduced,and their strong suit and defect were compared.

介绍了磷酸单酯的各种合成工艺路线，并比较了它们的优缺点，提出了聚磷酸法是合成高纯度磷酸单酯的最佳路线。

In muscle tissue, the rate of conversion of glycogen to glucose 6-phosphate is determined by the ratio of phosphorylase a to phosphorylase b.

在肌肉组织中，糖原转化成6-磷酸葡萄糖的速率由磷酸化酶a和磷酸化酶b的比例决定。

Experimental result showed that under the wavelength of 460 nm,there was good linear relation between absorbency and content of SO42-;and stationary time that absorbency value needed became longer along with the increase of sample quantity of phosphoric acid.When absorbency become stationary,there is good linear relation between the phosphoric acid sample quantity and the content ofSO42-.So the content of SO42- can be adjusted by turning the sample quantity to make it in scope of standard curve.

实验结果表明，在波长为460 nm处，硫酸根含量与吸光度成良好的线性关系；随着磷酸取样量的增加，吸光度达到稳定值所需的时间相应增加，稳定后磷酸取样量与硫酸根含量成良好线性关系，因此实验过程中可通过调整磷酸的取样量来调节硫酸根含量，使之在标准曲线的测定范围内。

For most viruses,there is aneed for antimicrobials that target unique viral molecular properties.Acycloviris one such drug.It is activated into ahuman herpesvirusDNA polymerase inhibitor exclusively by HHV kinases and,thus,does not suppress other viruses.Here,we show that ACV suppresses HIV-1in HHV-coinfected human tissues,but not in HHV-free tissue or cell cultures.However,addition of HHV-6-infected cells renders these cultures sensitive to anti-HIV ACV activity.We hypothesized that such HIV suppression requires ACV phosphorylation by HHV kinases.Indeed,an ACV monophosphorylated prodrug bypasses the HHV requirement for HIV suppression.Furthermore,phosphorylated ACV directly inhibits HIV-1reverse transcriptase,terminating DNA chain elongation,and can trap RT at the termination site.These data suggest that ACV anti-HIV-1activity may contribute to the response of HIV/HHV-coinfected patients to ACV treatment and could guide strategies for the development of new HIV-1RT inhibitors.

对大多数病毒而言，都需要有针对其分子特性的靶向杀毒剂阿昔洛韦就是这样一种靶向药物在人疱疹病毒酶的特定作用下，阿昔洛韦被激活成为人疱疹病毒DNA聚合酶抑制剂，因此不能再抑制其它的病毒我们的研究发现阿昔洛韦在共感染人疱疹病毒的组织中可以抑制HIV-1，但在无人疱疹病毒感染的组织或细胞中无此作用然而，加入人疱疹病毒-6感染的细胞却使得其对抗HIV的阿昔洛韦变得敏感我们推测这种抑制作用依赖于人疱疹病毒酶导致的阿昔洛韦磷酸化实际上，单磷酸化的阿昔洛韦前体药物无需人疱疹病毒的参与即可抑制HIV此外，磷酸化的阿昔洛韦能直接抑制HIV-1逆转录酶，将其阻止在终止位点，从而终止DNA链的延长这些结果提示阿昔洛韦的抗HIV-1活性决定了艾滋病病毒/人疱疹病毒共感染的患者对阿昔洛韦的治疗反应，也有助于开发新的HIV-1逆转录酶抑制剂

In acidic medium,ammonium vanadate and ammonium molybdate are added,which,with phosphorous acid,form yellow ternary acid of phosphor,vanadium and molybdenum,by which the content of phosphor can be determined.

试样经盐硝混合酸溶解，以过氧化氢将亚磷酸氧化成正磷酸，在酸性介质中，加入钒酸铵和钼酸铵与磷酸形成黄色的磷钒钼三元杂多酸，从而进行磷的测定。

If the specific surface area (0.3391 m2/g) of non-modified tea extracted residual was set as 1, the specific surface area of 9 adsorbents, modified with optimized condition, will be 24.7 thiocarbamide plus phosphorylation (1, 12.2 phosphorylation (1, 6.7, 6.5 phosphorylation (2, 6.1 (sodium thiosulfate modification), 5.9 formaldehyde (1, 5.8 formaldehyde (2, 5.4, and 4.9.

设未经修饰过茶叶渣比表面积(0.3391 m2/g)之相对比值为1，其余九种化学修饰化法制备之吸附剂比表面积相对比值分别为硫脲加磷酸化修饰处理法24.7，磷酸化修饰处理法 12.2，磷酸化修饰处理法 6.7，硫脲提升纤维素架桥作用6.5，硫代硫酸钠修饰处理法6.1，甲醛修饰处理法 5.9，甲醛修饰处理法 5.8，醋酸修饰处理法5.4，柠檬酸修饰处理法4.9。

Methods Using HIRI model in tabbits,animals were randomly divided into four groups (n=10 in each),HIR group,HIR+ LGT group,HIR+ Pro group and HIR+ LGT+ Pro group,the contents of adenosine triphosphate,adenosine diphosphate,adenosine monophosphate,total adenylic acid numberand energy charge in the liver tissue were measured at 45 minutes after reperfusion, respectively.

复制肝缺血-再灌注损伤模型，随机将40只实验兔分为肝缺血-再灌注组、肝缺血-再灌注＋LGT治疗组、肝缺血-再灌注＋PRO治疗组和肝缺血-再灌注＋LGT＋PRO治疗组。在再灌注45 min时，分别观察肝组织内三磷酸腺苷、二磷酸腺苷、一磷酸腺苷含量、总腺苷酸量、能荷及肝细胞形态学的变化。

This method is more simple and inexpensive than screening cDNA library, and can be easily adapted to clone other genes. An Amorpha fruticosa cDNA clone encoding UDP-glucose pyrophosphorylase, a key enzyme producing UDP-glucose in the synthesis of sucrose and cellulose, was cloned by using this method.

本论文利用此方法首次从紫穗槐中克隆了与纤维素合成前体----尿苷二磷酸葡萄糖的代谢有关的尿苷二磷酸葡萄糖焦磷酸化酶基因和与木质素合成相关的4-香豆酸：CoA连接酶(4CL)基因的全长cDNA序列，并由此推测出相应的氨基酸序列。

The SEM experiments indicate that the coating crystalline present an ordered arrangement and an arborous appearance. All crystals are larger than that before the addition of organic polymer. The length of some crystal branches are larger than 100 micron. It is supposed that the existence of arborous crystals is due to the incorperation of organic polymer into DCPD coating.

电镜实验表明，电解液中加入有机高聚物后，陶瓷沉积层呈有序排列，晶体呈树枝状结构，膜层中晶体颗粒度增大，有的分枝长达100多微米，磷酸氢钙膜层中出现的树枝状磷酸氢钙晶体是由于有机高聚物掺杂进入磷酸氢钙陶瓷膜层。

Effects of different additives such as sulfurized olefin,mixtures of amine phosphates,ester thiophosphates,N-containing agents and ashless rust-resistant agents on the emulsion stability ,EP/AW properties and rust-resistance of industrial gear oil were studied.

研究了硫化烯烃、磷酸酯胺盐、硫磷酸酯极压抗磨剂，含氮杂环衍生物多功能添加剂和防锈剂等，对工业齿轮油抗乳化性能、极压抗磨性能、防锈性能的影响；以及硫化烯烃、磷酸酯盐极压抗磨剂与含氮杂环衍生物多功能添加剂之间的协和效应。

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。