氰胍

The influence of pH levels on protein structure is analyzed using fluorescence anisotropism and a new principle is put forward.

首次以不同修饰的金纳米通道阵列为分离载体，分离了色氨酸／VB2，在半胱氨酸、异硫氰酸胍修饰的金纳米通道阵列内，色氨酸／核黄素的相对选择分离系数度分别为5.7和8.6，绝对分离度分别为111.5和168.0。

Dot blotting assay was employed in this study to ob- serve dynamic changes of c-fos mRNA expression during reperfusion after cere- bral ischemia in rats.

本实验用改良的异硫氰酸胍一步法从脑组织中提取总RNA，与α—〓标记的c—fos cDNA（2.1 kb）探针进行斑点杂交，观察大鼠脑缺血过程中c—fos mRNA表达的变化及小檗碱对其的影响。

a cyanotype mi the gua fasten h2 is stop by body, have a strong nti- sour secrete a function.this text elaborateds its toxicity reaction from 8, though has many poison side effect, still don't lose to one safety stronger medicine, clinical with extensive application, want ～only full understanding, attention observation, ability decrease poison side effect reaction of occurrence.

甲氰咪胍系h2受体阻断剂，有强大的抗酸分泌作用。本文从八个方面阐述了其毒性反应，尽管有诸多毒副作用，仍不失为一安全性较强的药物，临床以广泛应用，只要充分了解，注意观察，能减少毒副作用反应的发生。

Perfluoroguanidine can be prepared by the direct fluorination of dry ammeline with 5% fluorine at about -16℃.

全氟胍可以由于的三聚氰酰胺，用5％的氟在约－16℃直接进行氟化制得。

Perfluoroguanidine can be prepared by the direct fluorination of dry ammeline with 5% fluorine at about-16℃.

全氟胍可以由干的三聚氰酰胺，用5％的氟，在约－16℃直接进行氟化而制得。

On the basis of guanidine thiocyanate method, an economical method of extracting and puring total RNA from Yunjie stigmas was established.

本文在常规异硫氰酸胍法的基础上，改进并确立了一种适合芸芥柱头总RNA的提取与纯化方法。

Extraction of DNA from aloe leaves and processed aloe was optimal using guanidine thiocyanate followed by isopropanol precipitation.

DNA提取和加工芦荟芦荟叶用胍硫氰酸其次是最优异丙醇沉淀。

Total RNA extracted by improved guanidine thiocyanate method and treated with DNaseⅠwere found to be applicable to mRNA differential display technique.

提出了一种有效的芸芥总RNA提取和纯化方法改进异硫氰酸胍法提取的总RNA经DNaseⅠ处理后完全适用于DDRT-PCR分析。

Purpose To establish a RP Ion-pair HPLC method for the determination of dicyandiamide in metformin hydrochloride.

目的 建立反相离子对HPLC法测定盐酸二甲双胍中双氰胺含量的方法。

Respectively use chelex 100 resinate,boiling extraction,proteinase K digest/isopropanol precipitation,proteinase K digest/phenol/chloroformextra ction,alkaline lysis,guanidine thiocyanate lysis,guanidine hydrochloride lysis,spin column method to extract Mycobacterium tuberculosis DNA for multiplepolymerase chain eraction.

选择3份含结核分枝杆菌分别为4.325×103、6.857×104、5.356×105 Copies/ml的痰液，分别用Chelex 100树脂法、煮沸法、蛋白酶K消化异丙醇沉淀法、蛋白酶K消化酚/氯仿抽提法、碱裂解法、异硫氰酸胍裂解法、盐酸胍裂解法、离心柱法抽提结核分枝杆菌DNA作多重聚合酶链反应，显色法芯片检测结核分枝杆菌RFP和INH耐药基因。

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。