单词 | Nitrate |
例句 | 1. Silver nitrate is a salt. 2. Potassium nitrate and potassium chloride are potassium salts. 3. We need to cut nitrate levels in water. 4. High levels of nitrate occur in eastern England because of the heavy use of fertilizers. 5. Babies in high nitrate areas are given bottled water. 6. But, with heavier stocking, even grass leaches more nitrate. 7. But that very nitrate is sustaining the algae. 8. I think your nitrate levels are to blame. 9. Unpolluted ecosystems release only small quantities of nitrate in streams. 10. Now if we can just lower our tapwater nitrate levels ... I hope you like our new series of free fish cards. 11. The Ecological Impact of Nitrates Two rivers illustrate the impact of nitrate pollution. 12. They are not normally thought of as potassium nitrate molecules existing as single entities outside the solid lattice. 13. A more sinister development is the seepage of nitrate into aquifers which are used as sources of the domestic water supply. 14. So nitrate from the enormous growth in artificial fertiliser applications is rapidly leached away. 15. Nitrate levels must remain below 50 parts per million to stay within the law. 16. Does it complete the nitrogen cycle, ie. convert nitrate into nitrogen? 17. The question of introducing nitrate protection zones got serious consideration only through the Nitrate Coordination Group in 1987. 18. Use of Ammonia, Nitrite and Nitrate test-kits will give you an accurate measure of how effective your bacterial filtration is. 19. Now is the time to put fears about nitrate levels in water into true perspective. 20. After various delays it produced a report, Nitrate in Water, in December 1986. 21. The two water regions of Britain with the greatest nitrate problems are Anglian and Severn Trent. 22. Control: Watering regularly, especially when fruits are swelling, and apply Chempak calcium nitrate. 23. Changes can be reduced by good filtration, which will remove ammonia and nitrite, and even nitrate. 24. The nitrogenous materials which have been oxidized aerobically to nitrate are then reduced anaerobically to nitrogen. 25. Some 850,000 people are supplied with water with a nitrate concentration above 50 mg/litre. 26. Expensive commercial explosives continued to sell; consignments of cheap ammonium nitrate fertiliser continued to explode. 27. According to the DoE, since 1979 government advice to cereal farmers has reduced autumn applications of nitrate by 60 percent. 28. Heavily stocked or overfed tanks suffer the most and nitrate levels can quickly rise out of control if great care is not taken. 29. Unless farm fertilisation increases, atmospheric deposition of nitrogen, especially as nitrate, may well overtake deposition from land runoff. 30. In fact, Water Lilies should help, not aggravate the situation, as all plants are consumers of nitrate. 1. Silver nitrate is a salt. 31. Look at singer Linda Hopper, quite literally hopping on the spot and grinning like a hyena in an amyl nitrate factory. 32. The smile appears forced, unsteady, seems to quaver, though it is frozen in silver nitrate. 33. They weren't chemists; but they started mixing ammonium nitrate fertiliser with diesel fuel, and detonating the mixture with dynamite. 34. An estimated 100-200,000 use private wells, many with high nitrate levels. 6. 35. Previous research concentrated on the removal of nitrate that was observed when groundwater conditions change from aerobic to anaerobic. 36. Drugs aside, nitrate over 100 mg/litre is the principal cause. 36. Wish you can benefit from our online sentence dictionary and make progress day by day! 37. Left: A hardy Puffer may cope with nitrate trouble - for a while at least. 38. Growers in the 68 regions classed as Nitrate Vulnerable Zones are receiving their instructions from on high. 39. I am not surprised you are experienced high nitrate levels. 40. Also, regulation may prohibit the addition of some nutrients to groundwater - eg nitrate. 41. Farming More intensive agriculture has led to increased concentrations of nitrate in groundwater in many areas. 42. By contrast, the manufacturers of ammonium nitrate fertiliser have always manfully ignored its explosive properties, despite frequent forceful reminders. 43. Fields will be surrounded by barrier strips to prevent phosphate, nitrate, and pesticide pollution of water-courses. 44. Approximately 5 percent of all those consumers on public supplies receive water with nitrate above 50 mg/litre. 45. Pasture, especially natural or long established pasture, acts like a biological sponge, holding large amounts of nitrate. 46. It happened to the film industry, which watched the masters of early classics turn to silver nitrate dust. 47. Indeed, even the current standard for nitrate in water does not totally guarantee the absence of ill effects. 48. The nitrate problem has taught us that to protect our drinking water, we must monitor the unsaturated zone. 49. Gunpowder is composed of sulfur, carbon, and potassium nitrate. 50. Matrix bismuth is separated as basic bismuth nitrate hydrolysis. 51. Nitrate, Nitrite, Ammonia, Chloride, Orthophosphate, Total Phosphorus, Sulphate, Nitrogen. 52. Silver nitrate. It was later considered poison. 53. The nitrate ion has four fundamental modes of vibration. 54. Some commercial laboratories use periodic nitrate tests as guides. 55. Nitrate reductase is a short - lived enzyme. 56. They were able to nitrate methane to nitromethane. 57. Miconazole nitrate may be used during pregnancy. 58. TNT (trinitrotoluene):Pale yellow, solid organic compound made by adding nitrate (-NO2) groups to toluene. 59. This essay introduces a way of preparing sodium nitrate from brine by ion ex - change technology. 60. In this paper , the solubility of thiamine nitrate are measured by Laser method under different conditions. 61. Objective To observe the clinical curative effect of VitAD combined with Miconazole Nitrate in treating neonate diaper dermatitis. 62. Conclusion The silver nitrate TRAP method with high sensitivity and specificity can be performed in a shoner period with smaller dose of bioptic tissue. 63. In 1887, Cajal started using Golgi's method of staining nervous tissue, and pioneered an improved method, which involved immersing tissues in fixative and silver nitrate a second time. 64. Objective To introduce a new method to prepare miconazole nitrate cream. 65. La 0.6 Sr 0.4 Co 1 - yFeyO 3 fine powders have been synthesized by a Glycine - Nitrate process ( GNP ) method and a Citrate method. 66. Losses of Ca and Mg are accelerated by fertilizers which supply nitrate[http://], sulphate and chloride. 67. Laboratory experiments were conducted to examine the feasibility of using non uniform electrokinetics (NUEK) to control the movement of nitrate in unsaturated soil water system. 68. The titrant is a mixture of silver nitrate and sodium fluoride, both fluorinion indicating electrode and silver ion indicating electrode are inserted in the titration solution. 69. Nitrate utilization rate test showed that the contents of organic compounds in raw wastewater were not sufficient for complete denitrification. 70. An ion chromatography method with suppression-conductivity detection has been developed for the detection of residuary chlorate in the soil after explosion with a high concentration of nitrate. 71. Objective To investigate the reliability doserving pseudomonas aeruginosa biofilm with silver nitrate staining. 72. IBA decreases both the nitrate reductase activity and nitrate in roots and leaves, and promotes the dephosphorylation of the nitrate reductase and the sucrose content. 73. The computer simulation was performed in the potassium nitrate electrolyte solution using molecular dynamics method. 74. And nickel nitrate was added to largely increase the cineration temperature during the process and eliminate the inter- ferenee of phosphorus in sample matrix. 75. Magnesium nitrate as matrix modifier in the determination of trace beryllium by GFAAS was studied. The effect mechanism of Mg (NO3)2 on ashing and atomization was studied. 76. Hydroxyapatite(HAP)powder was prepared from calcium nitrate and phosphoric acid by homogeneous precipitation method. 77. The effects of inorganic additives on the misfire properties of ammonium nitrate were investigated. 78. German synthetic nitrates knocked out Chilean nitrate mining after 1920. 79. In the presence of ethanonitrile and polyethylene glycol, anisole reacts with ammonium ceric nitrate to form o-nitroanisole. 80. Effects of KNO3 spray on nitrate reductase activity (NRA) and nitrogen accumulation were studied in Pyrus pyrifolia cv. Niitaka seedlings grown in pots. 81. The nitrate ions react with 2,6- dimethylphenol in a solution of sulphuric and phosphoric acids to form a stable complex that is 4-nitro-2,6-dimethylphenol. 82. The effects of six kinds of manures on growth, yield, change in nitrate-N content, nitrate content and nutrient quality of romaine lettuce were studied in soilless culture. 83. Effect of different stress on roots activity and nitrate reductase activity in Zea mays L. 84. As added 0.2% calcium nitrate and calcium amino acid in the Ganoderma lucidum deep fermentation, the ability of bioenriching ... 85. Objective To evaluate the content, stability and release of econazole nitrate in microcapsule consisted of gelatin and acacia. 86. A technology of compressed air spray nitration was reported in this paper. A method of continuous manufacture of 2-ethyl hexyl nitrate was achieved. And safety in production was given. 87. The concentrations of ammonia and nitrate in water - sediment interface seasonally. 88. The extraction mechanism of uranyl nitrate is discussed in terms of a cone-angle model. 89. He argued that the controlling factor in eutrophication is not nitrate but phosphate. 90. Expanded Ammonium Nitrate is widely used as oxidizer of industrial explosive in recent years. 91. Nitrate can be used by facultative organisms living under intermediate conditions referred to as anoxic. 92. Cellulose ether nitrate as novel energetic adhesive for solid propellant was synthesized. 93. Catalytic reduction of nitrate in groundwater by sodium formate was conducted. 94. Methods The content of econazole nitrate in microcapsule was determined by HPLC. 95. OBJECTIVE:To establish the preparation process and method of quality control of econazole nitrate ear-drops. 96. Experimental investigation of performance of amyl nitrate and isooctyl nitrate is made. 97. This article describes and chemical properties,[http:///nitrate.html] productive technology and market prediction of calcium ammonium nitrate. 98. A new catalyst sodium nitrate( SN ) used for cotton fabric durable press finishing with BTCA was developed, which is non-phosphorus and environment-friendly. 99. Effects of time, order of adding reagents, contents of ethanediol, silver nitrate, acid copper plating bath and nitrate on scattering intensity of resonance light were studied. 100. A mild and high efficient method to prepare glycidyl nitrate by selective nitration of glycidol with dinitrogen pentoxide as the nitrating agent was developed. 101. Traditional manufacture of potassium nitrate with double decomposition was small scale and high energy cost. 102. Objective: Studying and reviewing on preparation and stability of Miconazole Nitrate Cream. 103. The zirconium nitrate is more suitable to be used as the precursor than zirconium oxychloride to get stable zirconyl oxalate sol with uniform particles. 104. The cerous phosphate nanophase fluid is produced from cerous nitrate and phosphoric acid by settling method. 105. A series of disubstituted monoamides extractants were synthesized and their extracted species with uranyl nitrate were obtained by extraction method. 106. For the preparation of CeO2 nanoparticles, cerium nitrate and azodicarbonamide were used as starting materials and other materials were used as additives. 107. There is evidence for several potential sources of NO in plants, including nitric oxide synthase (NOS), nitrate reductase (NR), xanthine oxidoreductase or nonenzymatic sources. 108. The nitrate and chlorate, very volatile, give off brilliant crimson flames and are used in flares, fireworks, and tracer bullets. 109. Objective:To assay and compare the in vitro antibacterial activities of silver nitrate eye drops and povidone-iodine eye drops, both of which are used for prevention of neonatal ophthalmia. 110. Nitrate of soda may be sown pasture that does not eat off. 111. The reaction was highly para - selective. Ortho - to - para ratio was below 0.58 in the nitration products of toluene with n-propyl nitrate instead of 1.67, as compared with sulfonitric acid. 112. Calcium ammonium nitrate is a new high - analysis compound fertilizer with excellent properties. 113. Iodine at the same time, algae companies, refined iodine, potassium iodide, potassium iodate, silver nitrate. 114. The existence of nitrate had an inhibitory effect on p-NCB reduction because of competition for electron donor between nitrate and p-NCB. 115. The concentrations of ammonia and nitrate in water - sediment interface varied seasonally. 116. The prepared method and technologic condition of tetrahydrated manganous nitrate reagent is given in laboratory. 117. Discussion also made for the formation and evolution mechanism of sylvite nitrate. 118. A mixture of potassium chlorate, sugar and strontium nitrate produce red flames when ignited. 119. Demand for ammonium nitrate, mainly from the people as well as the nitro - compound explosive products. 120. Objective To study the staining method by silver nitrate in preparation of teaching - sample sections in quantity. 121. Description: Lanthanum Nitrate is soluble in water and moisture in wet air. 122. Agricultural potassium nitrate and ammonium chloride are produced double decomposition from potassium chloride and ammonium nitrate. 123. Objective To establish an HPLC method for the assay of compound econazole nitrate cream. 124. The results showed that DCD and Mo could obviously reduce nitrate accumulation in vegetables. 125. With the rice growing, the decline of nitrate reductase activity in N2 was less than that in N1 and N0. 126. According to soil fertility and soil structure in the loess plateau,[sentencedict .com] the experiment of fertilizer amount was carried out with ammonium nitrate and calcium superphosphate. 127. Objective To establish a method of microbial limit test for miconazole nitrate liniment. 128. Prediction of the Fraction of Calcium Nitrate being Separated out from Nitro - Phosphate Solution in Freezing -? 129. The nitrate content of radish, pachyrhizus, cabbage and greengrocery is much higher above the required limit. 130. The thermokinetics of solid liquid reaction of zinc nitrate with histidine are studied using a microcalorimeter. 131. Nitrate of soda may be sown on pasture that does not eat off. 132. The yield of ammonium cerium nitrate is more than 85%, and the purity of ammonium cerium nitrate with orange red color is larger than 99%. 133. It indicates that lead nitrate and nickel chloride have obvious reproductive toxicity. 134. Objective To investigate the relationship between psoriasis and staphylococcus aureus and Pityrosporum yeast and the treatment of psoriasis with triamcinolone acetonide and econazole nitrate cream. 135. Between Portland cement and uranyl nitrate reaction, Calcium Uranate mineral group are indicated at the same condition. 136. Tungstocobalt heteropoly salts were synthesized using sodium tungstate and cobalt nitrate as materials. 137. The effects of different types and application methods of N fertilizer on greengrocery (Brassica campestris L. ssp. Chinnesis) yield and nitrate content were investigated in a field experiment. 138. The graft copolymerization of acrylonitrile onto cotton yarn and viscose rayon with ceric. ammonium nitrate as initiator has been studied. 139. The restraining effects of Dicyandiamide ( DCD ) on nitrate accumulation in vegetables were carried out in pot - test. 140. The autoignition temperature method was adopted in this paper to investigate the performance of amyl nitrate and isooctyl nitrate. 141. Monodispersed NiO precursor particles were prepared by homogeneous precipitation from nickel nitrate solution in the presence of urea. 142. The total changing trends was that Nitrate reductase activity, soluble protein content and nitrogen content of flag leaf reduced gradually with grain filling course. 143. In the presence of acetic acid and polyethylene glycols, acenaphthene reacts with ammonium ceric nitrate to form 5 nitroacenaphtene under mild conditions with high yields. 144. The cause of red platy alkali was analysed based on the alkali quality in cell, feeding of sodium nitrate and sulfur, settled time, temperature control, etc. 145. GLEAMS model was introduced to calculation of nitrate leaching in an agricultural catchment in Southeast China. 146. The nitrate form commonly dominates where liberal nitrogen fertilization is practiced. 147. The direct cause of the criticality accident was workers putting uranyl nitrate solution containing about 16.6 kg of uranium, exceeding the critical mass, into a precipitation tank. 148. The yield, vitamin C and nitrate contents in the edible parts of pakchoi were also increased, and hence the nutritional quality was improved. 149. On the contrary, when low nitrate concentration was applied to Changnong 4, its nodule nitrogenase activity was inhibited and ureide content decreased in early growth period. 150. In many plants, including most tree crops, nitrate nitrogen does not usually occur in the leaves. 151. Effects of foliar application of Zn fertilizer on nitrate and nitrate reductase (NR) in Lettuce were studied by methods of field experiment and lab analysis. 152. Ammonia can be transformed into nitrate that can be utilized by plant via nitrification. 153. Uses: A Plaza Premium intermediate urea nitrate. Can also be used as a solvent. 154. In severe or refractory cases, cauterization of the individual lesions with nitrate has been used. 155. Mixing 'poppers' (amyl nitrate) with Viagra for example, can lead to a drastic drop in blood pressure and can cause stroke, heart attack or death. 156. Graft polymerization of acrylic acid onto maize starch using ceric ammonium nitrate, ammonium persulfate and ammonium persulfate sodium bisulfate as initiators is studied. 157. A new improved approach of testing powder method for rapidly determining nitrate content in fresh vegetable was studied. 158. Appling molybdenum fertilizer could remarkably reduce accumulation of nitrate in lettuce and you-mai vegetable no matter which pattern of fertilization, basal-dressing and top-dressing. 159. Under the nitrate nutrients, the photorespiration of leaf was obviously higher . 160. The biomass of Chlorella vulgaris was increased without influence on its chlorophyll content when nitrate was used as nitrogen source. 161. The percentage of nitrogen in ammonium nitrate can be determined by titrimetry with standard NaOH solution. 162. Possibility of emulsive bases taking as sensitizers of ammonium nitrate explosive instead of TNT, composition of explosives and technology were studied in this paper. 163. Ultrafine alumina powders were prepared by pyrolysis of the aluminium precursor powders obtained by precipitation method using aluminium nitrate and ammonium carbonate as raw materials. 164. Membrane is widely used in analytical and laboratory filtration. Mixed cellulose ester membrane(for hydrophilic) is a mixture of cellulose acetate and cellulose nitrate. 165. They restore the nitrate and sulfate ions, synthetic amino acids. 166. It'shows that the oxygenation of the sodium nitrate is obvious to cerium. 167. The results showed that the nitrate reductase activity, net photosynthetic rate, chlorophyll contents and bleeding rate rose with increasing nitrogen levels. 168. Huang original nitrate, 11 th flotation oil processing and sales. 169. The present invention is related to an improved technological process for producing sodium nitrate by the double decomposition of calcium nitrate and sodium sulfate. 170. GA enhances the nitrate reductase activity, but decreases, the nitrate content in leaves, reduces the dephosphorylation of" the enzyme and the sucrose content." 171. Deep study is carried out for the magnesium nitrate based catalyst system in DP finishing of cotton fabrics. 172. Prompted by their own intelligence information, the police seized more than 5, 750 kilograms of ammonium nitrate, used in homemade bombs. 173. The results showed that this ammonium nitrate explosive has higher power and larger loading density, while maintaining its main explosion properties. 174. Mainly engaged in exporting of the products. Such as potassium nitrate, calcium nitrate, calcium ammonium nitrate and 26 kinds of chemical products, flanges, glassware and so on. 175. Under favorable conditions the ammonium ion is converted to nitrate. 176. In the presence of ethanonitrile and polyethylene glycol, anthrone reacts with ammonium ceric nitrate to form 1 nitroanthraquinone. 177. In this study, column experiments, including measurements of corrosion potential, were conducted to determine the effects of nitrate on trichloroethylene degradation by granular iron. 178. Lanthanum nitrate block impregnation technic was used to demonstrate the neurocyte membrane permeability in the animal model of acute cerebral ischemia and reperfusion. 179. Thus the relations between densities of the solution and concentrations of uranyl nitrate and nitric acid are provided for. 180. The effect of the carrier concentration, silver nitrate concentration and immersion time on the bacterial inhibition rate ware studied. 181. Experimental results show that the supported nano zero-valent iron can rapidly reduce nitrate nitrogen. 182. Bacon is made of the side of pig cured by salt, sugar and sodium nitrate. 183. In the concentrated nitric acid production, the hazard and control of impurity in the magnesium nitrate solution are introduced. 184. Methods: Use emulsifying agent to prepare Miconazole Nitrate Cream on, centrifugation test, anti - heat test, anti -cold test and room temperature sample observing test is applied to stability. 185. When molybdenum is deficient, nitrate may accumulate to a toxic level in the plant. 186. Sertaconazole nitrate 2 cream and miconazole nitrate 2 cream were applied in the trial and control group respectively twice daily for 4 weeks. 186. is a sentence dictionary, on which you can find good sentences for a large number of words. 187. The preparation principle, synthetic method and the optimum processing of nickelous hydrazine nitrate is displayed. 188. Weekly testing for ammonia, nitrite, nitrate, turbidity, iodide, and strontium. 189. Research and development the new dosage form of nitrate Pilocarpine, to provide a safe, reliable and effective sustained release drugs on the treatment of glaucoma. 190. The way of adding additives directly in ammonium nitrate was recommended. 191. And ammonia had effective selectivity for the separation of potassium nitrate. 192. Objective:To study the preparation of pilocarpine nitrate eye-drops, chitosan was used adhesive to increase the effect and decrease the dosage. 193. Nitrate acid and chloride ions existed at the same time accelerate its decomposition reaction and reduce the critical explosion temperature. 194. The result showed that Amaranthus spinosus and Angelica flaccida kom were rich in vitamin C and carotene. But the content of nitrate was low. So they are good wild vegetables. 195. NH 4 NO 3 used to be the main raw material for producing nitrate - compound fertilizer. 196. India media reports say ammonium nitrate fuel oil mixed with a military-type high explosive, known as RDX, was used. 197. The approaches for nitrate removal have a lot of categories: physical methods, chemical methods, biological denitrification and electrocatalysis methods. 198. The starch-polyacrylonitrile grafting copolymers with water absorbility were prepared by one step synthesis in several aqueous organic solvent systems using ceric ammonium nitrate as the initiator. 199. The effects of Dicyandiamide (DCD) and Molybdenum (Mo) on reducing nitrate accumulation in vegetables were carried out in pot-test. 200. Ammonium nitrate (AN) is a kind of polymorphous substance which is subjected to caking due to environmental factors. 201. What kind of barbitals assayed by the potentiometric titration with silver nitrate? 202. Objective To study the community of denitrifying bacteria and nitrate - nitrogen removal in downflow fixed - bed bioreactor. 203. Two kinds of methods for the regeneration of magnesium nitrate solution are discussed, which are precipitation method and filter-press method. 204. In addition, plant can also produce NO by nitrate reductase. 205. In the presence of ethanonitrile and glycol, anisole reacts with ammonium ceric nitrate to form o - nitroanisole. 206. The nitrogen fertilizer losses in paddy field involve nitrification - denitrification, ammonia volatilization nitrate leaching and runoff. 207. This paper briefly presents determination of nitrate in water using ultraviolet spec - to photometric . depend . correctness. 208. The experiment was conducted on the nitrate reductase activity(NRA) of 11 wheat varieties(or strains) in seedling period. 209. Nitrocellulose chips is mainly used in industry of nitrate lacquer , coating, printing, moisture - proof glass paper, etc. 210. Objective:To optimize the synthesis of econazole nitrate, a useful antifungal agent. 211. Phenanthroline is used as indicator and ammonium ceric nitrate standard solution for titration in the determination. 212. Nitrate of low concentration can interfere with adsorption of uranyl sulfate anion on anion-exchange resins because the anion-exchange resins have a stronger affinity for nitrate in uranium solution. 213. Other compounds not compatible with reducing agents include ammonium nitrate, hydroperoxide, potassium perchlorate, sodium nitrate. 214. We also improved the conventional formol-H2SO4 titrimetric method, and applied it into the determinations of the contents of amide nitrogen and total nitrogen in urea nitrate metal complexes. 215. What type of electrode pairs should be used for the potentiometric titration with silver nitrate? 215. try its best to collect and make good sentences. 216. The oxybiontic bacterium further decomposes the rubbish contained with nitrogen water circulation into nitrate. 217. The results showed that the interaction of curcumin with collagen and collagen containing cerous nitrate are both static quenching, and there is a binding site in them respectively. 218. A fine method is wrapping around the surface of ammonium nitrate by polymer, and forming a hydrophobe layer on the surface. 219. Most of all, self - sensitization of ammonium nitrate is one of the key approaches and technologies. 220. Hydroxylammonium nitrate ( HAN ) is the main active toxic component of the new HAN based liquid propellant. 221. The standard solution is added lanthanum nitrate solution as much as the sample. |
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