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1 ox process for energy-efficient treatment of nitrogen.
2 imation of crude protein due to chitin-bound nitrogen.
3 n also be formed from an s-block element and nitrogen.
4 diversity effects on stem biomass and canopy nitrogen.
5 organotrophic consortium cycling methane or nitrogen.
6 rients to the bacteria in exchange for fixed nitrogen.
7 up formed by reaction with the cyclic aminal nitrogen.
8 ith bulk stable isotope ratios of carbon and nitrogen.
9 We conducted an in situ whole mature tree nitrogen-15 ((15) N) labeling experiment ((15) NH(4) (+)
10 y regarded as indicating a mantle origin for nitrogen(7-10), in fact represent dominantly air-derived
11 uirements for cell growth and proliferation, nitrogen acquisition and utilization must be tightly reg
12 fertilized plots decreasing in proportion to nitrogen addition-dependent declines in soil pH and loss
13 ces and accounts for the interaction between nitrogen additions and the biochemical processes that co
14 an-induced emissions, which are dominated by nitrogen additions to croplands, increased by 30% over t
15 d exposes more W active sites, optimizes the nitrogen adsorption energy, and facilitates the electroc
17 ndicated distinct transcriptional responses: nitrogen affects transport of ions such as copper, where
20 ivated nanostructured metallic precursors in nitrogen and consolidated by spark plasma sintering.
22 ermining soil nitrification rate, while soil nitrogen and pH influenced soil nitrification via changi
23 erbivore community alter the ratios at which nitrogen and phosphorus are supplied to plants and test
24 nd associated with growth (respiration rate, nitrogen and phosphorus concentrations, and leaf mass pe
26 , with lower leaf mass per area, higher leaf nitrogen and phosphorus, faster photosynthetic rates, an
27 root traits, especially root diameter, root nitrogen and specific root length, in driving rhizospher
28 otoionization (APPI)(+)) to characterize the nitrogen and sulfur compounds contained in these samples
29 Ni alloying enables the chemisorption of nitrogen and the lower free-energy change for the *NNH f
33 elative supplies of resources (e.g., carbon, nitrogen, and phosphorus), leading to nonlinear and inte
37 carbons (NACs) with closely-placed graphitic nitrogen as active sites, achieving dihydrogen dissociat
39 increased the abundance of Calvin Cycle and nitrogen assimilation metabolites while suppressing the
41 avorable hyperconjugative donation from each nitrogen atom into neighboring electron-poor sigma bonds
43 , bridged bicyclic sultams with a bridgehead nitrogen atom) were outlined, and a number of these comp
44 ionally unreactive C-H bond, proximal to the nitrogen atom, into a versatile chemical entity would be
46 able lone-pair repulsion between neighboring nitrogen atoms and maximize the favorable hyperconjugati
54 uantitative estimates of the basicity of the nitrogen atoms were obtained using conceptual density fu
55 lecules containing internal chains of bonded nitrogen atoms, is of fundamental scientific interest in
57 y by indirect climate effects (e.g., greater nitrogen availability and decreased fungi:bacteria ratio
58 g island-wide surveys of coral bleaching and nitrogen availability within a Bayesian hierarchical mod
59 whose expression is regulated in response to nitrogen availability, but which belong to unknown or hy
62 gress and current research on utilization of nitrogen-based fuels in power applications, covering the
69 ntration primary treatment and low carbon-to-nitrogen (C/N) ratio sewage at the secondary biological
72 ical relationships with proxies such as leaf nitrogen/chlorophyll content or hyperspectral reflectanc
73 transition metal (M: Fe, Co, or/and Mn) and nitrogen co-doped carbon (M-N-C) catalysts as the most p
76 ort behavior of low molecular weight neutral nitrogen compounds in order to maximize ammonia recovery
77 cement in the periodic table makes catenated nitrogen compounds of interest for development of high-e
81 bit n-type conduction under both ambient and nitrogen conditions; Ni-HAB is found to be ambipolar, wi
85 ation leads to a great variety of polycyclic nitrogen-containing heterocycles under mild conditions.
86 n to form nitrogen-element bonds en route to nitrogen-containing molecules is a long-standing challen
87 ization of P-phenyl modified phosphorus- and nitrogen-containing phosphaquinolinone heterocycles.
89 d by peat property (bulk density, carbon and nitrogen content), (14) C, (210) Pb and (137) Cs analyse
90 sed with mean annual temperature (MAT), soil nitrogen content, microbial biomass carbon and nitrogen,
94 um oxidation) bacteria are important for the nitrogen cycle in both natural environments and wastewat
96 ow that the effect of subduction on the deep nitrogen cycle may be less important than has been sugge
97 Nitrogenase is a key player in the global nitrogen cycle, as it catalyzes the reduction of dinitro
98 haumarchaeota are important organisms in the nitrogen cycle, but the mechanisms driving their radiati
108 derstanding of the implications of increased nitrogen demand to store organic forms of carbon in soil
109 Effects of atmospheric CO(2) fertilization, nitrogen deposition, climate, wildland fire, harvest, an
110 istorical hotspot for atmospheric sulfur and nitrogen deposition, features abundant lakes that are ex
111 (2) , temperature, precipitation regimes and nitrogen deposition, yet few studies evaluate interactio
113 (a)pyrene (BaP), sulfur dioxide (SO(2)), and nitrogen dioxide (NO(2)) over two consecutive 24-h sampl
115 road traffic day-evening-night noise (Lden); nitrogen dioxide (NO2); and particulate matter (PM) with
116 ltiexposure model identified particulate and nitrogen dioxide air pollution inside the home, urine co
117 each 1-ppb increase in long- and short-term nitrogen dioxide exposure was associated with 3.24 (95%
120 ural gas production and were correlated with nitrogen-dioxide columns at a ratio that is consistent w
121 best explained by species with greater leaf nitrogen dominating upper canopies in mixtures, rather t
122 bers of the NadE family use l-glutamine as a nitrogen donor and are named NadE(Gln) Previous gene nei
123 ivities originate from cooperating graphitic nitrogen dopants induced by the diamine precursors, as d
125 icate various metal single-atom catalysts on nitrogen-doped carbon (M(1)/CN, M = Pt, Ir, Pd, Ru, Mo,
126 ansition between sulfur and lithium sulfide, nitrogen-doped carbon dots become highly reactive with p
127 ent activity, single iron atoms dispersed on nitrogen-doped carbons (Fe-N-C) have emerged as appealin
128 strated by rational tuning of an assembly of nitrogen-doped nanodiamonds and copper nanoparticles.
129 nalization of coordinated dinitrogen to form nitrogen-element bonds en route to nitrogen-containing m
135 on-farm use as (1) soil amendments to offset nitrogen fertilizer inputs, (2) seed coatings to increas
136 GmVTL1a amino acid substitutions that block nitrogen fixation in Ljsen1 plants reduce iron transport
137 turnover times in the marine subsurface and nitrogen fixation rates in pelagic unicellular cyanobact
138 heavy reliance of the industrial Haber-Bosch nitrogen fixation reaction on fossil fuels, there is a s
143 ria have traditionally focused on nodule and nitrogen-fixation phenotypes when hosts are inoculated w
144 f the exopolysaccharide succinoglycan by the nitrogen-fixing bacterium Sinorhizobium meliloti 1021 is
145 ovel form of the heterocyst, the specialized nitrogen-fixing cell of the multicellular cyanobacterium
146 nodulating and nonnodulating species in the nitrogen-fixing clade indicated that the nodulation trai
148 H gene was enriched by a factor of 10 in the nitrogen-fixing reactors (compared to controls) attainin
149 Genetic studies of legume symbiosis with nitrogen-fixing rhizobial bacteria have traditionally fo
153 lar aKG concentrations, thereby sequestering nitrogen from aspartate through glutamic-oxaloacetic tra
154 atio and shift metabolism towards scavenging nitrogen from purines relative to free-living algae.
156 e a 60% linear decrease in volatile reactive nitrogen gas flux (NO(y) = NO, NO(2) , HONO) as ECM tree
157 ped for the conversion from chemically inert nitrogen gas to chiral amino acids, powered by H(2) oxid
158 ffectively treated and converted to harmless nitrogen gas without an external electron donor supply u
159 eatment of ammonia in air with conversion to nitrogen gas without the supply of an extraneous electro
160 orphyrin and amino acid through a main chain nitrogen has been optimized and applied in the synthesis
161 he copper-catalyzed arylation of unsaturated nitrogen heterocycles, known as the Ullmann-Goldberg cou
163 mediator substantially weakens the homolytic nitrogen-hydrogen bond strength of a Bronsted acidic ani
164 Pcs with carboxylate functions or quaternary nitrogens (hydrophilic anionic, hydrophilic cationic, am
165 lyzed oxidation of primary C-H bonds beta to nitrogen in an imine of an aliphatic amine, a process th
166 nt exchange and utilization for host-derived nitrogen in the Chlorella genotypes [12, 13] and symbion
167 and stable isotope ratios of Hg, carbon, and nitrogen in the feathers and blood of geolocator-tracked
169 pared with 0-8 g/d, P < 0.05) and blood urea nitrogen increased with dosage (P = 0.013) and time (P <
170 ext of continuously increasing anthropogenic nitrogen inputs, knowledge of how ammonia oxidation (AO)
173 mework, we tested the hypothesis that excess nitrogen interacts with temperature anomalies to alter c
175 when glutamine, an abundant amino acid when nitrogen is available, binds to the GAF sensory domain o
176 terest in chemical structure and bonding, as nitrogen is uniquely situated in the periodic table to f
177 These data, combined with the carbon and nitrogen isotope contents of the diamonds, indicate that
180 g root nodulation in legumes challenged with nitrogen-limiting conditions requires infection of the r
181 ts 9% of the total annual Greenwich-specific nitrogen load, 16% of the combined nonpoint sources, 38%
182 ure and other anthropogenic activites (e.g., nitrogen loading) will likely increase CH(4) emissions f
183 Their competition has great implications for nitrogen loss, conservation, and greenhouse gas emission
186 ation between the widespread and significant nitrogen (N(2) )-fixing cyanobacterium, UCYN-A and its p
187 by competitive rhizobia that do not maximize nitrogen (N(2)) fixation, resulting in suboptimal yields
188 f greenhouse gases nitrous oxide (N(2)O) and nitrogen (N(2)) in arable soils include high nitrate, mo
189 he Tibetan Plateau to explore the effects of nitrogen (N) addition and rising atmospheric CO(2) conce
191 ii on growth and transcriptome regulation of nitrogen (N) and phosphorus (P) metabolism in winter whe
192 of biologically limiting nutrients, such as nitrogen (N) and phosphorus (P), which can reduce grassl
200 nd cell-cycle-related gene expression during nitrogen (N) deprivation, and its predicted protein inte
201 rgano-organic interface, showing alkyl C and nitrogen (N) enrichment (by 4 and 7%, respectively).
203 The traditional view holds that biological nitrogen (N) fixation often peaks in early- or mid-succe
207 all conditions on maize yield, for different nitrogen (N) inputs (0, 80, 160 kg N/ha) for five enviro
210 e croplands export large amounts of reactive nitrogen (N), which degrades water and air quality and c
211 rite, Allan Hills 84001, preserve indigenous nitrogen(N)-bearing organics by developing a new techniq
213 sulfinyl chlorides in situ with a variety of nitrogen nucleophiles delivers sulfinamides in 32-83% yi
214 Combining sulfinyl nitrenes with carbon and nitrogen nucleophiles enables the synthesis of sulfoximi
215 nterception of ketenimine intermediates with nitrogen nucleophiles such as amines, hydrazines, and TM
216 ubstituted styrenes with internal oxygen and nitrogen nucleophiles undergo oxidative fluorocyclizatio
218 found that the soil organic matter and total nitrogen of the + C treatment were 5.2% and 26.6% higher
219 have been compared to heterocycles with two nitrogen or boron atoms, e.g., C(2)B(10)H(12) carboranes
221 e many ecological studies focus primarily on nitrogen or protein, and fail to consider carbohydrates,
222 oncentrations of 17 air pollutants including nitrogen oxides (NOX), particulate matter (PM), and comp
223 lters the emission ratios between NMVOCs and nitrogen oxides and hence the ozone chemistry in the eas
225 indicating a negligible long-term impact of nitrogen oxides on the catalytic properties of the model
226 ry and titration of ozone in winter, reduced nitrogen oxides resulted in ozone enhancement in urban a
227 y employing different commercially available nitrogen-, oxygen-, sulfur-, or carbon-based nucleophile
229 m-maximum estimates: 12.2-23.5) teragrams of nitrogen per year (bottom-up) and 16.9 (15.9-17.7) terag
230 bottom-up) and 16.9 (15.9-17.7) teragrams of nitrogen per year (top-down) between 2007 and 2016.
231 US wetlands (about 860 +/- 160 kilotonnes of nitrogen per year) is limited by a spatial disconnect be
233 ed the effects of adding multiple nutrients (nitrogen, phosphorus and potassium plus nine essential m
235 gging methods incorporating carbon, silicon, nitrogen, phosphorus, and deuterium into NOM are discuss
236 o accelerates the electron transfer from the nitrogen radical intermediate to the Ir(IV) species in t
237 biotic algae also have an elevated carbon-to-nitrogen ratio and shift metabolism towards scavenging n
240 ferable to other coastal watersheds pursuing nitrogen reduction goals, both with and without establis
241 approach was employed to quantify and value nitrogen reduction services provided by the shellfish aq
243 les, e.g. as a transport and storage form of nitrogen, released via endogenous recycling pathways.
244 Cultivated hard clam and eastern oyster nitrogen removal in Greenwich Bay, Connecticut, was valu
247 s an energy-efficient process for biological nitrogen removal, particularly from wastewater streams w
248 1,2-migration of the organoboron residue to nitrogen, resulting in displacement of 1.[O] and formati
250 little glucose; secreted glutamine and other nitrogen-rich amino acids, indicating active protein bre
251 le bond, length as m-dash]N-Ar5), a class of nitrogen-rich and highly colored compounds, have been kn
256 trogen content, microbial biomass carbon and nitrogen, soil ammonium, and soil pH, but decreased with
263 vironmental challenge, and diverse watershed nitrogen sources require multifaceted management approac
264 urces, readily prepared azidoformates as the nitrogen sources, and 4-dimethylaminopyridine (DMAP) and
265 n = 156) to explanatory variables describing nitrogen sources, geology, and soil and catchment charac
268 oxyl (OH) and hydroperoxy radicals, oxidized nitrogen species and organic peroxy radicals (RO(2)) in
269 ost insults are reactive oxygen and reactive nitrogen species as well as cellular stress induced by a
272 tion does not depend on gene expression once nitrogen starvation has set in and occurs indepen-dently
274 ogical probe of E. coli cell function during nitrogen starvation, we demonstrate that Hfq foci have a
277 sing the ability of T7 phage to replicate in nitrogen-starved bacteria as a biological probe of E. co
281 (TBA) metabolites in the presence of various nitrogen-, sulfur-, or oxygen-containing nucleophiles (e
282 involved in plant responses to environmental nitrogen supply, affecting multiple gene regulatory proc
285 ution of soil organic carbon (SOC) and total nitrogen (TN) concentrations in croplands such as switch
287 le of silyl radical additions to coordinated nitrogen to form silylamines stands as the lone example
290 n ground-state processes but also highlights nitrogen tunneling and the first example of excited-stat
291 ited oxidation reaction, total volatile base nitrogen (TVBN), peroxide value (PV), malondialdehyde (M
294 orrelations (NCCs) of a system formed by two nitrogen-vacancy (N-V) centers placed in two spatially s
296 crease bleaching severity up to twofold when nitrogen was high and heat stress was relatively low.
297 Overall, apparent ileal digestibility of nitrogen was similar in vitro and in vivo and the differ
300 ubstitution on both the metal (M) and carbon/nitrogen (X) sites presents promising routes for tailori