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Institution

California State University, Long Beach

EducationLong Beach, California, United States
About: California State University, Long Beach is a education organization based out in Long Beach, California, United States. It is known for research contribution in the topics: Population & Poison control. The organization has 10036 authors who have published 13933 publications receiving 377394 citations. The organization is also known as: Cal State Long Beach & Long Beach State.


Papers
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Journal ArticleDOI
TL;DR: In this paper, a synthesis of existing research about children's misconceptions relating to weather, climate and the atmosphere is presented in tandem with the children's naive ideas, and a source of the misconception is also presented.
Abstract: It is generally accepted that children have their own understanding of how the world works prior to receiving formal science instruction. A great deal of research has been done to determine students' misconceptions related to the physical sciences; less has been done to understand children's ideas in the Earth sciences. This paper reports a synthesis of the existing research about children's misconceptions relating to weather, climate and the atmosphere. The scientifically accepted interpretations are presented in tandem with the children's naive ideas. When possible, a source of the misconception is also presented. In many cases, students' misconceptions are not addressed in the curriculum, allowing them to exist unchallenged.

108 citations

Journal ArticleDOI
TL;DR: In this article, a laser ablation-inductively coupled plasma mass spectrometry (LA-ICP-MS) was used to characterize the slip surfaces on specimens of a famous Mesoamerican tradeware known as Plumbate.

108 citations

Journal ArticleDOI
TL;DR: Evidence is provided that TLS1 is a B transport facilitator in maize, highlighting the importance of B homeostasis in meristem function.
Abstract: The element boron (B) is an essential plant micronutrient, and B deficiency results in significant crop losses worldwide. The maize (Zea mays) tassel-less1 (tls1) mutant has defects in vegetative and inflorescence development, comparable to the effects of B deficiency. Positional cloning revealed that tls1 encodes a protein in the aquaporin family co-orthologous to known B channel proteins in other species. Transport assays show that the TLS1 protein facilitates the movement of B and water into Xenopus laevis oocytes. B content is reduced in tls1 mutants, and application of B rescues the mutant phenotype, indicating that the TLS1 protein facilitates the movement of B in planta. B is required to cross-link the pectic polysaccharide rhamnogalacturonan II (RG-II) in the cell wall, and the percentage of RG-II dimers is reduced in tls1 inflorescences, indicating that the defects may result from altered cell wall properties. Plants heterozygous for both tls1 and rotten ear (rte), the proposed B efflux transporter, exhibit a dosage-dependent defect in inflorescence development under B-limited conditions, indicating that both TLS1 and RTE function in the same biological processes. Together, our data provide evidence that TLS1 is a B transport facilitator in maize, highlighting the importance of B homeostasis in meristem function.

108 citations

Patent
06 Feb 1974
TL;DR: In this paper, a reverse valve gate on a valve stem that extends through annular packing in a bore of a bonnet to a piston in an outer control chamber is used to open the valve against line pressure on the valve and/or spring pressure on valve.
Abstract: Pressurized fluid is controlled by a reverse valve gate on a valve stem that extends through annular packing in a bore of a bonnet to a piston in an outer control chamber. Control fluid pressure moves the piston inward to open the valve against line pressure on the valve and/or spring pressure on the valve. In the absence of both line pressure and control pressure, the valve is closed by spring pressure. The control chamber construction permits quick replacement of control chamber seals. In the event of a fire, the control chamber seals disintegrate to release the control pressure and thus cause line pressure and/or spring pressure to close the valve. The valve stem packing may be conveniently expelled hydraulically for replacement. Various different control assemblies may be mounted interchangeably on the valve bonnet without disturbing the structure of the valve. An auxiliary control may be quickly mounted on the outer end of the control chamber to convert the shut-off valve to manual operation.

107 citations

Journal ArticleDOI
TL;DR: In this paper, the fundamental radical chemistry involved in monochloramine (NH2Cl) photolysis and its efficiency in degrading 1,4-dioxane using a low-pressure Hg lamp (λ = 254 nm).
Abstract: Although chloramines are ubiquitously present during ultraviolet-driven advanced oxidation processes (UV/AOP) that are becoming increasingly important for potable water reuse, the photochemistry of chloramines in treated wastewater, and the associated effects on trace chemical contaminant degradation, are unknown. This study investigated the fundamental radical chemistry involved in monochloramine (NH2Cl) photolysis and its efficiency in degrading 1,4-dioxane using a low-pressure Hg lamp (λ = 254 nm). These results showed that the UV fluence-normalized rate of 1,4-dioxane degradation in UV/NH2Cl ranged between 1.1 × 10–4 and 2.9 × 10–4 cm2·mJ–1. The photolysis of NH2Cl produced NH2• and Cl•, which further transformed to a series of reactive radical species. An optimal NH2Cl dosage for 1,4-dioxane degradation was observed at a NH2Cl/1,4-dioxane concentration ratio of 8.0, while excess NH2Cl scavenged reactive radicals and decreased the treatment efficiency. Scavenging experiments and probe compound calcula...

107 citations


Authors

Showing all 10093 results

NameH-indexPapersCitations
David A. Weitz1781038114182
Menachem Elimelech15754795285
Josh Moss139101989255
Ron D. Hays13578182285
Matthew J. Budoff125144968115
Harinder Singh Bawa12079866120
Kamyar Kalantar-Zadeh118102556187
Dionysios D. Dionysiou11667548449
Kathryn Grimm11061847814
Richard B. Kaner10655766862
William Oh10086748760
Nosratola D. Vaziri9870834586
Jagat Narula9897847745
Qichun Zhang9454028367
Muhammad Shahbaz92100134170
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Performance
Metrics
No. of papers from the Institution in previous years
YearPapers
202324
202260
2021663
2020638
2019578
2018536